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From: Paduru Amar Reddy <reddyp@rnisd0.dnet.roche.com>
To: rnisd0: ;, tis.com@rnisd0.dnet.roche.com, 
    "@list.lis" <tis.com@rnisd0.dnet.roche.com>
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Apparently-To: snmpv2@tis.com, info-snmp@ames.arc.nasa.gov,
        hnms-users@maillist.cs.orst.edu, snmp@psi.com
Subject: Software distribution package on the net.


Hi 
	I know, someone on the net previously posted a similar question 
before, but I never read any reply on that.

i) Is there any software distribution package available on the net, 
preferably for PC based networks (Netware ). For unix is also fine.

ii) If not on public domain, private applications which are not too expensive 
is also helpful. 

iii) If any one on the net tried these before, I really appriciate your 
comments, notes and other experiences with them.

Thanks in advance.

You can send mail to me directly.
reddyp@rnisd0.dnet.roche.com


Amar Reddy
Ph: 201-235-3480 (W)
Fax: 201-235-3865.
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From: Ehab Al-Shaer <ehab@dworkin.wustl.edu>
Message-Id: <199411030757.BAA02417@dworkin.wustl.edu>
Subject: Basic question
To: Mailing List SNMP2 <snmp2@tis.com>
Date: Thu, 3 Nov 1994 01:57:21 -0600 (CST)
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Hi,

	I have the following basic question about the snmp operation:

In standard SNMP implementation, How does generally the agent update its MIB ?
I believe. to answer this question, there are three choices:

a- Updates (fetch) the value of the object only when manager requests it.
b- Agent goes over all MIB objects frequently in a round robin fashion and 
   update each one.
c- it up to the implementor to specify the fetch period of the agent.

Is that right? which is the right one?

Thank you and appreciate your help.

-ehab
PS. any reference (RFC, book, etc) is useful too.

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Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: Bill Norton <wbn@merit.edu>
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Subject: SNMPv2 sessions
To: snmp2@tis.com
Message-Id: <Pine.3.89.9411031447.A21657-0100000@merit.edu>
Mime-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII

Bob Stewart -

What are your thoughts on what to do during each of the SNMPv2 sessions 
scheduled throughout the week at the IETF?

Also, for those who wish to contribute implementation and operational 
experience with SNMPv2, were you thinking of an open forum, or rather a 
forum focused on particular problems and suggested changes, or ...

Thanks,

Bill

-------------------------------------------------------------------------
William B. Norton
Merit Network Inc.
e-mail: wbn@merit.edu			phone: (313) 936-2656
Bien cordialement
-------------------------------------------------------------------------

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From: Keith McCloghrie <kzm@cisco.com>
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Message-Id: <199411040830.AAA09407@jack.cisco.com>
Subject: New I-Ds
To: snmpv2@tis.com
Date: Fri, 4 Nov 94 0:29:59 PST
Cc: Keith McCloghrie <kzm@cisco.com>
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X-Mailer: ELM [version 2.3 PL11]

Hi,

As editor for the re-activating SNMPv2 WG, I've made what I believe are
only editorial changes to the set of 12 RFCs, and thereby created 12
Internet-Drafts.  I've also created 3 new documents so as to remove
(from this set of SNMPv2 framework documents) all dependencies on MIBs
defined using SNMPv1's SMI; these three new docuemnts are subsets of
MIB-II:

1. IP/ICMP (minus the ipRouteTable, for which an update of RFC 1354 is
   already in progress);
2. TCP; and
3. UDP.

So, I'm submitting 15 new I-Ds (whew!!).  No doubt it will take a few
days for them to get posted in the usual locations.

It doesn't seem appropriate to fill your emailboxes by sending the new
I-Ds in successive messages to the list.  However, in the expectation
that some of you will only want to download/print some of the documents
(and to save some trees :-), I include below the "Change Log" sections
from each of the 12 which replace the current RFCs.

Keith.
------------

snmpV2-intro.txt

-    recast RFC 1441 into an Internet-Draft,
-    fixed typos.

snmpV2-smi.txt

-    recast RFC 1442 into an Internet-Draft,
-    fixed typos
-    referred sub-typing restrictions to Section 9,
-    stated explicitly the restrictions on enumeration labels,
-    specified a restriction on the length of a BIT STRING as TBD bits,
-    included the restriction on sub-typing of TimeTicks in section
     7.1.8,
-    added a rule for the use of IMPLIED with oid-valued INDEX
     variables,
-    clarified the circumstances under which auxiliary variables do not
     have a MAX-ACCESS clause of "not-accessible",
-    clarified the description of conceptual row augmentations, and
     added examples,
-    explicitly specified the macros in which refined syntax can be
     used,
-    included OID definitions for mib-2 and transmission.

snmpV2-tc.txt

-    recast RFC 1443 into an Internet-Draft,
-    fixed typos,
-    added a summary of NVT ASCII to description of DisplayString,
-    clarified the description of InstancePointer,
-    fixed an error in the RowStatus state table, and another in its
     notes,
-    added a clarification on the use of DISPLAY-HINTS for particular
     types of syntax,

snmpV2-conf.txt

-    recast RFC 1444 into an Internet-Draft,
-    fixed typos,
-    modified the usage examples to refer to the SNMPv2 MIB.

snmpV2-admin.txt

-    recast RFC 1445 into an Internet-Draft,
-    added Overview section,
-    rewrote Elements of the Model section,
-    fixed typos in the Elements of Procedure section,
-    rewrote parts of the Application of the Model section, and retitled
     it as Usage Examples.
-    tighted the definition of a proxy SNMPv2 agent, in order to remove
     confusion, and thereby deleted discussion of foreign proxies.
-    changed "local party database" to "local party datastore", and
     introduced LPD as an acronym for it.

snmpV2-sec.txt

  -  recast RFC 1446 into an Internet-Draft,
  -  fixed typos,
  -  rewrote various paragraphs, sentences, phrases throughout the
     document to use less formal, but more easily understood, language,
     and to omit unnecessary/redundant text.
  -  rewrote text in various sections on the maintenance of party
     secrets to be consistent with the use of the desPrivProtocol being
     optional.
  -  removed text describing implementation-specific considerations.
  -  incorporated new text on the creation of parties, discussing
     "cloning" as defined in the Party MIB.

snmpV2-party.txt

-    recast RFC 1447 into an Internet-Draft,
-    fixed typos,
-    added snmpUDPDomain to the IMPORTS clause,
-    added descriptive text for the initial Context conventions,
-    added text to the DESCRIPTIONs of partyStatus, contextStatus,
     aclStatus, and viewStatus, specifying that columnar objects can be
     modified without having to set the status column to 'notInService',
-    added clarifying text to the DESCRIPTIONs of contextLocal,
     contextLocalEntity, contextProxySrcParty, contextProxyDstParty,
     contextProxyContext, and contextStatus,
-    removed auxiliary objects from the definition of partyMIBGroup.

snmpV2-proto.txt

-    recast RFC 1448 into an Internet-Draft,
-    fixed typos,
-    clarified that while there is a theoretical limit on the number of
     varbinds, the size of a message is in practice not limited by the
     number of varbinds,
-    clarified the definition of noSuchInstance,
-    added text to require snmpStatsSilentDrops to be incremented
     whenever a message is discarded without sending a Response.

snmpV2-tm.txt

-    recast RFC 1449 into an Internet-Draft,
-    fixed typos,
-    clarified the description of the use of rfc1157Domain as the
     transport domain of a proxy destination party.

snmpV2-mib.txt

-    recast RFC 1450 into an Internet-Draft,
-    fixed typos,
-    fixed syntax of snmpORIndex,
-    removed ObjectName from IMPORTS clause,
-    included the system group from MIB-II.
-    removed definitions of linkUp and linkDown notifications since they
     are defined in RFC 1573,
-    referenced definition of egpNeighborLoss notification (in RFC
     1213), in order to remove the last dependency on a MIB defined
     using SNMPv1's SMI,

snmpV2-m2m.txt

-    recast RFC 1451 into an Internet-Draft,
-    fixed typos,
-    added a description of how source and destination parties are
     chosen for sending notifications,
-    reworded descriptions of notifications so that a context is not
     depicted as the "destination" of a notification,
-    added note that management stations are not obligated to use a
     retrieved value of snmpAlarmNextIndex to create an entry in the
     snmpAlarmTable.

snmpV2-coex.txt

-    recast RFC 1452 into an Internet-Draft,
-    fixed typos
-    removed requirement to set the MAX-ACCESS of auxiliary objects to
     "not-accessible" when converting a SNMPv1 MIB, in order to be
     consistent with text in the SMI.
-    removed requirement to obsolete an object with a SYNTAX of
     enumerated INTEGER and a named-number enumeration of zero, in order
     to be consistent with text in the SMI.
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Date: Sun, 6 Nov 94 03:59 EST
Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: Enterprise Management Institute <0006489618@mcimail.com>
To: SNMP-WG <snmp-wg@ns.psi.net>, SNMP2 <snmp2@thumper.bellcore.com>, 
    Splinter <splinter@allink.com>, ST <st@ibminet.awdpa.ibm.com>, 
    Steve <steve@tivoli.com>
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Subject: Enterprise Management Summit
Message-Id: <83941106085938/MAILMAN000DC4EM@MCIMAIL.COM>

                      Enterprise Management Theater
                    --------------------------------

The Enterprise Management Summit '94 is around the corner!

Summit '94 will feature a live theater where leading vendors will
compete head-to-head to see who has the best enterprise
management solution. In this theater will be a live enterprise
computing environment. Networks will include SNA, DECNet,
NetWare, and TCP/IP. Systems will include MVS, VMS, DOS, OS/2 and
UNIX. Windows, NT, desktops, distributed applications and
databases will also be present along with enterprise management
platforms and applications.

During Summit '94, we will "break" this network by introducing a
series of hazards. These include (but are certainly not limited
to) traffic congestion alarm floods, broadcast storms,
applications that hang mysteriously, lost host connections,
locked terminals, and forgotten passwords. Each vendor in the
theater will have their chance to show how their enterprise
management platform and applications deal with these hazards.

The theater works like this:

1) Each vendor will have 90 minutes to present their solution. 

2) No demos will be allowed. Each vendor must respond to the
scenarios that have been given them by Summit '94. (see below)

3) The audience will evalute each presentation. Vendors will be
evaluated on how well their solution dealt with each hazard; how
easy or hard to implement the solution appears to be; how
technically advanced the solution is; and the completeness of the
solution.

The scenarios are grouped as follows: 

I    Asset Management - Auto Discovery; Inventory
II   Fault Management - Network Analysis; Multiple Alarms;
     Management of Disk Space; Data Base Management; Problems
with
     DECNet/SNA, NetWare; Trouble Tracking & Ticketing
III  Administration - Security, Productivity Tracking,
     Configuration Management, Software Distribution

Participating vendors in the theater are:
* Bull
* Computer Associates International
* Digital Equipment Corporation
* Hewlett-Packard
* IBM

Summit '94 will take place this November 14-18 at the Santa Clara
Convention Center. For more information, call 1-800-340-2111
(415-512-1325 outside the US). Email: emiinc@mcimail.com or
summit@ix.netcom.com

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To: snmp2@tis.com
Subject: What are current plans for SNMPv2 workgroup ?
Date: Mon, 07 Nov 94 10:00:12 EST
Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: "Aleksey Y. Romanov" <romanov@nacto.lkg.dec.com>


Hi,

It seems that group re-activation is postponed until the end of November
(if I understand  NM AD message properly).  It seems alsoo that there will
be no time left for any kind of fruitfull disuccison to be completed before
IETF meeting. Does it mean that plans (to discuss the thing on the mailing
list and to hammer out solutions at IETF) had been changed ? If yes,
what is the current plot ? If not, how we are going to achieve any 
progress before IETF ? 

Aleksey




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To: snmp2@tis.com, snmp@tis.com
Subject: UT-SNMP ANNOUNCEMENT
Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: f.p.h.vanHengstum@cs.utwente.nl
Organisation: 
		"Frederic P. H. van Hengstum"
		"Dept. of Computer Science"
		"P.O. Box 217, 7500 AE Enschede, The Netherlands"
		"phone  +31 53 894099, fax  +31 53 333815"
		"www  http://snmp.cs.utwente.nl/"
		""
Date: Mon, 07 Nov 94 18:55:41 +0100
X-Orig-Sender: hengstum@cs.utwente.nl
Content-Length: 1872

---------------------------------CUT-HERE------------------------------------
************************** UT-SNMP ANNOUNCEMENT *****************************


	INTRODUCTION
	============

		The UT-SNMP projectgroup at the University of Twente (The 
	Netherlands) is doing research on the entire Simple Network Management 
	Protocol version 2 (SNMPv2 and SNMPv1) framework, along the line(s) of
	the RFC1441 - RFC1452 specification.
		As a project spin-off we realize software primairily for unix 
	platforms formalized in the UT-SNMP package. This software is freely 
	available.


	SOFTWARE
	========

	description: 		 The MIB-tripper (browser) can browse through 
			an Management Information Base (MIB) contained in an 
			UT-SNMP application. 
				You can 'walk' up and down the MIB tree,
    			display variable values and - descriptions, and initiate
			interactive the update of an particular variable.
			The program supports just an ascii interface.
	package:	UT-TRIPPER-1_0.tar.Z
	programmers:	Erwin Bonsma & Ivo Nijhuis


	ADDRESSES
	=========

	postal:		The UT-SNMP projectgroup
			Tele-Informatics and Open Systems Group
			Department of Computer Science
			P.O. Box 217, 7500 AE  Enschede, The Netherlands
	voice:		+31 53 894099
	email:		snmp@cs.utwente.nl
	www:		http:/snmp.cs.uwtente.nl/
	ftp:		ftp.cs.utwente.nl:/pub/src/snmp/


************************** UT-SNMP ANNOUNCEMENT *****************************

	postal:		The UT-SNMP projectgroup
			Tele-Informatics and Open Systems Group
			Department of Computer Science
			P.O. Box 217, 7500 AE  Enschede, The Netherlands
	voice:		+31 53 894099
	email:		snmp@cs.utwente.nl
	www:		http:/snmp.cs.uwtente.nl/
	ftp:		ftp.cs.utwente.nl:/pub/src/snmp/


************************** UT-SNMP ANNOUNCEMENT *****************************

---------------------------------CUT-HERE------------------------------------

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-- 
/***************************************************************************/
	Manoj Wadekar 						e-mail address: mkw@wipinfo.soft.net
	Residential Address:				Tel:    +91-80-558-8422
	28, Sathyanarayana Layout,
	3rd stage, 4th Block,
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From: Dave Brower <daveb@ccnet.com>
Message-Id: <199411082013.MAA17337@ccnet.ccnet.com>
To: snmp2@tis.com
Subject: Re: Basic question - (maybe related)
Reply-To: daveb@ccnet.com

The discussion of the bridge mib made me wonder why there isn't an
optional SNMP group in the agent that shows the meta-data of the
objects supported by the agent.  This would let managers query the
agents for the mibs rather than relying on the file getting
transmitted in some out-of-band method.

This may not be particularly germane to the re-opened v2 discussion,
but meta-data might address a number of operational issues.  It would
allow smarter standards-based application-generators too.

cheers,
-dB



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From: Manjunath M Suryanarayana <manjunat@gemini.rutgers.edu>
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To: snmp2@tis.com
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Please unsubscribe me.
Thanx a lot.
Manjunath
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From: Dave Perkins <dperkins@synoptics.com>
To: snmp2@tis.com
Subject: Re: Basic question - (maybe related)

HI

Dave Brower asked the following...

> The discussion of the bridge mib made me wonder why there isn't an
> optional SNMP group in the agent that shows the meta-data of the
> objects supported by the agent.  This would let managers query the
> agents for the mibs rather than relying on the file getting
> transmitted in some out-of-band method.
> 

Yes, it would be trival to implement a table that identified
all the object-types that were supported by an agent. And with
the agents that I know the internals, this would not cost
any extra in data space to implement.

There are two reasons that I can think of that this has not been
implemented. The first is creeping featurisum - how many columns
do you want in the table. For example, should the table have just
an index (the oid of the object-type), and status. Or should it
also include a column that specifies if the access is identical
to that in MIB, and a column that specifies if the allowed values
are the same as specified in the MIB. Is there another table that
specifies whether tables allow row creation/deletion via SNMP?
Is there another table that specifies required columns that
must be specified in a SET for row creation? ETC.
The other reason is concerns for security. Does this table have
entries for all implemented object-types, or do you only get
back the entries in the table that you could retrieve with
community string/context that you used on the request?

I believe that these tables should be added as mandatory parts
of the SNMP group. But, this is really up to the SNMP agent
vendors. If they put this in - it will be there. If they refuse -
then it won't. Maybe one of them has already added this.

/dave perkins, bay networks, 408-764-1516

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Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: Dave Brower <daveb@ccnet.com>
Message-Id: <199411082332.PAA08107@ccnet.ccnet.com>
To: bstewart@cisco.com, snmp2@tis.com
In-Reply-To: <199411082234.OAA14752@feta.cisco.com> (bstewart@cisco.com)
Subject: Re: Basic question - (maybe related)
Reply-To: daveb@ccnet.com

   Date: Tue, 8 Nov 1994 14:34:02 -0800
   From: Bob Stewart <bstewart@cisco.com>
   Subject: Re: Basic question - (maybe related)
   
   >The discussion of the bridge mib made me wonder why there isn't an
   >optional SNMP group in the agent that shows the meta-data of the
   >objects supported by the agent.  This would let managers query the
   >agents for the mibs rather than relying on the file getting
   >transmitted in some out-of-band method.
   
   The major reason is the burden on the agent and the network to keep and
   transmit information that can be readily available out of band and processed
   once.  If we go too far into a discussion of how cheap it could be, Frank
   Kastenholz will tell you about the agent where he had to leave out all the
   vowels in the system's help text, and Bill Simpson will give you a lecture
   on the cost of bandwidth on slower-speed links.  In other words, this isn't
   a new suggestion.  On the other side of it, Karl Auerbach will speak up for
   how powerful some managed systems have become.
   
   Did I about cover that, guys?   :-)}
   
I'm sure that's the historic argument.  However, I'm coming from
having just written the RDBMS-MIB, and am about to start creating a
*pile* of application-related MIB stuff.  None of this is *ever* going
to live in a router, and the audiences for that sort of information
might take more value out of standard meta-data access.  This is why I
raise the possibility of an _optional_ group.

It's not all that clear that out-of-band transmission of MIBs scales
into the mondo-distributed application environment.  Us database folks
found it very desirable to have tables that described tables in our
RDBMSes.  Since SNMP is now starting to creep up the food-chain of
applicability, it might be desirable to consider things that enhance
it's utility for that audience.

cheers,
-dB



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From: "Michael L. Kornegay" <mlk@bir.com>
To: snmp2@tis.com
Subject: Any plans to discuss Steve's drafts???
Date: Tue, 8 Nov 94 20:27:59 EST
Reply-To: mlk%bir.UUCP@mathcs.emory.edu
Message-Id: <0D15DDF1.eb3ud5@bir.bir.com>
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Any plans to discuss Steve's drafts?:

  draft-waldbusser-conventions-00.txt
  draft-waldbusser-ssecimpl-00.txt
  draft-waldbusser-ssecov-00.txt

These discuss 'SNMPv2 Simplified Security Conventions'.

These were developed outside the working group but address a serious
problem with the administrative model.  Will these be considered to
become working documents of the working group?    

There was rumored interest by several organizations that were
going to try this.  Is anyone planning to discuss their implementation 
experience of these conventions?  

___________________
Michael L. Kornegay
Internet: mlk@bir.com   UUCP: bir!mlk   AppleLink: mlk@bir.com@INTERNET#
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From: "Michael L. Kornegay" <mlk@bir.com>
To: snmp2@tis.com
Subject: What are people planning to present/discuss? (was Re: SNMPv2 sessions
Date: Tue, 8 Nov 94 20:45:22 EST
Reply-To: mlk%bir.UUCP@mathcs.emory.edu
Message-Id: <0D15DDF1.eb4v19@bir.bir.com>
X-Mailer: uAccess - Macintosh Release: 1.6v2


In Regards to your letter <199411041657.IAA26076@feta.cisco.com>:


> Since I haven't heard much from people, I have little idea of exactly what
> we'll talk about.  I'm confident that the discussion will expand to fill the
> time alloted, but I'd prefer to be productive.

>     2.	Collection of list of who wants to speak to the group and their
> 	topic.  This list can be amended throughout the week.

Some of us will be unable to attend this IETF meeting...

It would be nice for this list of topics to be presented on the mailing
list *prior* to the meetings whenever possible so those of us who cannot
attend can participate at least on the mailing list.  


Please make a deliberate effort to assign someone to take *detailed* minutes.


I am also interested in additional planned meetings after the IETF in
December, is anything tenatively planned before the March recommendation
to the IESG?  

Thanks,

___________________
Michael L. Kornegay
Internet: mlk@bir.com   UUCP: bir!mlk   AppleLink: mlk@bir.com@INTERNET#
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From: "Michael L. Kornegay" <mlk@bir.com>
To: snmp2@tis.com
Subject: Any plans to discuss RFC 1503???
Date: Tue, 8 Nov 94 20:27:29 EST
Reply-To: mlk%bir.UUCP@mathcs.emory.edu
Message-Id: <0D15DDF1.eb3tg1@bir.bir.com>
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Any plans to discuss RFC 1503?:  

1503  I    K. McCloghrie, M. Rose, "Algorithms for Automating Administration  
           in SNMPv2 Managers", 08/26/1993. (Pages=19) (Format=.txt) 

Simplifying and consistently implementing the administrative model
are very important topics to the success of SNMPv2...

___________________
Michael L. Kornegay
Internet: mlk@bir.com   UUCP: bir!mlk   AppleLink: mlk@bir.com@INTERNET#
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Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: Seshu Adunuthula <SADUNUTH@us.oracle.com>
To: snmp2@tis.com
Subject: unsubscribe
X-Orcl-Application: In-Reply-To: OASUN1.US.ORACLE.COM:snmpv2-request@magellan.TIS.COM's message of 08-Nov-94 14:29


Please unsubscribe 
 
-sm- 
_____________________________________________________________________ 
Seshu  Adunuthula                         Tel:    (0) 415-506-6193 
Oracle Networking                                 (H) 510-494-9556 
659410 Redwood Shores                    
CA 94065                                          
 
 
 
 


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From: Enterprise Management Institute <0006489618@mcimail.com>
To: snmp1 <snmpv2@tis.com>
Subject: Enterprise Management
Message-Id: <71941109014117/0006489618PK1EM@MCIMAIL.COM>

                      Enterprise Management Theater
                    --------------------------------

The Enterprise Management Summit '94 is around the corner!

Summit '94 will feature a live theater where leading vendors will
compete head-to-head to see who has the best enterprise
management solution. In this theater will be a live enterprise
computing environment. Networks will include SNA, DECNet,
NetWare, and TCP/IP. Systems will include MVS, VMS, DOS, OS/2 and
UNIX. Windows, NT, desktops, distributed applications and
databases will also be present along with enterprise management
platforms and applications.

During Summit '94, we will "break" this network by introducing a
series of hazards. These include (but are certainly not limited
to) traffic congestion alarm floods, broadcast storms,
applications that hang mysteriously, lost host connections,
locked terminals, and forgotten passwords. Each vendor in the
theater will have their chance to show how their enterprise
management platform and applications deal with these hazards.

The theater works like this:

1) Each vendor will have 90 minutes to present their solution. 

2) No demos will be allowed. Each vendor must respond to the
scenarios that have been given them by Summit '94. (see below)

3) The audience will evalute each presentation. Vendors will be
evaluated on how well their solution dealt with each hazard; how
easy or hard to implement the solution appears to be; how
technically advanced the solution is; and the completeness of the
solution.

The scenarios are grouped as follows: 

I    Asset Management - Auto Discovery; Inventory
II   Fault Management - Network Analysis; Multiple Alarms;
     Management of Disk Space; Data Base Management; Problems
with
     DECNet/SNA, NetWare; Trouble Tracking & Ticketing
III  Administration - Security, Productivity Tracking,
     Configuration Management, Software Distribution

Participating vendors in the theater are:
* Bull
* Computer Associates International
* Digital Equipment Corporation
* Hewlett-Packard
* IBM

Summit '94 will take place this November 14-18 at the Santa Clara
Convention Center. For more information, call 1-800-340-2111
(415-512-1325 outside the US). Email: emiinc@mcimail.com or
summit@ix.netcom.com

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Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: meessen@cppm.in2p3.fr
To: snmpv2@tis.com
Subject: dynamic tables and variables in mib

Hello,

I wanted to submit an idea for potential addition to SNMPv2.
Sorry if this has been covered before.
This idea is compatible with actual snmpv1 and snmpv2 protocol but only
in an entreprise specific mib.

The probelem I'm facing is the need to allow the user to define through
snmp operations a new table. The user could define any number of variables
of any type for this new table.

The only difference with actual SNMP framework is that these tables can't
be define in the ASN1 mib description. SInce this description only allows
static variables and static tables (but with a dynamic number of rows).

The table holding the definition of those dynamic tables would be static and
given in the ASN1 mib description.

Each entry in this definition table would have the following variable:


xxTable OBJECT IDENTIFIER ::= { ... }
VariableTypes ::= INTEGER { octet(1), integer32(2), ...}


xxDefTable OBJECT-TYPE
   SYNTAX SEQUENCE OF xxDefEntry
   ACCESS not-accessible
   STATUS mandatory
   DESCRIPTION
	"A list of table and variable definitions."
   ::= { xxTable 1 }

xxDefEntry OBJECT-TYPE
   SYNTAX xxDefEntry
   ACCESS not-accessible
   STATUS mandatory
   DESCRIPTION
	"A variable description for a table."
   INDEX { xxTblIdx, xxVarIdx }
   ::= { xxDefTable 1 }

xxDefEntry ::= SEQUENCE {
   xxTblIdx      INTEGER (1..65535),
   xxVarIdx      INTEGER (0..65535),
   xxVarIsIndex  INTEGER (0..1),
   xxVarType     VariableTypes,
   xxVarName     DisplayString,
   xxVarDescr    DisplayString,
   xxVarStatus   VariableStatus
}

xxTblIdx  OBJECT-TYPE
   SYNTAX INTEGER (1..65535)
   ...
   DESCRIPTION
	"The table index number of this variable is part of."
   ::= { xxDefEntry 1 }

xxVarIdx   OBJECT-TYPE
   SYNTAX INTEGER (0..65535)
   ...
   DESCRIPTION
	"The variable index number of this table.
	 If the index is 0, the table will have a maximum of one row
	 and there can be only one variable in this table."
   ::= { xxDefEntry 2 }

xxVarIsIndex  OBJECT-TYPE
   SYNTAX INTEGER (0..1)
   ...
   DESCRIPTION
	"If set to 1, the variable is part of the index. The variables part
	 of the index are ordered by the xxVarIdx value.
	 If no variable is part of the index for a specific table, a default
	 integer number from 1 to n will be used as index.
	 If xxVarIdx equals zero, this value is ignored."
   ::= { xxDefEntry 3 }

xxVarType  OBJECT-TYPE
   SYNTAX VariableTypes
   ...
   DESCRIPTION
	"The value type stored in this variable."
   ::= { xxDefEntry 4 }

xxVarName  OBJECT-TYPE
   SYNTAX DisplayString
   ...
   DESCRIPTION
	"A label for this variable. Doesn't need to be unique."
   ::= { xxDefEntry 5 }

xxVarDescr  OBJECT-TYPE
   SYNTAX   DisplayString
   ...
   DESCRIPTION
	"A string describing the variable's semantic"
   ::= { xxDefEntry 6 }

xxVarStatus  OBJECT-TYPE
   SYNTAX VariableStatus
   ...
   DESCRIPTION
	"The row Status according to the SNMPv2 SMI."
   ::= { xxDefEntry 7 }


The data could be attached under the following branch

xxData OBJECT IDENTIFIER ::= { xxTable 2 }

example:

The following is the label name of a column or variable
xxVarName.1.1

The following is the value of the first row. In this case a simple integer
value is used as index.
xxData.1.1.1
       | | ^-- row index (simple integer if no index value is specified)
       | ^-- variable index
       ^-- table index

The following is a unique instance value.

xxData.2.0
       | ^-- variable index = instance specifier.
       ^-- table index = variable specifier.

The problem is for management plateform to be able to handle such dynamic
tables and variable types.
It could be part of SNMPv2 that is a significant release change in SNMP.
The extend in the mib possibility would be important.
There are still some points to clear to build a functionnal system.
For example the rowStatus field for tables editable by a users or the access
control policy.

This is just the basic idea description with a mib squeletton.
Hope it could be discussed in the next SNMPv2 meetings.
Since I can't be part of these meetings that take place on another continent,
I must keep confidence in the equitable idea analysis process.

Thanks.
--
Bien cordialement,

Ch. Meessen
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From: David Harrington <dbh@express.ctron.com>
Message-Id: <9411091733.AA13603@express.ctron.com>
Subject: Index descriptions
To: snmpv2@tis.com
Date: Wed, 9 Nov 94 12:33:10 EST
Cc: David Harrington <dbh@express.ctron.com>
X-Mailer: ELM [version 2.3 PL11]



	A proposal for changes to RFC 1447 Indexes:

p17	partyIndex
		SYNTAX	INTEGER (1..65535)
p30	contextIndex
		SYNTAX	INTEGER (1..65535)
p42	viewIndex
		SYNTAX	INTEGER (1..65535)
p31	contextViewIndex
		SYNTAX	INTEGER (0..65535)

=============================================================================

	The indexes are used for internal indexing only, and their values
	are meaningful only within the implementation of the SNMPV2-PARTY-MIB
	on a given SNMPv2 entity. The RFCs should indicate this restriction 
	in the description of these indexes.

          partyIndex OBJECT-TYPE
              SYNTAX      INTEGER (1..65535)
              MAX-ACCESS  read-only
              STATUS      current
              DESCRIPTION
                      "A unique value for each SNMPv2 party.  The value
                      for each SNMPv2 party must remain constant at
                      least from one re-initialization of the entity's
                      network management system to the next re-
*                     initialization. The value used is meaningful only within
*		      the implementation of the SNMPV2-PARTY-MIB on a given
*		      SNMPv2 entity, and is not guaranteed to be meaningful
*		      to any other snmpv2 entity except as a unique
*		      index for the partyEntry within the datastore
*		      in which the partyEntry exists. "
              ::= { partyEntry 2 }

*	[ and corresponding changes to the contextIndex and viewIndex ]

 	contextViewIndex OBJECT-TYPE
 	    SYNTAX      UInteger32 (0..65535)
	    MAX-ACCESS  read-create
	    STATUS      current
	    DESCRIPTION
	            "If the value of an instance of this object is zero, then
 	            this corresponding conceptual row in the contextTable refers
 	            to a SNMPv2 proxy context; the values of the corresponding
 	            instances of the contextProxyDstParty, contextProxySrcParty,
 	            and contextProxyContext objects provide further information
 	            on the proxied context and the parties used to access it.
 	
 	            Otherwise, if the value of an instance of this object is
 	            greater than zero, then this corresponding conceptual row in
 	            the contextTable refers to a SNMPv2 context which identifies
 	            a MIB view of a locally accessible entity; the value of the
 	            instance identifies the particular MIB view which has the
 	            same value of viewIndex; and the value of the corresponding
 	            instances of the contextLocalEntity and contextLocalTime
 	            objects provide further information on the local entity and
 	            its temporal domain. 
 
*		    If the value of an instance of this object is greater than 
*		    zero, then the value used is meaningful only within the
*                   implementation of the SNMPV2-PARTY-MIB on a given SNMPv2
*                   entity, and is not guaranteed to be meaningful to any 
*		    other snmpv2 entity except as a unique index for the MIB
*		    view within the datastore in which the MIB view exists."

	The Initial Parties on pp.10-15 are misleading in showing the values
	of the indexes, which should be strictly an implementation decision.
	The Initial Parties settings should show the Index values as 
	<unique party index #1>, <unique party index#2>, <unique context
	index #1>, <unique MIBViewIndex #1>, etc. to show that the
	value of the index is not guaranteed. To make the examples more 
	readable, a footnote might suffice.

	-- partyIdentity            = { initialPartyId a b c d 1 }
*	-- partyIndex               = <unique party index #1>
	...

	-- contextIdentity          = { initialContextId a b c d 1 }
*	-- contextIndex             = <unique context index #1>
	...

*	-- aclTarget                =   <unique party index #1>
*	-- aclSubject               =   <unique party index #2>
*	-- aclResources             =   <unique context index #1>
	-- aclPrivileges            =  35 (Get, Get-Next & Get-Bulk)
	...


	This change would make things a bit clearer.
	Any comments?
-- 
-------------------------------------------------
#include <std.disclaimer>
David Harrington  dbh@ctron.com
Cabletron Systems Inc. Spectrum Modeling Group
-------------------------------------------------

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To: snmp2@tis.com
Subject: Re: Any plans to discuss Steve's drafts??? 
X-Mailer: MH 6.3 #5[UCI] (0) of Thu Nov 13 18:46:25 PST 1986
Organization: Hewlett Packard, Network and Systems Management Division
In-Reply-To: Your message of Wed, 09 Nov 1994 12:05:38 -0700.
Date: Wed, 09 Nov 1994 12:18:31 -0700
Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: Darren Smith <dds@stimpy.cnd.hp.com>


I wrote:

|How about:
|
|     3. The security stuff is so complex that identifying a concrete set
|	of problems or making proposals that meet the criteria put forth
|	for discussion (specific, implementable, proven) is almost impossible.

I should clarify that I did not mean that Steve's stuff falls completely
in the above.  It is more a matter that understanding the security stuff
and understanding Steve's stuff and then trying to express potential
problems leaves the recently initiated somewhat daunted.

--
Darren Smith 	dds@cnd.hp.com 	229-2536    Network and System Mngmt. Div.
--
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To: snmp2@tis.com, dds@stimpy.cnd.hp.com
Mmdf-Warning:  Unable to confirm address in preceding line at magellan.TIS.COM
Subject: Re: Any plans to discuss Steve's drafts??? 
X-Mailer: MH 6.3 #5[UCI] (0) of Thu Nov 13 18:46:25 PST 1986
Organization: Hewlett Packard, Network and Systems Management Division
In-Reply-To: Your message of Wed, 09 Nov 1994 06:26:26 -0800.
Date: Wed, 09 Nov 1994 12:05:38 -0700
Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: Darren Smith <dds@stimpy.cnd.hp.com>
Mmdf-Warning:  Unable to confirm address in preceding line at magellan.TIS.COM

|I'm surprised there hasn't been more action on these.  Implementation
|reports would definitely be appreciated.  Does the lack of action imply
|that:
|
|    1.	Nobody really cares about security anyway?
|
|    2.	SNMPv2 security is fine the way it is?

How about:

     3. The security stuff is so complex that identifying a concrete set
	of problems or making proposals that meet the criteria put forth
	for discussion (specific, implementable, proven) is almost impossible.

--
Darren Smith 	dds@cnd.hp.com 	229-2536    Network and System Mngmt. Div.
--
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Message-Id: <9411092059.AA18429@express.ctron.com>
Subject: Party MIB Index sizes
To: snmpv2@tis.com
Date: Wed, 9 Nov 94 15:59:14 EST
X-Mailer: ELM [version 2.3 PL11]



	In RFC 1447, is there a reason why the partyIndex, contextIndex, 
	and viewIndex are limited to the range (1..65535)?

	Given the explosive growth of networks and the potential for growth
	of indexed rows in the Party MIB of an Enterprise NMS, wouldn't it 
	be wise to remove this potential limit by making these indexes 
	UInteger32? The additional space required for storage in agents or
	smaller NMSs with a limited number of parties and contexts would be 
	minimal.


-- 
-------------------------------------------------
#include <std.disclaimer> 
David Harrington  dbh@ctron.com 
Cabletron Systems Inc. Spectrum Modeling Group
-------------------------------------------------
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Date: Wed, 9 Nov 1994 13:00:11 -0800
Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: Bob Stewart <bstewart@cisco.com>
Message-Id: <199411092100.NAA02187@feta.cisco.com>
To: snmp2@tis.com
In-Reply-To: <9411091905.AA04415@stimpy.cnd.hp.com> (message from Darren Smith on Wed, 09 Nov 1994 12:05:38 -0700)
Subject: Re: Any plans to discuss Steve's drafts???

>How about:
>
>     3. The security stuff is so complex that identifying a concrete set
>	of problems or making proposals that meet the criteria put forth
>	for discussion (specific, implementable, proven) is almost impossible.

That probably sums it up overall.  My perception is that the administrative
model and security, and the wrapper change that came with them, have been
the major reason that the other parts of SNMPv2 have been held back.

Steve's work may provide the answer, or part of it.  Karl just suggested
that if Steve's proposal is the answer, why keep the complex googob inside?
I'd really like to see us get this all sorted out so we can have GetBulk and
BitStrings and AGENT-CAPABILITIES out there.

	Bob
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From: Randy Presuhn <peernet!dorothy!randy@uunet.uu.net>
Message-Id: <9411092137.AA09204@peer.com>
To: snmpv2@tis.com
Subject: Re:  Party MIB Index sizes

Hi -

David Harrington writes:

>       In snmpv2, is there a reason why the partyIndex, contextIndex, and
>       viewIndex are limited to the range (1..65535)?
>                                                          ... wouldn't it
>       be wise to remove this potential limit by making these indexes
>       UInteger32? ...

Agreed.  The current limit seems to provide no functionality.

 ----------------------------------------------------------------------
  Randy Presuhn                        PEER Networks, Inc.             
  Voice: +1 408-727-4111               3375 Scott Boulevard, Suite 100 
  Fax:   +1 408-727-4410               Santa Clara, California 95054   
  Email: randy@peer.com                USA                             
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From: Louis Todd Heberlein <heberlei@cs.ucdavis.edu>
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To: snmp2@tis.com
Subject: Re: Any plans to discuss Steve's drafts???

Big disclaimer: I have yet to read Steve's drafts (but I am
intrigued... after our ARPA program review).  So this is a
general statement (or opinion) about security and SNMP.

>     2.	SNMPv2 security is fine the way it is?

I am of the opinion that reliable security is on par with reliable
traps: you can't do it because you are building on an unreliable
base.

Example: if we touted a trap as being "reliable", then we risk
future management developers assuming that when a critical event
occurs, their manager WILL be notified.  That is, the manager can
rely on the fact that they will get the information.  This may
in turn lead to a more passive management design - wait until you
are notified.  However, if there is a problem in the network somewhere
between the agent and the manager, or the agent or its host system
is having problems.  A critical event may never get to the manager -
no matter how much energy we put in to making a trap "reliable."

Example2: If we tout an agent's security as being "reliable", then
we risk future management developers completely trusting the
information.  For example, we  designed and built a little MIB
to report various checksums (e.g., MD5, CRCxx) on critical files
(actually, we folded in TRIPWIRE, if you are familiar with that code).
The idea is that if an intruder comes in and trojans our system, we
will detect it.  However, this cannot be a long-term, widely distributed
solution because we cannot guarantee that the intruder will not trojan
the SNMP agent.  By the way, encryption doesn't help - but that is
another story.

So, in summary, if we as a community are going to pursue the security
of the SNMP model, we must recognize the fundamental limitation that
our agents will be running and dependent on unsecure operating systems.
Although this will not be true in all cases, we must be careful in what
we advertise.  "Reliable" and "Secure" are strong words, and we should
be careful not to give future developers a false impression of the
capabilities of the SNMP model.

Whew.... now to go out and read those documents.

Todd

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Subject: Party MIB Index sizes
To: snmpv2@tis.com
Date: Wed, 9 Nov 94 12:21:01 EST
X-Mailer: ELM [version 2.3 PL11]



        In snmpv2, is there a reason why the partyIndex, contextIndex, and
        viewIndex are limited to the range (1..65535)?

        Given the explosive growth of networks and the potential for growth
        of indexed rows in the Party MIB of an Enterprise NMS, wouldn't it
        be wise to remove this potential limit by making these indexes
        UInteger32? The additional space required for storage in agents or
        smaller NMSs with a limited number of parties and contexts would be
        minimal.


-- 
-------------------------------------------------
#include <std.disclaimer>
David Harrington  dbh@ctron.com
Cabletron Systems Inc. Spectrum Modeling Group
-------------------------------------------------

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From: "glenn (g.) waters" <gwaters@bnr.ca>
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Subject:  Re: Any plans to discuss Steve's drafts??? 
Reply-To: " (Glenn Waters)" <gwaters@bnr.ca>
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In article <199411091426.GAA16740@feta.cisco.com>,  <bstewart@cisco.com> wrote:
> I'm surprised there hasn't been more action on these.  Implementation
> reports would definitely be appreciated.  Does the lack of action imply
> that:
> 
>     1.	Nobody really cares about security anyway?

Absolutely do care.

> 
>     2.	SNMPv2 security is fine the way it is?

Absolutely not.
Pretty much for all the reasons stated in Steve's drafts.

> 
> I can't believe either of those is entirely true.
> 
> 	Bob

I would like to see Steve's work incorporated into the standard and the
current security requirements severely discouraged (or even removed, to
whatever extent is possible). Steve's work makes the use and administration
of SNMPv2 security plausible.
--
Glenn Waters (gwaters@bnr.ca), Network Management Systems
Bell-Northern Research, Ltd.,  Ottawa, Canada
Don't anthropomorphize computers. They don't like it.
#include <standard_disclaimer.h> 
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Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: Randy Presuhn <peernet!dorothy!randy@uunet.uu.net>
Message-Id: <9411100105.AA10642@peer.com>
To: snmpv2@tis.com
Subject: Re: Basic question - (maybe related)

Hi -

Reuben Sivan writes:

> One alternative way of achieving this goal might be (hold the fire)
> through a change to the SMI - i.e., I would add a new command (in addition
> to get, get-next, etc...), say, get-capability. This command can be
> applied to any object supported by the agent, and the agent would return
> the capabilities and limitations for that object. 
> 
> This is similar to the agent-capabilities TC, except that the data would
> be available at run-time.

This is an interesting capability, but whether it is supported through
a new mib or through a new operation type, it is worth learning from
work on ISO 10164-16, the Management Knowledge Management Function:

	0)  Both AGENT-CAPABILTIES and OBJECT-TYPE kinds of information
	    are of value to managers.

	1)  The information in ASN.1 modules and MIB definitions may
	    not fit within PDU size limitations, especially DESCRIPTION
	    text which is several pages long in some cases.

	2)  Which elements of definition merit distinct variables needs
	    to be carefully considered.  One extreme is to put an ASN.1
	    module's text into a variable.  The other is to put each
	    identifiable component of each OBJECT-TYPE into a variable.

	3)  The distinction between what a system could support and which
	    classes are currently available (think of all those hot-swap
	    interface cards that aren't plugged in yet) is important.

	4)  References to data types, especially IMPORTed ones, requires
	    careful handling to be useful.  (How does one resolve the
	    underlying data type of a textual convention IMPORTed into
	    a module if the module from which the definition came is not
	    available?)

	5)  Where different instances of the same class reflect
	    different underlying resources and instrumentation (e.g.,
	    rows in the tables in the RDBMS MIB), what is supported may
	    vary with finer granularity that the AGENT-CAPABILITIES
	    macro seems to allow.

Don't get me wrong - I think this merits further consideration, but it
might be awkward to support within the constraints of the protocols and
information models available.

 ----------------------------------------------------------------------
  Randy Presuhn                        PEER Networks, Inc.             
  Voice: +1 408-727-4111               3375 Scott Boulevard, Suite 100 
  Fax:   +1 408-727-4410               Santa Clara, California 95054   
  Email: randy@peer.com                USA                             
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From: "Michael L. Kornegay" <mlk@bir.com>
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Subject: Re: SNMPv1.5 (tm)
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In Regards to your letter <ECS9411091319B@acec.com>:

> Here's my short list:
> 
> 	1.  Normalize trap pdus with all others (format).
> 	2.  Add GetBulk.
> 	3.  Support most (if not all) v2 SMI TCs and types.
> 	4.  Support most (if not all) v2 error codes.
> 	5.  Others...esp. maybe some smart light-weight security idea.

I doubt such a proposal would be considered.  

If such a proposal was to be considered, i think it could be simplified
by just saying *avoid the administrative model*, and do everything else.  

I suggested such a thing way back under a subject of 'how to get SNMPv2
out there'.  


I bet the general concensus in the group will be that most of SNMPv2 is
pretty decent (with some fixes or clarifications).  

If the PDUs were wrapped in RFC1157Message or a similar wrapper, it
would be easy for many to take advantage of the good stuff in v2
without dealing with the *controversial* administrative model.


___________________
Michael L. Kornegay
Internet: mlk@bir.com   UUCP: bir!mlk   AppleLink: mlk@bir.com@INTERNET#
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From: Thomas Leitner <tom@finwds01.tu-graz.ac.at>
Subject: unsubscribe
To: snmp2@tis.com
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Please unsubscribe me!

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Tom Leitner, Dept. of Communications, Graz University of Technology/Austria
Internet: tom@finwds01.tu-graz.ac.at,                  FidoNet:  2:316/7.91
          WWW home page: http://finwds01.tu-graz.ac.at/people/tom.html
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To: snmp2@tis.com
Subject: noSuchXXXXXX
Date: Thu, 10 Nov 94 10:18:17 EST
Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: "Aleksey Y. Romanov" <romanov@nacto.lkg.dec.com>


Hi,


I have a strong feeling (based on my implementation experience)
that to go back to noSuchName (as type) from noSuchObject/noSuchInstance
is a good thing.

Pro:
      1. It allows to build clean protocol engines, where name access
         rights calculation is separated from the MIB processing.

      2. It allows to perform only one access rights calculation
         per variable instead of two.
  
      3. It is not implemented properly anyway. It was small off-list
         discussion of this subject this summer. It happen that at
         the time only SNMP Research, Inc. did it right.

Con:

      1. It will not allow NMS to distinguish between 
         empty and not-implemented/not-accessible read-only
         tables.


         I does not seem like an important feature, because 
         the primary tool for variable discovery are 
         Get-Next/Get-Bulk and AGENT CAPABILITIES macro.


Aleksey



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To: snmp2@tis.com
Subject: Re: Any plans to discuss Steve's drafts??? 
X-Mailer: MH 6.3 #5[UCI] (0) of Thu Nov 13 18:46:25 PST 1986
Organization: Hewlett Packard, Network and Systems Management Division
In-Reply-To: Your message of Wed, 09 Nov 1994 13:00:11 -0800.
Date: Thu, 10 Nov 1994 09:18:23 -0700
Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: Darren Smith <dds@stimpy.cnd.hp.com>


Bob Steware wrote:

|That probably sums it up overall.  My perception is that the administrative
|model and security, and the wrapper change that came with them, have been
|the major reason that the other parts of SNMPv2 have been held back.

I agree with this.  We would probably have SNMPv2 widely deployed if it was
only all the other misc. changes combined.  This does not mean that the
administrative model and security are bad per se, but it is an important 
point to realize:  we are paying a price in delayed deployment and
real-world implementation experience because of it.

|Steve's work may provide the answer, or part of it.  Karl just suggested
|that if Steve's proposal is the answer, why keep the complex googob inside?
|I'd really like to see us get this all sorted out so we can have GetBulk and
|BitStrings and AGENT-CAPABILITIES out there.

Amen to that.  Also, just to be clear:  I think Steve's work was great given
the underlying v2 model he had to dela with.  I applaud him heartily for
taking steps to address it while others (like me) just whined.  However, 
the model, while presenting a simplified set of concepts at a higher level,
is still complex to understand the workings of if you are not intimately
familiar with the SNMPv2 details, and thus hard for outsiders to judge
or give good detailed feedback about.

I should note that there are others in HP that are capable of that level
of feedback and they have been working with Steve.  I'm more of a consumer
of that work as an application writer.

--
Darren Smith 	dds@cnd.hp.com 	229-2536    Network and System Mngmt. Div.
--
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From: Connie Ahrens <cha@unirsvl.rsvl.unisys.com>
Message-Id: <9411101725.AA22319@unirsvl.rsvl.unisys.com>
Subject: snmpv1 header with SMIv2 MIB
To: snmp@psi.com
Date: Thu, 10 Nov 94 11:25:10 CST
Cc: snmpv2@tis.com
X-Mailer: ELM [version 2.3 PL8]





Does any SNMP management station request MIBs with SMIv2 format
with a SNMP v1 header on the message??  Do they only  request
MIBs with SMIv1 format with a SNMPv1 header?

Can a SNMPv2 header message request MIBs with a SMIv1 format??

Thanks for any information.

Connie Ahrens

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To: snmpv2@tis.com
Cc: ihanson@pcsbst.pcs.dec.com
Subject: Re: SNMPv1.5 (tm) 
In-Reply-To: Your message of "Thu, 10 Nov 94 00:00:06 EST."
             <9411100500.AA20887@buoy.watson.ibm.com> 
Date: Thu, 10 Nov 94 18:57:59 +0100
Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: "Iain K. Hanson" <ihanson@pcs.dec.com>
X-Mts: smtp


uri@watson.ibm.com wrote :

>Well, yes. For apparently, the wide market doesn't yet feel the need
>of V2 kind of security.

Personally, I don't believe this to be the case. Although security can be a
complex subject, just like networking, users want products that are simple
to use. For this to happen, developers need to be able to put most of 
their energy in to thinking about how their product are going to be used and
not in to understanding SNMPv2 - which I don't believe to be the case at the
moment.

When I first started to learn SNMPv2, I was already familar with SNMPv1 and
with CMISE. I found it very hard going just working from the RFCs. I found it
very difficult to make sense of the Administrative model in particular and
how all the peices fitted together. I could only make sense of it once I read
rfc1448 - the protocol!

I hav'nt had a chance yet to read the new drafts yet to see how much they have
improved things ( my printers are broke :-( ) but hope to do so shortly.

Now that I understand the admin model I like it, but I would be interested in 
to know whether people think the model is to complex or whether we need to
find a better way to document and explain it?

/ikh 
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To: snmp2@tis.com
Subject: Re: noSuchXXXXXX 
X-Mailer: MH 6.3 #5[UCI] (0) of Thu Nov 13 18:46:25 PST 1986
Organization: Hewlett-Packard, Network & System Management Division
In-Reply-To: Your message of Thu, 10 Nov 94 10:18:17 -0500.
             <9411101518.AA10349@alex.nacto.lkg.dec.com> 
Date: Thu, 10 Nov 94 11:34:21 -0700
Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: bok@nsmdserv.cnd.hp.com


Aleksey,

Your agent implementation experience is valid.

From the manager application side, however, I find 
VarBind Exceptions (as opposed to error_status/error_index)
to be a very good thing.

I am not debating the value of having two distinct 
(i.e., noSuchObject and noSuchInstance) versus one
varbind exception.  I do, though, want to see the 
notion of varbind exceptions remain in SNMPv2.

bok

> 
> Hi,
> 
> 
> I have a strong feeling (based on my implementation experience)
> that to go back to noSuchName (as type) from noSuchObject/noSuchInstance
> is a good thing.
> 
> Pro:
>       1. It allows to build clean protocol engines, where name access
>          rights calculation is separated from the MIB processing.
> 
>       2. It allows to perform only one access rights calculation
>          per variable instead of two.
>   
>       3. It is not implemented properly anyway. It was small off-list
>          discussion of this subject this summer. It happen that at
>          the time only SNMP Research, Inc. did it right.
> 
> Con:
> 
>       1. It will not allow NMS to distinguish between 
>          empty and not-implemented/not-accessible read-only
>          tables.
> 
> 
>          I does not seem like an important feature, because 
>          the primary tool for variable discovery are 
>          Get-Next/Get-Bulk and AGENT CAPABILITIES macro.
> 
> 
> Aleksey
> 
> 
> 
> 

-----------------------------------------------------------------------------
Brian O'Keefe 					
Network & System Management Division                           bok@cnd.hp.com
Hewlett-Packard Company, Inc.                                  (303) 229-4303
-----------------------------------------------------------------------------

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Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: "Bert Wijnen (+31-2975-53316)" <wijnen@vnet.ibm.com>
To: snmp2@tis.com
Subject: noSuchXXXXXX

Ref:  Your note of Thu, 10 Nov 94 10:18:17 EST

> Subject: noSuchXXXXXX
> Aleksey writes:
> I have a strong feeling (based on my implementation experience)
> that to go back to noSuchName (as type) from noSuchObject/noSuchInstance
> is a good thing.
>
> Pro:
>       1. It allows to build clean protocol engines, where name access
>          rights calculation is separated from the MIB processing.
>
>       2. It allows to perform only one access rights calculation
>          per variable instead of two.
>
>       3. It is not implemented properly anyway. It was small off-list
>          discussion of this subject this summer. It happen that at
>          the time only SNMP Research, Inc. did it right.
>
We had no problem implementing the noSuchObject and noSuchInstance
(I think) and we did it right (I think). It is a bit more code,
but then it gives extra info.

> Con:
>
>       1. It will not allow NMS to distinguish between
>          empty and not-implemented/not-accessible read-only
>          tables.
>
>
>          I does not seem like an important feature, because
>          the primary tool for variable discovery are
>          Get-Next/Get-Bulk and AGENT CAPABILITIES macro.
>
In my view the more important feature that we see in SNMPv2 is that
if we get a noSuchXXXXXX in a varBindList, then we donot return an
error in error_status, but instead return the noSuchXXXXXX in the
offending varBind with an implied NULL value. If we were to return
to just noSuchName (I'd rather keep the otehr noSuchXXXXXX types),
then at least let us define a noSuchSomething type that goes in
the offending varBind.

Bert
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Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: Randy Presuhn <peernet!dorothy!randy@uunet.uu.net>
Message-Id: <9411102318.AA14411@peer.com>
To: snmp2@tis.com
Subject: Re:  noSuchXXXXXX

Hi -

> From: "Aleksey Y. Romanov" <uunet!nacto.lkg.dec.com!romanov>
...
> I have a strong feeling (based on my implementation experience)
> that to go back to noSuchName (as type) from noSuchObject/noSuchInstance
> is a good thing.

Agreed.  Having per-variable error information is nice, but the
value of the noSuchObject/noSuchInstance distinction seems to
outweighed by the implementation complexity.

> Pro:
>       1. It allows to build clean protocol engines, where name access
>          rights calculation is separated from the MIB processing.

Yes!  Anything to make the administrative model for access control clearer!

>       2. It allows to perform only one access rights calculation
>          per variable instead of two.

Yes.  (Although it's not that much of a savings in some implementations.)

 ----------------------------------------------------------------------
  Randy Presuhn                        PEER Networks, Inc.             
  Voice: +1 408-727-4111               3375 Scott Boulevard, Suite 100 
  Fax:   +1 408-727-4410               Santa Clara, California 95054   
  Email: randy@peer.com                USA                             
 ----------------------------------------------------------------------
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From: "Michael L. Kornegay" <mlk@bir.com>
To: snmp2@tis.com
Subject: Re: SNMPv1.5 (tm)
Date: Thu, 10 Nov 94 19:19:35 EST
Reply-To: mlk%bir.UUCP@mathcs.emory.edu
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In Regards to your letter <9411102105.AA23017@buoy.watson.ibm.com>:

> Well, you see, the way it's done now - it's end-to-end security. There
> is IPSP coming, which [hopefully] will provide host-to-host security
> (i.e. authentication and privacy). But is it good enough? If yes,
> then the whole V2 Admin just goes down the tubes... But if one
> still wants to authenticate the Entity on the remote end,
> then I'm afraid IPSP won't be enough (and where else
> can security be put? Below - obviously not the
> place, and above is UDP/SNMP...)

You forgot that IP is not the only transport protocol for SNMP.
SNMP has to have authentication and privacy options for situations
where the underlying transport does not provide those mechanisms.
It is not just an end-to-end vs hop-to-hop issue.  


I dont know how much the proposed SNMP security architecture will
be allowed to change by the working group.  It is hard to say with-
out having heard the comments from implementors *and* deployers.
Remember in all this that network managers, humans, may be requried
to configure this stuff.  

The other question is did we get it right in the Admin Model in
the first place.  In Houston IETF I attended some meetings of the
Security Area and remember there being, though I do not remember
the content, a negative comment about the SNMP security model.
Kind of funny since they were *supposedly* what held up the origional
Secure SNMP RFCs for so long.  

If any of the new security architectures are superior, we should
consider them before we end up specifing and inferior framework.

For example is DES enough, I keep hearing about double and tripple
DES.  And so on...

Thanks,

___________________
Michael L. Kornegay
Internet: mlk@bir.com   UUCP: bir!mlk   AppleLink: mlk@bir.com@INTERNET#
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From: "H. Nikolaus Schaller" <hns@ldv.e-technik.tu-muenchen.de>
Mmdf-Warning:  Unable to confirm address in preceding line at magellan.TIS.COM
Subject: Re: SNMPv1.5 (tm)
To: snmp2@tis.com
Date: Fri, 11 Nov 94 11:39:35 MEZ
In-Reply-To: <9411110007.AA23686@buoy.watson.ibm.com>; from "uri@watson.ibm.com" at Nov 10, 94 7:07 pm
Organization: Lehrstuhl fuer Datenverarbeitung, Technische Universitaet Muenchen
Address: Arcisstr. 21, D-80290 Muenchen, F.R.G.
Phone: +49-89-2105-3606
Mailer: Elm [revision: 70.85]

uri@watson.ibm.com says:

> 
> First - I'm not sure it *deals* with SNMP over IP. Is host-to-host
> good enough to feel secure? Second - I'm sure IPX has it's own
> authentication/privacy (I know very little about IPX, or
> AppleTalk - but I'm sure somebody here could shed some
> light on this issue)... I believe very soon ALL the
> underlying protocols will be secure - but they
> can't guarantee security for upper layers,
> i.e. if I happen to be on the same host
> the NMS is, and I can screw around
> with UDP traffic, you'll have no
> way to distinguish between
> "clean" secured IP packets sent
> by your NMS from those I forged using
> the advantage of being on the same host...
> 
> Is this a threat?
> --
> Regards,
> Uri         uri@watson.ibm.com      N2RIU
> -----------
> <Disclamer>
> 

I think, there are different threats to consider.

One is the security of the network connecting the hosts, which
may rely on services out of your control (leased lines, etc.) and
therefore without control over eavesdroppers.

The other is secure access to processes on the *same* host. If there
is a security hole in the local operating system, 
secure-SNMP won't help anything. It may even be possible to modify system
parameters directly without using any agents and management system at all.

So we need generally secure communication *and* secure processes on the host.

If you consider attacks on the network as the major security problem
(as e.g. with SNMPv1), secure-IP (and other lower layer protocols) are
sufficient.
Until such secure transport protocols exist, relying on security in Layer 7
is a great help when using networks.

H. Nikolaus Schaller

__________________________________________________________________
Dr. H. Nikolaus Schaller                   D-80290 Muenchen, F.R.G
Lehrstuhl fuer Datenverarbeitung  hns@ldv.e-technik.tu-muenchen.de
Technische Universitaet Muenchen             Tel: +49-89-2105-3606
Arcisstr. 21                      DL2MHJ     Fax: +49-89-2105-3600
__________________________________________________________________
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To: snmp2@tis.com
Subject: varbind exceptions:
Date: Fri, 11 Nov 94 06:33:21 EST
Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: David Ward <dward@hns.com>

We are implementing an SNMPv2 proxy agent, and I have some questions
on the use of varbind exceptions. Stallings' book has the following
PDU format for varbinds:

-- variable binding
VarBind ::= SEQUENCE {name ObjectName,
                      CHOICE {value              ObjectSyntax,
                              unspecified        NULL,
                              noSuchObject [0]   IMPLICIT NULL,
                              noSuchInstance [1] IMPLICIT NULL,
                              endoOfMibView [2]  IMPLICIT NULL }}

I have two questions:

1. How can you tell a value of 0, 1 or 2 from the exception values
   of 0, 1, and 2 specified for noSuchObject, noSuchInstance and
   endoOfMibView? Is this implemented as some type of union?

2. Can the exception values be extended on an application basis?
   For example, if the proxy agent can't communicate to our proprietary
   equipment, it doesn't make sense to return noSuchInstance. We'd
   like to return something like noResponse.

On a separate note, are there any books that deal in detail with
SNMPv2 issues. All of the books I've looked at treat SNMPv2 as
an afterthought to SNMPv1. Since we are not going to deal with
v1, we'd like to read about a book that deals with v2.

Thanks in advance,

David Ward
(301) 212-1022 (phone)
(301) 212-2089 (fax)
dward@hns.com (email)
Hughes Network Systems
Germantown, Md
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Date: Thu, 10 Nov 1994 16:38:24 -0600
To: snmp2@tis.com
Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: Paul Meyer <Paul.Meyer@stpaul.ncr.com>
Subject: Re: SNMPv1.5 (tm)
X-Mailer: <Windows Eudora Version 1.4.2b16>

This area has been coming up a lot recently.  Secure FTP, secure SNMP,
secure e-mail, yayayayaya.....

The simplest solution would be to add security and authentication options to
the transport laters (UDP, TCP, whateverP), and use the groundrules we've
been putting into secure SNMP as aids in developing understandable means of
handling the various levels of security, key transfers (and initialization),
and the other hoary issues.  Otherwise each new protocol on the block
(secure gopher??) will be doing the exact same work.

So, I really really like the simplified SNMPv2 idea, particularily since I
really want getbulk and agentcaps.

For Ran and the other security gurus, let's also really push to move
authentication/encryption work down to transport AND GET IT TO HAPPEN!


Paul Meyer                                          NCR NPD St. Paul
Internet: Paul.Meyer@StPaul.NCR.COM                 M/S S045
                                                    2700 N Snelling
                                                    St Paul  MN  55113
                                                    (612) 638-2754

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To: snmp2@tis.com
Subject: Re: SNMPv1.5 (tm) 
Date: Fri, 11 Nov 94 10:06:34 -0500
Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: David Waitzman <djw@bbn.com>


Paul Meyer wrote:
> The simplest solution would be to add security and authentication options to
> the transport laters (UDP, TCP, whateverP), and use the groundrules we've
> been putting into secure SNMP as aids in developing understandable means of
> handling the various levels of security, key transfers (and initialization),
> and the other hoary issues.  Otherwise each new protocol on the block
> (secure gopher??) will be doing the exact same work.

> For Ran and the other security gurus, let's also really push to move
> authentication/encryption work down to transport AND GET IT TO HAPPEN!

My take on this question is one of subsystem vulnerability analysis.
This is one of the principles of SNMP-- it must work when most
subsystems are busted.  Will transport layer security mechanisms be
robust enough to deal with broken networks?  For instance, transport
security might want to depend upon closely synchronized clocks.  SNMPv2
security has lots of complexity to allow resyncing clocks.  Now, I'm
not sure that this SNMPv2 feature has been stress tested in broken
networks to see how fast it can resync the clocks and get back to doing
real management but SNMPv2 at least has the goal of working in this
case.

-david
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From: "Jeffrey T. Johnson" <jjohnson@cisco.com>
Message-Id: <199411111752.JAA14872@feta.cisco.com>
Subject: Re: SNMPv1.5 (tm)
To: snmp2@tis.com
Date: Fri, 11 Nov 94 9:52:27 PST
In-Reply-To: <9411102226.AA24596@ncrcos.StPaul.NCR.COM>; from "Paul Meyer" at Nov 10, 94 4:38 pm
X-Mailer: ELM [version 2.3 PL11]

Hi Paul,
The main drawback I see with pushing security down to the transport layer
is that then you are only as secure as your most insecure transport layer.
For those of use who run SNMP over multiple transport protocols, having
secure UDP won't help if AppleTalk, IPX, etc are still insecure.  Yes,
someday they may all be secure (but then again, maybe not).  In the interim
we are stuck with a management protocol that many folks can't do management
with because they won't enable set-requests.

/jeff

Paul Meyer sez:
>
>This area has been coming up a lot recently.  Secure FTP, secure SNMP,
>secure e-mail, yayayayaya.....
>
>The simplest solution would be to add security and authentication options to
>the transport laters (UDP, TCP, whateverP), and use the groundrules we've
>been putting into secure SNMP as aids in developing understandable means of
>handling the various levels of security, key transfers (and initialization),
>and the other hoary issues.  Otherwise each new protocol on the block
>(secure gopher??) will be doing the exact same work.
>
>So, I really really like the simplified SNMPv2 idea, particularily since I
>really want getbulk and agentcaps.
>
>For Ran and the other security gurus, let's also really push to move
>authentication/encryption work down to transport AND GET IT TO HAPPEN!

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Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: Dave Bridgham <dab@epilogue.com>
X-Orig-Sender: dab@epilogue.com
To: snmpv2@tis.com
In-Reply-To: Bob Natale's message of Thu, 10 Nov 1994 13:37:15 EST <ECS9411101315L@acec.com>
Subject: SNMPv1.5 (tm)
Date: Fri, 11 Nov 94 15:25:03 -0500
Message-Id:  <9411111525.aa20718@quern.epilogue.com>

> From: Iain K. Hanson <ihanson@pcs.dec.com>
> Date: Thu, 10 Nov 94 18:57:59 +0100

> Now that I understand the admin model I like it,

I must admit to a similar reaction.  I spend a lot of time these days
explaining various parts of snmp and our implementation of it to
others.  I've found that it now only takes me about 20 minutes to give
a decent overview of the v2 adminsitrative model and they often
respond with, "Is that all?  I'd heard it was complicated.".

What it needs most is a reasonable user interface.  Hand configuring
that stuff is out of the question for most users.

						Dave
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unsubscribe trilyc@technet.sg

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Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: Chakravarthy Kolli <ckolli@hns.com>
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Subject: CMU code ported to HP/UX?
To: snmp2@tis.com
Date: Mon, 14 Nov 1994 09:21:20 -0500 (EST)
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Hi,

  Has anyone ported the agent part of CMU SNMPV2 code to HP/UX?
There is some kernel specific code that needs to be ported.

  I would appreciate any information you can give me.

Thanks very much,


Chak Kolli
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Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: "douglas beeman (tv" <beeman@torch.timeplex.com>
Mmdf-Warning:  Parse error in original version of preceding line at magellan.TIS.COM
Message-Id: <9411141518.AA00737@torch.timeplex.com>
Subject: Re: Karl's comment on snmpV2 security
Apparently-To: <snmpv2@tis.com>


>It is a matter for discussion whether we need the existing structure
>which can build an access matrix to the degree that we can define for
>every electron in the universe what other electrons it can see or talk
>to.

Finally, the crux of this long string on admin/security!

dB         


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Subject: Re: Karl's comment on snmpV2 security
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>It is a matter for discussion whether we need the existing structure
>which can build an access matrix to the degree that we can define for
>every electron in the universe what other electrons it can see or talk
>to.

Finally, the crux of this long string on admin/security!

dB         


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From: zbam@vnet.ibm.com
To: snmpv2@tis.com
Cc: bstewart@cisco.com
Subject: Any plans to discuss Steve's drafts???

Bob - Please do not forget Inform Request.
      I think Inform request is a nice manager to manager communication
      facility using open standards.
      Z Bam
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From: bab@win.icl.co.uk
To: snmpv2@tis.com
Subject: SNMPV2 and GSSAPI
Content-Length: 252


Is there any current, or projected, synergy between the IETF work on
SNMPV2 security and the IETF work on the Generic Security Service Application
Program Interface (rfc 1508 & 1509)?

                                  Barry A Byrne
bab@win.icl.co.uk
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From: Timon Sloane <tsc@bahagia.strata.com>
Message-Id: <9411161900.AA27799@bahagia.strata.com>
To: snmp2@tis.com
Subject: re: TimeStamp definition in Textual conventions

...the suggestion doesn't work since the SYNTAX is different for
TimeInterval and a TimeStamp

in the words of Emily Latella

nevermind

Mike Thatcher
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From: Timon Sloane <tsc@bahagia.strata.com>
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To: snmp2@tis.com
Subject: TimeStamp description in RFC 1443
Cc: thatcher@timonware.com
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The current description of TimeStamp ties it directly to sysUpTime.
Perhaps it could be changed to 

"the value of a TimeInterval object such as sysUpTime..."

so that a mib may define it's own TimeInterval object and use it 
for a value in a TimeStamp object.

Mike Thatcher
thatcher@timonware.com
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I am interested in the topic of why SNMPv2 can/cannot
use IPv6 security mechanisms instead of the RFC1445, 1446.

So far I see two problems:

  1) IPv6 does not protect against replay attacks. Although
     IPv6 has a Fragment Offset field, it is only used for
     intra-packet fragmentation and does not replace the
     protection of SNMPv2 clock synch.
  2) As others have stated, SNMPv2 needs to run over other
     protocols besides IP

Am I right?

Are there others?


				dreez


---------------------------------------------------
"The above opinions where not mine but that of the
             American people."
  Michael J. Endrizzi;SCC; 2675 Long Lake Road MS. 203
  Roseville, MN 55113;endrizzi@sctc.com
---------------------------------------------------

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To: snmpv2@tis.com
Cc: ihanson@cssec4.pcs.dec.com
Subject: Re: Security was Re: SNMPv1.5 (tm) 
In-Reply-To: Your message of "Tue, 15 Nov 94 21:30:39 EST."
             <9411160230.AA23229@buoy.watson.ibm.com> 
Date: Thu, 17 Nov 94 15:08:34 +0100
Sender:ietf-archive-request@IETF.CNRI.Reston.VA.US
From: "Iain K. Hanson" <ihanson@pcs.dec.com>
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Uri wrote:

>> Also, many users will not want to pay the performance penalty of
>> secure IP ( or
>> any other network layer) for all traffic just so that system administration is
>> secure.


>That will be not up to them! They'll have just as much affect over whether
>the IP traffic is secured (with all the penalties of it :-), as they have
>today (:-).

Uhhh! As I understand it, IPv6 security *Must* be optional, not least because
in some coumtries you can lose your life for using encryption. Not that this
helps SNMPv2.

BobN wrote:

>I am sorry to have to admit that I sometimes trade off engineering 
>"completeness" for marketplace "now-ness"...time-to-market is really 
>critical today, it seems...especially for standards-based solutions.

Bob,

I agree with you whole heartidly - where this is necessary. But, I am also 
loathe to 'throw out the baby with the bath water' and I am not *yet* 
convinced that it is necessary to do so. 

and Uri wrote:

>> If we can get good security definitions that implementators can uderstand and
>> implementations that users do not find a burden, then  I believe it will be as
>> popular as PGP.

>Yeah, but in this case - not a chance (:-).

This is the begining of the review process for SNMPv2 and I believe we should
at least make an attempt at it, although I do understand the sentiment.

That SNMPv2 is implementable is evidenced by the pulicly available 
implementations. From the discussions on this list, there seems to be agreement
that the current documentation needs to be improved.

What I would most like to understand is if there are problems other than the
documentation. ( My own implementation experience is far from complete as I am
only in the design phase. )

For instance; 

1) Are agent implementations too time/space expensive?

2) Are Managers & Agents to difficult to configure? If so, is there evedience
   that this is the fault of the standard and not the implementation.

3) something else? If so, what?

On the documentation front, I've at last managed to read most of the new I-Ds
and I would particularly like to thank our editor for the work he has put in. I
particularly like the improvements in snmpV2-sec.txt.

However, I have always felt that 12 documents is far to many unless absolutely
necessary. I find it a significant barrier that I need to refer to the Admin
model, security, protocol, and party mib documents in order to understand 
what should be going on.

There is also a substancial overlap in content between snmpV2-admin.txt and 
snmpV2-sec.txt and I personally feel that it would be an improvment to amalgamte
these two documents. I would probablely go for adding in the snmpV2-proto.txt
as well, giving one document that defined the protocol and state machine for
SNMPv2. Any comments?

/ikh

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To: snmpv2@tis.com
Cc: ihanson@pcsbst.pcs.dec.com
Subject: Re: Security was Re: SNMPv1.5 (tm) 
In-Reply-To: Your message of "Thu, 17 Nov 94 18:05:42 EST."
             <9411172305.AA23928@buoy.watson.ibm.com> 
Date: Fri, 18 Nov 94 12:38:29 +0100
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From: "Iain K. Hanson" <ihanson@pcs.dec.com>
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Hi,

Uri wrote:

>I'm not sure. For imbedded applications and such, you may very
>well want NOT to waste that extra 100KB.

Many if not most of the SNMPv1 managed elements that I have used or come
across have required an additional board ( processor and memory ) in order to
handle being managed. There are also devices that will not for the forseeable
future, directly support SNMPv1 or SNMPv2. For these we can use a proxy.

I agree that there must be a balance, but I don't think 100kb is to high a
price to pay for secure system admin.

/ikh
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To: snmpv2@tis.com
Cc: ihanson@pcsbst.pcs.dec.com
Subject: Re: Security was Re: SNMPv1.5 (tm) 
In-Reply-To: Your message of "Thu, 17 Nov 94 22:03:58 PST."
             <9411180603.AA05054@cavebear.com> 
Date: Fri, 18 Nov 94 14:04:07 +0100
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Hi Karl,

>And comes to my point -- if everybody uses the same tools to avoid
>this kind of problem, then few, if any, will be using the fully admin
>MIB capabilities.  So why bother having so much unused complexity?

I'm afraid that I don't agree with your assumptions here. I agree that 
good tools are needed, in order to simplify configuration of the Party MIB
in agents and Managers. And I see no reason why such tools should not have
default sets of assumptions. However, such assumptions would need to be 
over-rideable by the user, if they are to be of real use to larger 
organisations. Management policy on a large net can be anything from fully
centralised to very devolved and what is just a mere detail to one can be 
vital to another.

I also believe that it is possible to build tools that allow correct fine
grained control that are easy to use via a GUI ( I hope so because thats what
I'm working on :-). ) As Grady Booch writes "The task of the software 
development team is to engineer the illusion of simplicity".

>we'd just lose the ability
>   to give each grain of sand on the beach its own collection of parties

I believe that this is just a side effect of good generalisation rather than
over-specification.

>Let's try to revive the concept of "simplicity".

I believe that Albert Einstein is attributed as saying "Make things a simple as 
possible, but no simpler."

/ikh
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From: "Michael L. Kornegay" <mlk@bir.com>
To: snmpv2@tis.com
Subject: Re: Security was Re: SNMPv1.5 (tm)
Date: Fri, 18 Nov 94 09:11:01 EST
Reply-To: mlk%bir.UUCP@mathcs.emory.edu
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In Regards to your letter <9411180603.AA05054@cavebear.com>:

> Both Steve W's proposals and a number of the tools I've seen simplify
> configuration by making some large assumptions about views and such,
> so that most of the complexity of configuration is not presented to
> the administrator.
> 
> Are your tools of that nature?
> 
> Assuming, for the moment, that your answer is "yes", then it becomes
> an interesting question whether we need the all the mechanisms found
> in the administrative mib.  If people use streamlined configuration tools,
> then perhaps we could elide out those unused mechanisms from the admin
> mib.

It is important that these sort of tools all implement the same 
(standardized) style or conventions for "streamlining".  The administrative 
model seems to provide so many options, that many of us are worried about 
the ability to successfully configure and update (clock sync) parties in an 
interoperable environment of many products from many vendors.  

If we dont get this right, customers will run into situations were the
streamlining only works for their own products, and the customer has
to go crazy with the low-level party mib configuration to interact with
3rd party stuff.  I dont think we want this...


The party mib configuration and the administrative model are interoperability
issues.  Lets go back to the basic goals of snmp, simplicity and inter-
operability among very diverse systems.  

I hope we are not foolish enough to label this a 'host issue', it is
an *interoperability* issue.  Many snmp'ers have been proud to point
out that too many options and complexity is what has made CMIP hard
to deploy, lets not screw up the snmp with a problematic, complex,
and option rich administrative model.  

___________________
Michael L. Kornegay
Internet: mlk@bir.com   UUCP: bir!mlk   AppleLink: mlk@bir.com@INTERNET#
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To: snmpv2@tis.com
Subject: Modification of SnmpV2 Security
Content-Type: text/plain; charset=us-ascii
Mime-Version: 1.0


This contains some ideas for changes in the SnmpV2 Party MIB.  The first
section discusses the changes; the second lays out the new Party MIB and
the last section talks about changes to the format of the SnmpV2
message.

Discussion
----------
As I've been implementing SnmpV2 for our NMS, I've come across some
places in the Party MIB that I would like to see changes.  When the NMS
sets up the party pairs for authenticated communication, it sets up a
key for each of the manager parties, but really these parties represent
the same SnmpV2 entity.  So I would like to be able to reuse the
authentication key across all manager parties.  To do this, I've created
an AunthenticationEntry which contains the type of authentication
protocol and the key(s) used for it.
The second change to the MIB revolves about the privacy information.  If
I want to reuse the encryption key across a number of devices, there is
no way to do this. In addition, I believe that encryption is part of how
an NMS talks to a device and part of who the NMS is.  So I've suggested
a new PrivacyEntry and moving the privacy information from the party to
the context.

Party MIB changes
-----------------
Below, I list the changes to the PartyEntry and ContextEntry plus the
new AuthenticationEntry and PrivacyEntry. * = changes

PartyEntry ::=
              SEQUENCE {
                  partyIdentity        Party,
                  partyIndex           INTEGER,
                  partyTDomain         OBJECT IDENTIFIER,
                  partyTAddress        TAddress,
                  partyMaxMessageSize  INTEGER,
                  partyLocal           TruthValue,
*                 partyAuthIndex       INTEGER,
                  partyAuthClock       Clock,
                  partyAuthLifetime    INTEGER,
                  partyCloneFrom       Party,
                  partyStorageType     StorageType,
                  partyStatus          RowStatus
              }

ContextEntry ::=
              SEQUENCE {
                  contextIdentity         Context,
                  contextIndex            INTEGER,
                  contextLocal            TruthValue,
                  contextViewIndex        INTEGER,
                  contextLocalEntity      OCTET STRING,
                  contextLocalTime        OBJECT IDENTIFIER,
                  contextProxyDstParty    Party,
                  contextProxySrcParty    Party,
                  contextProxyContext     OBJECT IDENTIFIER,
*                 contextPrivacyIndex     INTEGER,
                  contextStorageType      StorageType,
                  contextStatus           RowStatus
              }

*AuthenticationEntry ::=
*              SEQUENCE {
*                  authAuthIndex       INTEGER,
*                  authAuthProtocol    OBJECT IDENTIFIER,
*                  authAuthPrivate     OCTET STRING,
*                  authAuthPublic      OCTET STRING,
*                  authStorageType     StorageType,
*                  authStatus          RowStatus
              }

*PrivacyEntry ::=
*              SEQUENCE {
*                  privPrivIndex       INTEGER,
*                  privPrivProtocol    OBJECT IDENTIFIER,
*                  privPrivPrivate     OCTET STRING,
*                  privPrivPublic      OCTET STRING,
*                  privStorageType     StorageType,
*                  privStatus          RowStatus
              }


Message format changes
----------------------

By virtue of moving the privacy from a party to the context, the format
of an SnmpV2 message needs to change.  When transmitting a private
message, the context used for the encryted message needs to be the first
part of the message, instead of the destination party.


Happy Hunting,

DOM II

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From: Ruediger Osten <osten@comsys.dofn.de>
Message-Id: <9411211046.AA10301@comsys.dofn.de>
To: snmp2@thumper.bellcore.com
Subject: SNMPv2 Working Group

Please add me to your submission list.
Kind regards.
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From: David Harrington <dbh@express.ctron.com>
Message-Id: <9411212157.AA17002@express.ctron.com>
Subject: autodiscovery
To: snmpv2@tis.com
Date: Mon, 21 Nov 94 16:57:06 EST
X-Mailer: ELM [version 2.3 PL11]



One problem with snmpv2 is the difficulty of doing autodiscovery, especially
in a security-conscious environment.

I would like to propose an add-on to snmpv2 which would allow the
autodiscovery of snmpv2 devices in a method which is interoperable.
I believe the proposal provides a reasonable trade-off between security
and the ability to perform auto-discovery of snmpv2 devices.

-----------
Contents:
	Overview
	Description of the Party MIB changes
	Party MIB changes
	Description of an autodiscovery query
	Design Notes

-----------
Overview:
	For doing autodiscovery, there should be a generic party-pair and 
	context defined which are not specific to a transport address. For 
	example, "adisc1" and "adisc2" parties, a corresponding "adisc" 
	context and an "adisc" MIBview. 
	
	Upon receiving an "adisc" communication, a discoverable agent responds
	with an acknowledgement of its existence, and with the source and 
	destination parties and the context which should be used for more 
	extensive discovery. 

	The "adisc" communication is noAuth/noPriv, and the associated view
	is absolutely minimal - only the source/dest/context for further
	discovery, which may be null if further discovery is not supported. 
	An error message may be returned as an acknowledgement instead.

	The parties for *further* discovery may be Auth or Priv parties, so
	further discovery is only supported by known entities.

Description of the Party MIB changes:

	Autodiscovery messages can be addressed to individual addresses, or
	broadcast messages can be sent to a range of devices since the party 
	identities are not tied to a transport address. (Agents may need to be
	modified to support broadcast messages).

	The "adisc" parties are noAuth/noPriv. They are not tied to transport
	addresses, and have no clock sync or key requirements. 

	The "adisc" context maps to an "adisc" MIBview containing only three 
	objects - a source party identity, a destination party identity, and 
	a context identity which can be used for subsequent extended discovery. 
	The OID of the "adisc" MIBview should be vendor-independent so it
	can be used interoperably. 

	The changes to the party MIB are all additions to the existing
	proposal, so it is easy to add autodiscovery support if it is
	desired by the customer/network administrator.

	Here are the proposed Party MIB additions:

-----------
Party MIB changes:

A v2adisc MIB extension to snmpv2 
	v2adisc 
		OBJECT IDENTIFIER ::= { partyAdmin 5 } 
			My example uses { partyAdmin 5 } as an example of a
			vendor-independent subtree, but the actual location
			would be determined by the appropriate naming authority.
	srcParty OBJECT-TYPE
		SYNTAX Party
		MAXACCESS read-write
		DESCRIPTION
			"The source partyIdentity to use for further discovery
			of the capabilities of this snmpv2 entity "
		::= { v2adisc 1 } 
	dstParty OBJECT-TYPE
		SYNTAX Party
		MAXACCESS read-write
		DESCRIPTION
			"The destination partyIdentity to use for further 
			discovery of the capabilities of this snmpv2 entity "
		::= { v2adisc 1 } 
	context OBJECT-TYPE
		SYNTAX Context
		MAXACCESS read-write
		DESCRIPTION
			"The contextIdentity to use for further discovery
			of the capabilities of this snmpv2 entity "
		::= { v2adisc 1 } 

	// only one per agent, one per interface, one per TDomain?

A generic party "adisc1"
	partyIdentity={ InitialPartyId 1 }
		Identity does not include IP address
	partyIndex= < agent unique number >
	noAuth/noPriv party - the rest as per InitialPartyId.a.b.c.d.1

A generic party "adisc2"
	partyIdentity={ InitialPartyId 2 }
		Identity does not include IP address
	partyIndex= < agent unique number >
	noAuth/noPriv party - the rest as per InitialPartyId.a.b.c.d.2

A generic context "adisc"
	contextIdentity={InitialContextID 1 }
		Identity does not include IP address
	contextIndex= < datastore unique number >
	contextViewIndex= < unique datastore index for "v2adisc" MIBview >

A view for v2adisc MIB tree	
	viewIndex=<unique index for "v2adisc">
	viewSubtree = v2adisc
	viewMask=''H
	viewType=included

ACL 
	Target=< adisc1 party index >
	Subject=< adisc2 party index >
	Resources=< adisc context index >
	Privileges=1 (Get) 

ACL 
	Target=< adisc2 party index >
	Subject=< adisc1 party index >
	Resources=< adisc context index >
	Privileges=4 (Response) 


------------------
Description of an autodiscovery query:

NMS query:

	To do a discovery, the NMS sends a noAuth/noPriv message from "adisc2"
	to "adisc1" using context "adisc", requesting a GET of three objects 
	in the "adisc" context MIBview. The message can be addressed to "adisc1"
	at a known IP address, or it can be a broadcast message.

	privDst = "adisc1" 
	dstParty= "adisc1" 
	srcParty= "adisc2"
	context = "adisc"
	PDU=get_request( v2adisc.srcParty, v2adisc.dstParty, v2adisc.context )

Agent Reply:

	1) No reply
		A secure agent that does not support generic adisc
		The "adisc" parties are not present in the party table
		This agent may support re-discovery via another known party.
	2) NoSuchObject or returns { src=0 dst=0 context=0 }
		A semi-secure agent that will acknowledge its existence,
		The v2adisc MIB is not implemented, or the v2adsic MIB has 
		values "0" so further discovery cannot be done.
	3) returns the values for the requested data
		Discoverer can then make further contact through the
			v2adisc parties and context.
		Note that the v2adisc parties may be Auth or Priv if desired,
			so further information-discovery can only be done if
			the correct keys are known for the v2adisc parties.
		The extended discovery parties may include viewEntries which
			can be used to determine vendor-specific information,
			such as model numbers, or supported applications of
			of the agent, such as routing.

NMS processes response:
	1) reply received, ergo device exists at address of reply-sender
	2) Read varbinds. If any are 0, we are done processing
	3) Read dst_party varbind
		extract partyIdentity
		check datastore for existing matching entry
		if none, create party with known data:
			partyIdentity
			partyIndex (generated)
			partyTDomain (derived from message header )
			partyTAddr (derived from message header)
			partyLocal=false (on manager)
			partyAuthProtocol=noAuth 
			partyAuthClock=0
			partyAuthPrivate=''H
			partyAuthPublic=''H
			partyAuthLifetime=0
			partyPrivProtocol=noPriv 
			partyPrivPrivate=''H
			partyPrivPublic=''H
	4) Read src_party varbind
		repeat processing as per dst_party, except
			partyIndex (generated)
			partyTAddr (assigned by local admin)
			partyLocal=true
	5) Read context varbind
		if match not found in local datastore, create
			contextIdentity=Identity
			contextIndex (generated)
			contextLocal=false

NMS further discovery:

	NMS can now attempt to get further info.
		use the prescribed src_party, dst_party, and context.
		If the parties existed, any Auth or Priv should be used
		If the parties were created, they will be noAuth/noPriv.
		If there is no reply, the NMS should probably assume
			that the party-pair is new, and Auth or Priv
			with unknown keys. Human could update to Auth or
			Auth/Priv and provide known keys.

----------
Design Notes

	The benefits of this design:
		
	1) interoperable
		The MIBview is common; the parties and context are device
		independent
	2) works with the existing admin/security model 
		It can be configurd to ignore "adisc"
		It provides for secure "further" discovery
	3) works with existing agents
		By using standard protocol operations, this proposal should
		be able to be used with any existing agent. Broadcast support
		may need to be added to some agents.
	4) optional 
		All party MIB changes are additions only, and are not required
		so existing devices need not support it, and administrators
		need not allow it.
	5) easy to upgrade 
		It can be added to an existing snmpv2 device by adding two new
		parties, a context, and a viewEntry, and three static objects.
	6) easy to configure to meet policy
		There are many ways to tailor the "adisc" responses to meet
		NMOC administrative policy.
	7) supports controlled extensive discovery of device capabilities
		can provide acknowledgement with very limited access
		can provide secure access to "further" large MIBviews
	8) supports extensible discovery
		"further adisc" MIBviews are not defined by RFCs, so they can
		be extended over time without breaking conformance.
		"further adisc" MIBviews may support proprietary adisc MIBs.

-- 
-------------------------------------------------
#include <std.disclaimer> 
David Harrington  dbh@ctron.com 
Cabletron Systems Inc. Spectrum Modeling Group
-------------------------------------------------
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From: Colm Bergin <cbergin@sun004.cpdsc.com>
Message-Id: <9411221354.AA08805@sun004.cpdsc.com>
To: snmpv2@tis.com
Subject: Subscribe

Please add cbergin@cpdsc.com to the SNMPv2 mailing list.

Thanks.

cpb
___

Colm Bergin                      | Phone:     (214)519-7349
                                 | Fax:       (214)519-7933
Broadband Products Division      | Internet:  cbergin@cpdsc.com
---------------------------------+-------------------------------------------
>>>> DSC Communications Corp., 1000 Coit Rd, MS-826, Plano, Tx 75075     <<<<
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davol@meiko.co.uk
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From: onwuka uchendu <ouchendu@mtu.edu>
Message-Id: <199411231810.AA13368@astro.tc.mtu.edu>
Subject: Help with SNMP
To: snmp@psi.com
Date: Wed, 23 Nov 1994 13:07:26 -0500 (EST)
Cc: snmpv2@tis.com
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Friends

For my MS project, I am building a snmp-controlled Power Monitoring Device. 
This device is designed to continuosly sample raw ac voltage from the utility
company. The analog samples are converted to digital quantities, and processed
by a Zenith pc running DOS. The processing is simply a voltage measurement, 
and comparison against set threshold values. If the samples exceed set 
voltage thresholds, a trap is sent to the NOC. The NOC is a Sun unix 
workstation running Sun NetManager. Every sample is also stored in secondary
memory to capture the power profile over time.

My problem now is to find an appropriate SNMP Agent(Proxy Agent?) to download
into my pc to effect snmp communication between the NOC(a unix box) and my 
DOS pc. Please help. Public domain solutions will be most suitable for me 
since my student income cannot afford a commercial Agent.

I will appreciate any other tips to get me going because I know nothing about
SNMP. Thank you.

       O. Uchendu
       mtu


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From: Giovanni Cortese <cortese@sodalia.it>
Subject: subscribe
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please add me
cortese@sodalia.sodalia.it
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From: galperin meer <meer1@ccsg.tau.ac.il>
Subject: help me please
To: snmp2@tis.com
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Maybe somebody knows where i can find educational material
about SNMP.
Thak in advance.
Meir Galperin.
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From: "Sholom Fried (Systems Adminstrator" <sfried@dpw.com>
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To: snmp2@tis.com, meer1@ccsg.tau.ac.il
Subject: Re: help me please


> Maybe somebody knows where i can find educational material
> about SNMP.
> Thak in advance.
> Meir Galperin.
> 

Meir,
Chanukah Sameach!

Try one of the following:

The Simple Book, by Marshall Rose. (1st Edition) - Covers SNMPv1
The Simple Book, by Marshall Rose. (2nd Edition) - Covers SNMPv2
CMIP, CMOT, and SNMP (I _think_ that's the title), by William Stallings.

-- Sholom Fried
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From: Dave Perkins <dperkins@synoptics.com>
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To: snmp@psi.com, snmp2@tis.com, waldbusser@cmu.edu
Subject: Release of SMICNG!!!!

Fellow SNMP and SNMP V2 User's,

    My name is Greg Foster and I work for Dave Perkins at
Bay Networks, Inc.  Dave is out of town this week, but
wanted to inform everyone that the next generation of SMIC,
a compiler for SNMPv1 & SNMPv2 MIBs, is NOW available.

The next generation compiler and all the supporting information
is available via "anonymous" ftp from

         ftp.synoptics.com

under the directory /tmp/eng/mibcompiler2


Please get the file, "readme.lst", to see the files available for
retrieval.

Below is a message from Dave describing the package and highlighting
some of its key features.

Compile On!!!

----------------------------- Dave's Message ---------------------------

                            ANNOUNCEMENT
			     11/23/94

			     SMICng

I am pleased to announce the availability of the next generation
of SMIC - a compiler for SNMPv1 & SNMPv2 MIBs. This tool, to help
develop and use SNMPv1 & SNMPv2 MIBs, is a greatly enhanced version
of SMIC classic. This compiler is being made "freely available" by
Bay Network (SynOptics Communications, Inc.).


                            SMICng Package

The first version of this package includes executables for the
compiler, MIB stripper, error message displayer, and two programs
to build "mib include files". Also included is user a guide, and
corrected versions of MIBs from RFCs. At this time only binaries
are available. These have been made for SunOSv4.x, HP Unix v9.x,
and IBM AIX v3.x. 

 
                           FEATURES

    * The current version of SMIC, which we call "classic" SMIC
      has the following features:
        * multiple input files
        * concise MIB format (RFC1212)
        * concise trap format (RFC1215)
        * multiple MIB modules
        * items in IMPORTS
        * textual conventions
        * alias assignments for modules and object names
        * selective checking of MIB constructs
        * extensive MIB syntax checking and continuation of
           syntax checking after syntax errors
        * extensive checking of MIB consistency
        * multiple output options (including MOSY compatible output)
        * environment variable to locate "included" files
    * The "next generation" SMIC (SMICng) has all the features of
      "classic" SMIC plus the following:
        * Full support for all SNMPv2 MACROs
        * Support for SIZE and ranges that use the "or" (i.e., the "|")
          construct. For example: INTEGER (1..10 | 20 | 80..100) and
          OCTET STRING (SIZE(0..10 | 20 | 30..50)).
        * Support for MIN & MAX in SIZE/range clauses. For example:
          INTEGER (0..10 | 20..MAX) or INTEGER (MIN..MAX).
        * Support for subtyping of TCs. For example:
          myInt ::= INTEGER(1..20), then myInt (3..12).
        * Has "automatic imports" for SMI items that needed to
          be IMPORTed but were not. (And of course, an error
	  is generated.)
        * Full ASN.1 syntax is allowed for OID values. (Classic SMIC
          limited OID values to be of form "{ <number> }" or
          "{ <oidItem> <number> }". Now values like the following
          are allowed "{ iso org(3) dod(6) internet(1) }" or
          "{ 1 3 6 }".
        * Supports referencing items that use the
          module name prefix. For example, can specify the
          following: RFC1213-MIB.ifIndex and MYMIB.ifIndex in
          the same MIB module (for example if needed in an
          AGENT-CAPABILITIES).
        * Allows forward references to items in OID values or
          for types used in SYNTAX clauses.
        * Added "automatic case-conversion" of leading letter
          of items. The most common problem seen in MIBs is
          the wrong case for the sequence name used in table/rows.
          This is automaticly corrected. Also corrected is the
          case of TC names. Next generation SMIC doesn't do miracles,
          so it doesn't fix misspellings or convert the case
          for letters other than the first.
        * A new directive, "UNREGISTER", was added to solve the
          "problem" created by the new IF MIB (RFC 1573) which
          redefined OBJECT-TYPEs orginally defined in MIB-II.
          This directive allows items registered with OID values
          to "give back" their registration so that the OID value
          can be used for other registrations.
        * Many new options were added. To Accomodate them, the
          syntax of the command line was modified. Also,
          a new environment variable, "SMICOPTS", was added that
          can be used to specify the "default" settings of the
          options. A new mechanism was added to allow options
          to be turned off. To turn off an option on the command
          line, follow it by the letter "o".
        * The SNMPv1 and SNMPv2 directives were added so that
          both v1 and v2 MIBs could be compiled together.
          Also, if the IMPORTs are done correctly, SMICng
          "auto selects the version" when parsing the IMPORTs.
        * As SMICng parses a MIB, line and column
          positions are saved, so that when a semantic error
          is reported, it is done at the "exact spot". (In
          classic SMIC, semantic errors are reported at the
          line and column that the syntax parser is currently
          located. For example, most semantic errors in
          classic SMIC are reported at the location of the
          END statement of a MIB module.)
        * SNMPv2 has many new constructs that have new options
          to control the level of checking for them.
	* Support was added to allow MIB modules to be tagged
          with an OID value. Then in another MIB module, the
          OID value can be used to identify the first MIB module
          in an IMPORTs instead of using the name. Why might you
          want this? If you named your MIB modules the same
          as standard MIB modules, and then you wanted to
          create an agent-capabilities that has objects
          from both MIB modules.
        * For those who would like to pipe in stdin, specifying
          the filename of "-" as the input filename causes
          SMICng to read input from stdin.
        * The MOSY output was updated to be compatable with the
	  new format generated by MOSY v7.1.
	* Two programs were added to create the "mib include files".
	* MIB include files are now quite simple since they
	  use the new conditional include directive so that
	  only the directly dependent MIBs need to be specified.
	* A message display program is now available to take
	  the output from SMICng and display the lines from
	  MIBs marked with the messages. (This is really quite
	  nice.) To use try "smicng -0 <mibIncludeFile> | smicewd -".
	* There are many more features as documented in the
	  new user guide.


    * Quick start suggestions:
        * create a directory named smicng.
        * copy the compressed tar'ed file into smicng
        * uncompress and extract the tar file
          (this should create a mibs subdirectory and
           sunos, hpux, and aix subdirectores)
        * add the directory for your OS to your path
        * set up the the SMICINCL environment variable to
          specify the path to the smicng/mibs subdirectory.
          (For example, SMICINCL=/home/dperkins/smicng/mibs)
        * specify "smic -ha" to print all help information.


                          ACKNOWLEDGMENTS

The many people that helped getting SMICng complete and tested are listed in
the SMICng User's Guide.

                               NOTICE

This package is "freely available" but it is not public domain.  The
following is the copyright and rights to use message for SMICng:

  Copyright 1992-1994 SynOptics Communications, Inc.  All Rights Reserved.
  SynOptics grants a non-exclusive license to use, copy, modify, and
  distribute this software for any purpose and without fee, provided
  that this copyright notice and license appear on all copies and
  supporting documentation.  SynOptics makes no representations about
  the suitability of this software for any particular purpose.  The
  software is supplied "AS IS", and SynOptics makes no warranty,
  either express or implied, as to the use, operation, condition,
  or performance of the software.  SynOptics retains all title and
  ownership in the software.


                          QUESTIONS & HELP

Please send me EMAIL if you have questions or need help.

              dperkins@synoptics.com

Enjoy,
/dave perkins, SynOptics, 408-764-1516
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