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EAP Configuration Protocol Flow AP/NAS Access Network Mobile Node Internet AAA-H AAA-L Terminal sends credentials to NAS NAS sends credentials to local AAA Master Key pushed to AP Local AAA relays decision to NAS NAS authorizes Internet access Internet Access! Home Agent Address, Credentials for Mobility ServiceAuthorization, and optional Home Address Included! Home AAA replies with authentication and authorization decision and Master Key Local AAA sends credentials to home AAA Mobile Node now has Home Agent Address and preshared key (but not IPsec SAs)!. |