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Comment 5 -1 If the MPLS payload is between 46 bytes and 63 bytes the Implementation MAY either set to the length of the MPLS payload, or it MAY set it to 0. Note to the reader: In the definition above, both the MUSTs are needed to make the mechanism work, the MAY provides backwards compatibility with deployed systems. Does not sufficiently specify the behavior of the Tx and in particular the Rx to ensure interoperability. |