We are likely to add this draft to the list to be discussed in the meeting. It is discussing some general problems with MTU configuration between vendors. While it discusses this for ISIS, some aspects also apply to OSPF.
Basically, there are three problems: a) Some implementations use L2 MTU and others use the L3 MTU b) Different implementations pad and check for different lengths. Consequences are that ISIS sessions do not make it to Up. c) Different numbers of MPLS labels are assumed as the max, resulting in fragmentation, and there are generally no controls for it. http://datatracker.ietf.org/doc/draft-liu-rtgwg-mtu-config-ps/ Thanks, Alia
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