[nsp] ip mtu and OSPF ?

From: Kevin Gannon (kgannon@lancomms.ie)
Date: Wed Feb 20 2002 - 03:49:10 EST


I had endless problems of getting OSPF to work over a BRI link
one side would say it had loaded fully and the other side said
it was continually retransmitting.

The TAC said put "ip mtu 1500" on both ends of the BRI and it
worked then. However they were vague about why it was needed
as I had tested the same config in a different code stream with
the mtu statement without problems. The TAC SE says its
not a bug.

I now about mtu mismatch in OSPF however it is always the L2
mtu I thought at least thats what the docs mention on CCO.

Regards,
Kevin

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