[c-nsp] IS-IS or OSPF as IGP?

Pete Templin petelists at templin.org
Tue Apr 24 10:03:28 EDT 2007


Gert Doering wrote:

> OTOH, IS-IS using OSI transport, which means "if your IP stack breaks,
> your routing protocol might still happily assign reachability" (which
> did happen to BT some years ago).

Although there probably are cases where things still go awry, the GSRs 
do have 'external-overload-signaling' which takes down the adjacency if 
dCEF is disabled on the card.  So far, that's saved us every time 
(though thankfully not often).

pt

	


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