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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