[c-nsp] OSPF trigger updates

[Nick Hilliard]

On 11/07/2011 17:54, Ranjith R wrote:
> Can someone clarify , how will the OSPF behave when  neighbor on a p2p
> link goes down , although the ethernet interface state still remain in
> up state. Will it trigger an SPF calculation ?  If so is it after 40
> seconds ?

It will assume that the neighbor is dead after dead-time seconds, which
will then trigger SPF.

It's quite usual these days to use a much shorter hello and dead interval
than 10/40 seconds.  I usually use hello=1 and dead=4 seconds for
everything these days.

Nick