Hi
I have a question for trigger on IP FRR, apart from Link/Protocol Adj down can
IP FRR be triggered by Link down LSA/LSP updates.
I am using below topology:-
RTR-C
/ \
/ \
/ \
RTR-A -----SW----RTR-B
A and B are connected via switch.
A and C and B and C are connected directly.
A and B are running BFD with higher BFD timers with detection is approx. equal
to 1 secs.
What i noticed when we fail the link between RTR-A and SW , RTR-A switches to
alternate path as port connected with SW is down.
However B also converge to C before BFD timer expire, and traffic loss is
approx. 200 msecs.(B---A)
I did some packet captures and noticed link down LSA on B is arriving earlier
then BFD control timer expiration. Is it possible for IP/FRR to trigger based
on Link down LSA/LSP updates.
Thanks
Amit Dhamija
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