Hi,
I have couple of questions about reachability of originator of Type 11
Opaque LSA. According to RFC, When processing a received type-11 Opaque
LSA, the router MUST look up the routing table entries (potentially one per
attached area) for the ASBR that originated the LSA. If no entries
exist for the ASBR (i.e., the ASBR is unreachable), the router MUST
do nothing with this LSA.
1. Should the LSA still be flooded if originator is not reachable? In my
understanding the reachability check should be done while while processing
the data in LSA not while flooding the LSA. Can someone clarify?
2. Since, OSPF itself will not use the opaque data, does this imply that
OSPF needs to notify the application that originator of opaque data is
unreachable and opaque data is stale.
Thanks,
Gaurav
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