ospfd: Unicast direct acknowledgements on P2MP interfaces #17866
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The commit c706f0e changed OSPF to send all OSPF Ack packets as multicast on point-to-multipoint (P2MP) interfaces. Experience has proved that sending direct Acks as multicast doesn't offer any convergence benefits and will be more inefficient in situations where the underlying network topology relies on replication for multicast. Additionally, sending all these acknowledgements as multicast complicates the debugging of packet captures. Sending these direct acks as unicast also elmiinated the case where the same LSA could be sent in a single packet. Signed-off-by: Acee Lindem <[email protected]>
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The commit c706f0e changed OSPF to send all OSPF Ack packets as multicast on point-to-multipoint (P2MP) interfaces. Experience has proved that sending direct Acks as multicast doesn't offer any convergence benefits and will be more inefficient in situations where the underlying network topology relies on replication for multicast. Additionally, sending all these acknowledgements as multicast complicates the debugging of packet captures.
Sending these direct acks as unicast also elmiinated the case where the same LSA could be sent in a single packet.