Monday, February 26, 2018

Dynamic Multipoint VPN Configuration Question

I have multiple tunnel NHS and use cluster and different priorities so my configuration on the spokes can be seen below

ip nhrp nhs [hub-tunnel-ip-address] nbma [hub-wan--ip] multicast priority XXX

The problem is I accidental left off the "multicast" part of the command, it was accepted by Cisco and seemed ok. The only problem is the OSPF would flap at the Hub/NHS router. I have been looking for any documentation on what is the difference between the command with and without the multicast.

Does anyone use this type of config without the multicast set?



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