Hi, I found that IGMP snooping on the CRS317 is dropping OSPFv3 traffic. Support thinks this is normal …
Well, I found a workaround to make this work: I added a switch rule that copies all traffic to ff02::5 to the CPU.
/interface ethernet switch rule add copy-to-cpu=yes dst-address6=ff02::5/128 mac-protocol=ipv6 ports=<all_ports> switch=switch1
Well done, finally a solution!
Just in case, I’ve added all ff02::/124
thanks for the idea!
little issue: running ospfv3 ontop of vlan interfaces attached to the hardware-bridge - this does not solve the problem in our case (ROSv7.9).
also tried to filter the port and the vlan using an additional switch-filter this does not solve the issue either.
any further hints very welcome.
currently the only solution on this switch seems to disable IGMP snooping.