On Thu, Aug 27, 2020 at 02:30:39PM -0400, Lennart Sorensen wrote: > I have hit a new problem with the X722 chipset (Intel R1304WFT server). > VRRP simply does not work. > > When keepalived registers a vmac interface, and starts transmitting > multicast packets with the vrp message, it never receives those packets > from the peers, so all nodes think they are the master. tcpdump shows > transmits, but no receives. If I stop keepalived, which deletes the > vmac interface, then I start to receive the multicast packets from the > other nodes. Even in promisc mode, tcpdump can't see those packets. > > So it seems the hardware is dropping all packets with a source mac that > matches the source mac of the vmac interface, even when the destination > is a multicast address that was subcribed to. This is clearly not > proper behaviour. > > I tried a stock 5.8 kernel to check if a driver update helped, and updated > the nvm firware to the latest 4.10 (which appears to be over a year old), > and nothing changes the behaviour at all. > > Seems other people have hit this problem too: > http://mails.dpdk.org/archives/users/2018-May/003128.html > > Unless someone has a way to fix this, we will have to change away from > this hardware very quickly. The IPsec NAT RSS defect we could tolerate > although didn't like, while this is just unworkable. > > Quite frustrated by this. Intel network hardware was always great, > how did the X722 make it out in this state.
Another case with the same problem on an X710: https://www.talkend.net/post/13256.html -- Len Sorensen
