Ah, okay -- that makes some sense. Glad to know it's not (just) me. :) Thank you!
On Sun, Mar 26, 2023 at 3:56 AM Michael van Elst <mlel...@serpens.de> wrote: > > rela...@gmail.com (Greywolf) writes: > > >Greetings; I have a couple RPi that I will refer to here as 'thing1' > >and 'thing2'. Both are running evbarm-earmv7h, NetBSD 10-BETA. > > The carp driver sent advertising packets through the carp interface > which sets the source MAC address to the CARP virtual MAC address > (computed from the vhid value). > > A normal ethernet switch will then learn that this MAC address > exists on multiple ports and change its forwarding table all > the time, resulting in lots of packet drops. The CARP election > protocol then doesn't work. > > I have comitted a change to send advertisments through the backing > 'carpdev' interface instead. This uses its own distinct MAC > address, and the switch stays happy. > > With the consumer switches here, it still takes up to 20 seconds to notice > when CARP moves the virtual MAC address to the other machine. > -- --*greywolf;
