On 10 Oct 2023, at 19:26, FreeBSD User wrote: > Hello, > > at first: observation is below, marked [OBSERVATION]. > > Running recent CURRENT (FreeBSD 15.0-CURRENT #26 main-n265831-3523f0677ef: > Mon Oct 9 14:00:42 > CEST 2023 amd64), I've configured a bridge (bridge0), the hosts's interface > igb0 (I350-T2 two > port Gigabit Network Connection ) is member of that bridge and so a couple of > epair(4) devices > belonging to a couple of jails. > <snip> > On epairs as well as on the main hosts igb0 NIC, both IPv4 and IPv6 are > configured, IPv6 uses > ULA and setup doesn't has anything fancy. > Do not assign addresses to bridge member interfaces. Assign the addresses to the bridge itself. Misconfiguring that breaks multicast, which almost certainly explains all of your symptoms.
Best regards, Kristof
