I've changed the network card and magically everything is working as expected.
Thanks for all the suggestions though. Andras On Thu, 31 Jul 2014 12:31:31 -0400 R P Herrold <herr...@owlriver.com> wrote: > > > On my 6.5 x64 system my bridged KVM guests (several kind > > > of Windows and > > many kind of Linux guests) do not get the broadcast messages. Every network > > packets reach them from the subnet except broadcast and multicast messages. > > How can that be? > > My desk notes indicate we do this locally, so we can see > messaged transit iptables: > > Next we have to make sure that network traffic going across > the bridge(s) can be filtered. So... > > cat >> /etc/sysctl.conf <<EOF > net.bridge.bridge-nf-call-ip6tables = 1 > net.bridge.bridge-nf-call-iptables = 1 > net.bridge.bridge-nf-call-arptables = 1 > EOF > sysctl -p /etc/sysctl.conf > > > and in iptables this rule > > -A FORWARD -m physdev --physdev-is-bridged -j ACCEPT > > and ip6tables > > -A RH-Firewall-1-INPUT -m physdev --physdev-is-bridged -j ACCEPT > > > As I recall the need to do this is documented, but obscure, > involving ebtables and iptables (ip6tables) > > -- Russ herrold
