Hello I'm in trouble with a guest host that is not living on the same subnet than the hypervisor that I would like to connect to my LAN through 802.1q VLAN ( ubuntu 12.10 server amd64 ) The hypervisor VLAN number is 30 The guest VLAN number is 110 See below the /etc/network/interfaces file of the hypervisor # The loopback network interface auto lo iface lo inet loopback # For Guest-VM auto em1.110 iface em1.110 inet manual auto br0-110 iface br0-110 inet manual bridge_ports em1.110 bridge_stp off bridge_fd 0 bridge_maxwait 0 # For Vm-Mother auto em1.30 iface em1.30 inet manual auto br0-30 iface br0-30 inet static address 147.215.1.25 netmask 255.255.255.0 network 147.215.1.0 broadcast 147.215.1.255 gateway 147.215.1.1 dns-nameservers 147.215.1.4 147.215.128.128 dns-search esiee.fr bridge_ports em1.30 bridge_stp off bridge_fd 0 bridge_maxwait 0 IF ANYONE COULD HELP ... Thanks a LOT -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html