Before installing the bridge, my /etc/network/interfaces looks like:
Before installing the bridge, ifconfig looks like:# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
source /etc/network/interfaces.d/*
# The loopback network interface
auto lo
iface lo inet loopback
After installing the bridge, my /etc/network/interfaces looks like (proposed by Falco in above mentioned link):eth1 Link encap:Ethernet Hardware Adresse 00:13:3b:0e:11:6b
inet Adresse:192.168.2.100 Bcast:192.168.2.255 Maske:255.255.255.0
inet6-Adresse: 2003:c2:bbc3213fe0e:116b/64 Gültigkeitsbereich:Global
inet6-Adresse: fe80::213fe0e:116b/64 Gültigkeitsbereich:Verbindung
inet6-Adresse: 2003:c2:bbc3b02992d2:64f6/64 Gültigkeitsbereich:Global
UP BROADCAST RUNNING MULTICAST MTU:1500 Metrik:1
RX packets:3258 errors:0 dropped:0 overruns:0 frame:0
TX packets:3478 errors:0 dropped:0 overruns:0 carrier:0
Kollisionen:0 Sendewarteschlangenlänge:1000
RX bytes:2083754 (1.9 MiB) TX bytes:484990 (473.6 KiB)
lo Link encap:Lokale Schleife
inet Adresse:127.0.0.1 Maske:255.0.0.0
inet6-Adresse: ::1/128 Gültigkeitsbereich:Maschine
UP LOOPBACK RUNNING MTU:65536 Metrik:1
RX packets:158 errors:0 dropped:0 overruns:0 frame:0
TX packets:158 errors:0 dropped:0 overruns:0 carrier:0
Kollisionen:0 Sendewarteschlangenlänge:0
RX bytes:24854 (24.2 KiB) TX bytes:24854 (24.2 KiB)
After installing the bridge, ifconfig looks like:# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
#allow-hotplug eth0
#iface eth1 inet dhcp
auto eth1
iface eth1 inet manual
auto br0
iface br0 inet static
address 192.168.0.100
network 192.168.0.0
netmask 255.255.255.0
broadcast 192.168.0.255
gateway 192.168.0.1
bridge_ports eth0
bridge_fd 9
bridge_hello 2
bridge_maxage 12
bridge_stp off
Btw: My old network-circuit (eth0) , integrated on motherboard, was broken some years ago and I added a new network-circuit (eth2) . I disabled the broken eth0-circuit in BIOS.br0 Link encap:Ethernet Hardware Adresse 2a:77:fb:a9:7c:7e
inet Adresse:192.168.0.100 Bcast:192.168.0.255 Maske:255.255.255.0
inet6-Adresse: fe80:fbff:fea9:7c7e/64 Gültigkeitsbereich:Verbindung
UP BROADCAST RUNNING MULTICAST MTU:1500 Metrik:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:266 errors:0 dropped:0 overruns:0 carrier:0
Kollisionen:0 Sendewarteschlangenlänge:0
RX bytes:0 (0.0 B) TX bytes:18018 (17.5 KiB)
lo Link encap:Lokale Schleife
inet Adresse:127.0.0.1 Maske:255.0.0.0
inet6-Adresse: ::1/128 Gültigkeitsbereich:Maschine
UP LOOPBACK RUNNING MTU:65536 Metrik:1
RX packets:532 errors:0 dropped:0 overruns:0 frame:0
TX packets:532 errors:0 dropped:0 overruns:0 carrier:0
Kollisionen:0 Sendewarteschlangenlänge:0
RX bytes:64722 (63.2 KiB) TX bytes:64722 (63.2 KiB)
Can anybody tell me how to install a kvm bridge and keep internet connection ? I am not very experienced in network stuff, since all was working automatically up to now. Thanks for support.