nano /etc/network/interfaces
source /etc/network/interfaces.d/*

# The loopback network interface
auto lo
iface lo inet loopback

auto eth0
iface eth0 inet manual

# Most na eth0

auto br0
allow-hotplug br0
iface br0 inet dhcp
bridge_ports eth0
bridge_stp off
bridge_fd 0
bridge_maxwait 0









root@serv-wuw:/home/serv# ifconfig
br0       Link encap:Ethernet  HWaddr 4c:72:b9:57:94:ad
          inet addr:192.168.1.200  Bcast:192.168.1.255  Mask:255.255.255.0
          inet6 addr: fe80::4e72:b9ff:fe57:94ad/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:86 errors:0 dropped:0 overruns:0 frame:0
          TX packets:64 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:7070 (6.9 KiB)  TX bytes:10544 (10.2 KiB)

eth0      Link encap:Ethernet  HWaddr 4c:72:b9:57:94:ad
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:12417 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8455 errors:0 dropped:0 overruns:0 carrier:1
          collisions:0 txqueuelen:1000
          RX bytes:1289128 (1.2 MiB)  TX bytes:3127370 (2.9 MiB)

lo        Link encap:Local Loopback
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:13790 errors:0 dropped:0 overruns:0 frame:0
          TX packets:13790 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:2490029 (2.3 MiB)  TX bytes:2490029 (2.3 MiB)

vnet0     Link encap:Ethernet  HWaddr fe:54:00:1c:38:35
          inet6 addr: fe80::fc54:ff:fe1c:3835/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:36 errors:0 dropped:0 overruns:0 frame:0
          TX packets:860 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:500
          RX bytes:2673 (2.6 KiB)  TX bytes:81976 (80.0 KiB)