ubuntu 网桥配置
1 auto lo
2 iface lo inet loopback
3 auto eth0
4 iface eth0 inet manual
5 auto br100
6 iface br100 inet dhcp
7 address 192.168.8.245
8 netmask 255.255.255.0
9 bridge_ports eth0
10 bridge_stp off
11 bridge_fd 0
12 bridge_hello 2
13 bridge_maxage 12
14 gateway 192.168.8.1
15 nameservers 172.16.1.50