CentOS/Ubuntu 的桥接配置
测试环境： centos 6首先，安装软件包：bridge-utils (yum install bridge-utils)
[*]# cat ifcfg-br0
[*]DEVICE="br0"
[*]BOOTPROTO="static"
[*]NM_CONTROLLED="no"
[*]ONBOOT="yes"
[*]TYPE="Bridge"
[*]IPADDR=192.168.6.219
[*]NETMASK=255.255.255.0
[*]GATEWAY=192.168.6.1
[*]# cat ifcfg-eth0
[*]DEVICE="eth0"
[*]BOOTPROTO="static"
[*]NM_CONTROLLED="no"
[*]ONBOOT="yes"
[*]TYPE="Ethernet"
[*]BRIDGE="br0"
[*]# cat ifcfg-eth1
[*]DEVICE="eth1"
[*]BOOTPROTO="static"
[*]NM_CONTROLLED="no"
[*]ONBOOT="yes"
[*]TYPE="Ethernet"
[*]BRIDGE="br0"
[*]# uname -a
[*]Linux centos 2.6.32-279.19.1.el6.i686 #1 SMP Wed Dec 19 04:30:58 UTC 2012 i686 i686 i386 GNU/Linux
[*]#
测试环境：Ubuntu 1204
首先安装bridge-utils （apt-get install bridge-uitls)
[*]auto br0
[*]iface br0 inet static
[*] address 192.168.6.218
[*] netmask 255.255.255.0
[*] bridge_ports eth0 eth1
[*] bridge_stp on
[*] bridge_maxwait 0
[*] gateway 192.168.6.1
[*] dns-nameservers 202.106.0.20
[*]root@ubuntu:/etc/network# brctl show br0
[*]bridge name bridge id STP enabled interfaces
[*]br0 8000.000c29de7d91 yes eth0
[*] eth1
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