安装网桥管理工具包:bridge-utile

```
# yum install bridge-utils -y
```

```
使用brctl命令创建网桥br1
```
# brctl addbr br1
```

删除网桥br1
```
# brctl delbr br1
```

将eth0端口加入网桥br1
```
# brctl addif br1 eth0
```

删除eth0端口加入网桥br1
```
# brctl delif br1 eth0
```
查询网桥信息

```
# brctl show
# brctl show br1
```

命令参数

Usage: brctl [commands]
commands:
addbr <bridge> add bridge
delbr <bridge> delete bridge
addif <bridge> <device> add interface to bridge
delif <bridge> <device> delete interface from bridge
setageing <bridge> <time> set ageing time
setbridgeprio <bridge> <prio> set bridge priority
setfd <bridge> <time> set bridge forward delay
sethello <bridge> <time> set hello time
setmaxage <bridge> <time> set max message age
sethashel <bridge> <int> set hash elasticity
sethashmax <bridge> <int> set hash max
setmclmc <bridge> <int> set multicast last member count
setmcrouter <bridge> <int> set multicast router
setmcsnoop <bridge> <int> set multicast snooping
setmcsqc <bridge> <int> set multicast startup query count
setmclmi <bridge> <time> set multicast last member interval
setmcmi <bridge> <time> set multicast membership interval
setmcqpi <bridge> <time> set multicast querier interval
setmcqi <bridge> <time> set multicast query interval
setmcqri <bridge> <time> set multicast query response interval
setmcqri <bridge> <time> set multicast startup query interval
setpathcost <bridge> <port> <cost> set path cost
setportprio <bridge> <port> <prio> set port priority
setportmcrouter <bridge> <port> <int> set port multicast router
show [ <bridge> ] show a list of bridges
showmacs <bridge> show a list of mac addrs
showstp <bridge> show bridge stp info
stp <bridge> {on|off} turn stp on/off
05-11 11:19