安裝網橋管理工具包：bridge-utile
```
# yum install bridge-utils -y
```
```
使用brctl命令創建網橋br1
```
# brctl addbr br1
```
刪除網橋br1
```
# brctl delbr br1
```
將eth0端口加入網橋br1
```
# brctl addif br1 eth0
```
刪除eth0端口加入網橋br1
```
# brctl delif br1 eth0
```
查詢網橋信息
```
# brctl show
# brctl show br1
```
命令參數
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