brctl 命令详解

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