# 激活频道绑定<a name="ZH-CN_TOPIC_0183005806"></a>

要激活绑定，则需要启动所有从属接口。请在root权限下，运行以下命令：

```
# ifup enp3s0
Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/7)
```

```
# ifup enp4s0
Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/8)
```

>![](public_sys-resources/icon-note.gif) **说明：**   
>对于已经处于“up”状态的接口，请首先使用“ifdown  _enp3s0”_命令修改状态为down，其中_enp3s0_ 为实际网卡名称。  

完成后，启动所有从属接口以便启动绑定（不将其设定为 “down”）。

要让 NetworkManager 感知到系统所做的修改，在每次修改后，请在root权限下，运行以下命令：

```
# nmcli con load /etc/sysconfig/network-scripts/ifcfg-device
```

查看绑定接口的状态，请运行以下命令：

```
# ip link show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: enp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
    link/ether 52:54:00:aa:ad:4a brd ff:ff:ff:ff:ff:ff
3: enp4s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP mode DEFAULT group default qlen 1000
    link/ether 52:54:00:aa:da:e2 brd ff:ff:ff:ff:ff:ff
4: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN mode DEFAULT group default qlen 1000
    link/ether 86:a1:10:fb:ef:07 brd ff:ff:ff:ff:ff:ff
5: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc fq_codel master virbr0 state DOWN mode DEFAULT group default qlen 1000
    link/ether 52:54:00:29:35:4c brd ff:ff:ff:ff:ff:ff
```

