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使用nmcli

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1# nmcli  con  add  type  bond  con-name  mybond0  ifname  mybond0  mode active-backup
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1# nmcli  con  add  type  bond-slave  ifname  enp3s0  master  mybond0
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要添加其他从属接口，重复上一个命令，并在命令中使用新的接口，使用示例如下：

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1# nmcli  con  add  type  bond-slave  ifname  enp4s0  master  mybond0\n2Connection 'bond-slave-enp4s0' (05e56afc-b953-41a9-b3f9-0791eb49f7d3) successfully added.
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1# nmcli  con  up  bond-slave-enp3s0\n2Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/14)\n3\n4# nmcli  con  up  bond-slave-enp4s0\n5Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/15)
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现在可以启动绑定，使用示例如下：

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1# nmcli  con  up  mybond0\n2Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/16)
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使用命令行

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检查是否已安装Bonding内核模块

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在系统中默认已加载相应模块。要载入绑定模块，可在root权限下使用如下命令：

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1# modprobe  --first-time  bonding
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显示该模块的信息，可在root权限下使用如下命令：

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1# modinfo  bonding
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更多命令请在root权限下使用modprobe --help查看。

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创建频道绑定接口

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要创建绑定接口，可在root权限下通过在/etc/sysconfig/network-scripts/目录中创建名为ifcfg-bondN的文件（使用接口号码替换N，比如0）。

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根据要绑定接口类型的配置文件来编写相应的内容，比如网络接口。接口配置文件示例如下：

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1DEVICE=bond0\n2NAME=bond0\n3TYPE=Bond\n4BONDING_MASTER=yes\n5IPADDR=192.168.1.1\n6PREFIX=24\n7ONBOOT=yes\n8BOOTPROTO=none\n9BONDING_OPTS="bonding parameters separated by spaces"
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创建从属接口

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创建频道绑定接口后，必须在从属接口的配置文件中添加MASTER和SLAVE指令。

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例如将两个网络接口enp3s0和enp4s0以频道方式绑定，其配置文件示例分别如下：

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1TYPE=Ethernet\n2NAME=bond-slave-enp3s0\n3UUID=3b7601d1-b373-4fdf-a996-9d267d1cac40\n4DEVICE=enp3s0\n5ONBOOT=yes\n6MASTER=bond0\n7SLAVE=yes\n8TYPE=Ethernet\n9NAME=bond-slave-enp4s0\n10UUID=00f0482c-824f-478f-9479-abf947f01c4a\n11DEVICE=enp4s0\n12ONBOOT=yes\n13MASTER=bond0\n14SLAVE=yes
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激活频道绑定

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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：

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1# ifup  enp3s0\n2Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/7)\n3\n4# ifup  enp4s0\n5Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/8)
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说明：

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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。

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完成后，启动所有从属接口以便启动绑定（不将其设定为“down”）。

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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：

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1# nmcli  con  load  /etc/sysconfig/network-scripts/ifcfg-device
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查看绑定接口的状态，请在root权限下运行以下命令：

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1# ip  link  show\n21: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode\n3 DEFAULT group default qlen 1000\n4    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00\n52: enp3s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP\n6 mode DEFAULT group default qlen 1000\n7    link/ether 52:54:00:aa:ad:4a brd ff:ff:ff:ff:ff:ff\n83: enp4s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP\n9 mode DEFAULT group default qlen 1000\n10    link/ether 52:54:00:aa:da:e2 brd ff:ff:ff:ff:ff:ff\n114: virbr0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN\n12 mode DEFAULT group default qlen 1000\n13    link/ether 86:a1:10:fb:ef:07 brd ff:ff:ff:ff:ff:ff\n145: virbr0-nic: <BROADCAST,MULTICAST> mtu 1500 qdisc fq_codel master virbr0 state\n15 DOWN mode DEFAULT group default qlen 1000\n16    link/ether 52:54:00:29:35:4c brd ff:ff:ff:ff:ff:ff
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创建多个绑定

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系统会为每个绑定创建一个频道绑定接口，包括BONDING_OPTS指令。使用这个配置方法可让多个绑定设备使用不同的配置。请按照以下操作创建多个频道绑定接口：

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以下是频道绑定接口配置文件示例：

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1DEVICE=bondN\n2NAME=bondN\n3TYPE=Bond\n4BONDING_MASTER=yes\n5IPADDR=192.168.1.1\n6PREFIX=24\n7ONBOOT=yes\n8BOOTPROTO=none\n9BONDING_OPTS="bonding parameters separated by spaces"
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在这个示例中，使用绑定接口的号码替换N。例如要创建两个接口，则需要使用正确的IP地址创建两个配置文件ifcfg-bond0和ifcfg-bond1。

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