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# 首先我们先进行配置,PC机的IP地址,和子网掩码,不用配置网关地址
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# SW1
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<Huawei>sys
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Enter system view, return user view with Ctrl+Z.
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[Huawei]sys SW1
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[SW1]undo info en
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Info: Information center is disabled.
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[SW1]inter Eth-Trunk ?
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  <0-63>  Eth-Trunk interface number
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# trunk-id 用于唯一识别一个Eth-Trunk口
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# 该参数的取值可以是0-63之间的任何一个整数
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'✅对端设备的 Eth-Trunk 接口号不需要和本端相同,聚合能否成功与接口编号无关'
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[SW1]inter Eth-Trunk 1
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# 这条命令用于配置链路聚合,创建了一个Eth-Trunk口,并且进入到对应的视图
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[SW1-Eth-Trunk1]mode ?
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'进入到Eth-Trunk 后,先配置其模式'
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mode manual load-balance    # 手动负载分担配置
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mode lacp-static         # 静态LACP模式
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[SW1-Eth-Trunk1]mode manual load-balance
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# 设置为手动负载分担模式
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[SW1-Eth-Trunk1]q
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[SW1]inter g0/0/1
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[SW1-GigabitEthernet0/0/1]eth-trunk 1
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Info: This operation may take a few seconds. Please wait for a moment...done.
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# 将g0/0/1加入到eth-trunk 1口
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[SW1-GigabitEthernet0/0/1]inter g0/0/2
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[SW1-GigabitEthernet0/0/2]eth-trunk 1
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Info: This operation may take a few seconds. Please wait for a moment...done.
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# 将g0/0/2加入到eth-trunk 1口
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[SW1-GigabitEthernet0/0/2]inter g0/0/5
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[SW1-GigabitEthernet0/0/5]eth-trunk 1
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Info: This operation may take a few seconds. Please wait for a moment...done.
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'这样三个接口都加入到了eth-trunk 1口'
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--------------------------------
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# 我们还有一种把接口加入到eth-trunk口的方式
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inter Eth-Trunk 1
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# 先进入到eth-trunk口
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trunkport g0/0/1
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trunkport g0/0/2
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trunkport g0/0/5
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# 再把接口加入到里面
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--------------------------------
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[SW1-GigabitEthernet0/0/5]q
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[SW1]dis inter eth-trunk
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# 查看链路聚合信息
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Eth-Trunk1 current state : UP
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...................
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Current system time: 2026-01-30 09:46:59-08:00
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    Input bandwidth utilization  :    0%
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    Output bandwidth utilization :    0%
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-----------------------------------------------
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PortName                      Status      Weight
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-----------------------------------------------
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GigabitEthernet0/0/1          UP          1
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GigabitEthernet0/0/2          UP          1
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GigabitEthernet0/0/5          UP          1
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# 我们配置SW2
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[SW2]undo info en
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Info: Information center is disabled.
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[SW2]inter Eth-Trunk 1
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[SW2-Eth-Trunk1]mode manual load-balance
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[SW2-Eth-Trunk1]trunkport g0/0/1
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Info: This operation may take a few seconds. Please wait for a moment...done.
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[SW2-Eth-Trunk1]trunkport g0/0/2
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Info: This operation may take a few seconds. Please wait for a moment...done.
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[SW2-Eth-Trunk1]trunkport g0/0/5
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Info: This operation may take a few seconds. Please wait for a moment...done.
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'这里用了一种新的方法去把接口加入到Eth-Trunk口'
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[SW2-Eth-Trunk1]q
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[SW2]dis inter eth-trunk
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Eth-Trunk1 current state : UP
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.......
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-------------------------------------------------
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PortName                      Status      Weight
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-------------------------------------------------
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GigabitEthernet0/0/1          UP          1
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GigabitEthernet0/0/2          UP          1
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GigabitEthernet0/0/5          UP          1
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# 查看链路聚合信息
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# 测试一下
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PC>ping 10.0.1.2
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# PC1和PC2测试连通性
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Ping 10.0.1.2: 32 data bytes, Press Ctrl_C to break
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From 10.0.1.2: bytes=32 seq=1 ttl=128 time=78 ms
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From 10.0.1.2: bytes=32 seq=2 ttl=128 time=47 ms