华为交换机聚合口：Error: Error in changing trunk working mode. There is(are) port(s) in the trunk.

华为交换机聚合口：Error: Error in changing trunk working mode. There is(are) port(s) in the trunk.

1.错误现象：
Error: Error in changing trunk working mode. There is(are) port(s) in the trunk.
[sw1]int Eth-Trunk 1
[sw1-Eth-Trunk1]mode lacp-static
Error: Error in changing trunk working mode. There is(are) port(s) in the trunk.
[sw1-Eth-Trunk1

2.原因：
这是由于配置Eth-Trunk时优先配置了接口模式（trunk/access）并且将其应用到了接口，使该配置生效了。所以在这些trunk/access链路模式生效后，该交换机是不允许配置LACP的。由此就报了Error：Error in changing trunk working mode . There is(are) port(s) in the trunk。

3.解决方法：
将原有划归Eth-Trunk的物理接口清空配置，也就是undo掉所有属于Eth-Trunk 2的物理口的eth-trunk 2 命令，然后进入interface eth-trunk2 使用mode lacp-static命令。最后将该物理口加入到Eth-Trunk 2中来。
[sw1]int GigabitEthernet 0/0/1
[sw1-GigabitEthernet0/0/1]undo eth-trunk  
[sw1]int GigabitEthernet 0/0/2
[sw1-GigabitEthernet0/0/1]undo eth-trunk 

[sw1]int Eth-Trunk 1
[sw1-Eth-Trunk1]mo lacp-static

[sw1]int GigabitEthernet 0/0/1
[sw1-GigabitEthernet0/0/1]eth-trunk 1
[sw1]int GigabitEthernet 0/0/2
[sw1-GigabitEthernet0/0/2]eth-trunk 1

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