清空华为交换机接口配置命令

清空华为交换机接口配置的命令如下：

1. 进入接口视图

<HUAWEI> system-view
[HUAWEI] interface interface-type interface-number

2. 清空接口配置

[HUAWEI-interface-interface-number] undo ip address
[HUAWEI-interface-interface-number] undo dhcp select global
[HUAWEI-interface-interface-number] undo ip route-static
[HUAWEI-interface-interface-number] undo vlan assignment
[HUAWEI-interface-interface-number] undo service-policy input
[HUAWEI-interface-interface-number] undo service-policy output
[HUAWEI-interface-interface-number] undo traffic-policy
[HUAWEI-interface-interface-number] undo qos car

3. 退出接口视图

[HUAWEI-interface-interface-number] quit

需要注意的是，清空接口配置会将该接口的所有配置项都删除，包括IP地址、VLAN配置、路由配置、策略配置等。因此在执行该操作前，请确保已经备份了相关的配置，并确认清空操作不会影响到网络的正常运行。