dis cur 查看所有配置
dis arp 查看所有IP地址
dis arp | include 192.168.1.100 查看某个IP地址
dis mac-address | include aaaa-bbbb-cccc 查看某个mac地址
dis lldp neighbor brif 查看相邻的接口设备信息
dis cpu-usage 查看CPU利用率
dis memory-usage 查看内存利用率
dis interface bri 查看物理接口状态
dis ip interface bri 查看vlan接口ip
进入接口，开启环回监测
[Huawei]loopback-detect enable //使能所有接口的Loopback Detection功能
[Huawei]loopback-detect packet-interval 5 //配置Loopback Detection检测报文的发送周期,缺省为5秒
[Huawei-GigabitEthernet0/0/1]loopback-detect recovery-time 25 //配置环回消失后接口的恢复时间,缺省将在3个报文发送周期内自动恢复
[Huawei]display loopback-detect //查看环回检测的配置信息和接口状态
[Huawei-GigabitEthernet0/0/1]loopback-detect enable //使能该接口的Loopback Detection功能
[Huawei-GigabitEthernet0/0/1]loopback-detect packet vlan 10 //配置对指定的VLAN进行环路检测
[Huawei]loopback-detect packet-interval 5 //配置Loopback Detection检测报文的发送周期,缺省为5秒
[Huawei-GigabitEthernet0/0/1]loopback-detect action trap //配置手工模式的Loopback Detection处理动作, 缺省为shutdown
[Huawei-GigabitEthernet0/0/1]loopback-detect action block
[Huawei-GigabitEthernet0/0/1]loopback-detect action nolearn
[Huawei-GigabitEthernet0/0/1]loopback-detect action shutdown
