1️⃣查看版本及SN、MAC等信息
display version2️⃣查看物理端口信息
display interface brief3️⃣查看用户信息
display users4️⃣查看CPU、内存、风扇、电源使用情况
display cpu display memory display fan display power
5️⃣查看逻辑层（三层）接口信息
display ip interface brief6️⃣查看端口信息
display interface GigabitEthernet x/x/x7️⃣查看端口简要配置信息
display brief interface GigabitEthernet x/x/x8️⃣查看端口配置
display current-configuration interface GigabitEthernet x/x/x9️⃣查看当前的配置（非常好用）
display this????查看所有配置
display current-configuration1️⃣1️⃣查看光模块类型
dis transceiver interface GigabitEthernet X/X/X GigabitEthernet5/0/24 transceiver information: Transceiver Type : 1000_BASE_LX_SFP Connector Type : LC Wavelength(nm) : 1310 Transfer Distance(km) : 10(9um) Digital Diagnostic Monitoring : YES Vendor Name : H3C Ordering Name : SFP-GE-LX10-SM1310
1️⃣2️⃣查看光功率衰减大小
dis transceiver diagnosis interface GigabitEthernet X/X/X GigabitEthernetX/X/X transceiver diagnostic information: Current diagnostic parameters: Temp( Voltage(V) Bias(mA) RX power(dBm) TX power(dBm) 48 3.24 16.75 -8.54 -6.58