查看版本及SN、MAC等信息
display version
![H3C设备运维常用查询命令](https://www.hao0564.com/wp-content/uploads/2022/11/csj_20221112215350.png)
display device manuinfo
![H3C设备运维常用查询命令](https://www.hao0564.com/wp-content/uploads/2022/11/csj_20221112215634-1.png)
查看物理端口信息
display interface brief
![H3C设备运维常用查询命令](https://www.hao0564.com/wp-content/uploads/2022/11/csj_20221112220028.png)
查看用户信息
display users
![H3C设备运维常用查询命令](https://www.hao0564.com/wp-content/uploads/2022/11/csj_20221112220410.png)
查看CPU、内存、风扇、电源使用情况
![H3C设备运维常用查询命令](https://www.hao0564.com/wp-content/uploads/2022/11/csj_20221112220747.png)
查看逻辑层(三层)接口信息
![查看逻辑层(三层)接口信息](https://www.hao0564.com/wp-content/uploads/2022/11/csj_20221112220921.png)
查看端口信息
display interface GigabitEthernet x/x/x
![](https://www.hao0564.com/wp-content/uploads/2022/11/csj_20221112221121.png)
查看端口简要配置信息
display interface brief
![display brief interface](https://www.hao0564.com/wp-content/uploads/2022/11/csj_20221112221346.png)
查看端口配置
display current-configuration interface GigabitEthernet x/x/x
![](https://www.hao0564.com/wp-content/uploads/2022/11/csj_20221112221602.png)
查看当前的配置
display this
![](https://www.hao0564.com/wp-content/uploads/2022/11/csj_20221112221832.png)
查看所有配置
display current-configuration
![](https://www.hao0564.com/wp-content/uploads/2022/11/csj_20221112222022.png)
查看光模块类型
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
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
Ping命令使用
-a 指定源地址例:<H3C>ping -a 2.2.2.2 1.1.1.1 源地址目的地址
-c 指定发送报文的次数 例:<H3C>ping -c 2 1.1.1.1 //ping两次
-h 指定报文的TTL值,1~255,默认为255
-m 指定发送报文的时间间隔,1~65535,默认200毫秒
-r 记录路由,默认是不记录路由的
-s 指定所发送报文的长度,默认为56字节,20~8100
-t 指定超时时间,默认200毫秒,1~65535
ping -c 100 172.19.254.91 ping 100个包到192.19.254.91
![](https://www.hao0564.com/wp-content/uploads/2022/11/csj_20221113112651.png)
MAC及接口相关查询
display mac-address vlan 1 查看vlan 1 下的客户端MAC地址
display arp | include 192.168.22.199 查看IP对应的MAC地址
display arp | include 00d8-61ec-35e0 查看MAC对应的IP地址
arp max-learning-num 0 关闭vlan接口下MAC地址学习功能
display lldp neighbor-information list 交换机互连端口和设备
查看接口下IP及MAC地址
[门诊大楼1楼-vlan30]display arp interface g1/0/2
Type: S-Static D-Dynamic O-Openflow R-Rule M-Multiport I-Invalid
IP address MAC address VLAN/VSI name Interface Aging Type
192.168.22.102 6cb3-114b-7852 1 GE1/0/2 1148 D
![display arp interface g1/0/2](https://www.hao0564.com/wp-content/uploads/2022/11/csj_20230426174734.png)
1,[MER8300]display arp 192.168.20.177
Type: S-Static D-Dynamic O-Openflow R-Rule I-Invalid
IP address MAC address VLAN/VSI name Interface/Link ID Aging Type
192.168.20.177 5405-db00-f0d4 20 GE2/0 20 D
2,[MER8300]display lldp neighbor-information list
Chassis ID : * — — Nearest nontpmr bridge neighbor
# — — Nearest customer bridge neighbor
Default — — Nearest bridge neighbor
Local Interface Chassis ID Port ID System Name
GE0/3 00e2-6962-e4f3 eth0 iKuai-X86
GE2/0 a8c9-8ae6-4c21 GigabitEthernet1/0/23 门诊大楼1楼
GE2/1 鍒涗笘绾綉缁滃伐绋?d85e-d324-a100 –
3,[门诊大楼1楼-GigabitEthernet1/0/3]display mac-address 5405-db00-f0d4
MAC Address VLAN ID State Port/Nickname Aging
5405-db00-f0d4 20 Learned GE1/0/3 Y
查看接口工作模式
<H3C>dis int g1/0/25
GigabitEthernet1/0/28 current state: DOWN
IP Packet Frame Type: PKTFMT_ETHNT_2, Hardware Address: 586a-b1be-30dd
Description: GigabitEthernet1/0/25 Interface
Loopback is not set
Media type is optical fiber, Port hardware type is No connector // optical fiber代表接口工作模式为光口,twisted pair代表接口未电口
![H3C设备运维常用查询命令](https://www.hao0564.com/wp-content/uploads/2022/11/csj_20230406231042-1024x573.png)
查看告警信息:
display transceiver alarm interface ten-GigabitEthernet 1/0/25
查看光模块序列号:
display transceiver manuinfo interface ten-GigabitEthernet 1/0/25
查看型号等信息:
display transceiver interface ten-GigabitEthernet 1/0/25
查看光模块收发光功率:
display transceiver diagnosis interface ten-GigabitEthernet 1/0/25
- 查看是否环路
display mac-address mac-move
https://www.h3c.com/cn/d_202212/1739370_30005_0.htm#_Toc117868112
![](https://www.hao0564.com/wp-content/uploads/2022/11/csj_20240322104013-1024x646.jpg)
- 显示所有接口的状态和报文统计等信息
<Sysname> display interface link-info
Link: ADM – administratively down; Stby – standby
Protocol: (s) – spoofing
Interface Link Protocol InUsage OutUsage InErrs OutErrs
GE1/0/1 UP UP 10.09% 0% 0 0
NULL0 UP UP(s) 0% 0% 0 0
BAGG11 ADM DOWN — — — —
GE1/0/2 DOWN DOWN — — — —
lldp enable命令用来在接口上开启LLDP功能。
undo lldp enable命令用来在接口上关闭LLDP功能
lldp global enable命令用来全局开启LLDP功能。
undo lldp global enable命令用来全局关闭LLDP功能
查看物理接口的实时流量:display interface + 物理端口号
查看端口的total流量:show interface display
1,[MER8300]display arp 192.168.20.177
Type: S-Static D-Dynamic O-Openflow R-Rule I-Invalid
IP address MAC address VLAN/VSI name Interface/Link ID Aging Type
192.168.20.177 5405-db00-f0d4 20 GE2/0 20 D
2,[MER8300]display lldp neighbor-information list
Chassis ID : * — — Nearest nontpmr bridge neighbor
# — — Nearest customer bridge neighbor
Default — — Nearest bridge neighbor
Local Interface Chassis ID Port ID System Name
GE0/3 00e2-6962-e4f3 eth0 iKuai-X86
GE2/0 a8c9-8ae6-4c21 GigabitEthernet1/0/23 门诊大楼1楼
GE2/1 鍒涗笘绾綉缁滃伐绋?d85e-d324-a100 –
3,[门诊大楼1楼-GigabitEthernet1/0/3]display mac-address 5405-db00-f0d4
MAC Address VLAN ID State Port/Nickname Aging
5405-db00-f0d4 20 Learned GE1/0/3 Y
reset arp all
This will delete all entries. Continue? [Y/N]:
[H3C]interface range GigabitEthernet 0/0 to GigabitEthernet 0/1