前言
在日常的网络管理和维护中，掌握华三（H3C）设备的配置命令是至关重要的。这些命令不仅可以帮助我们快速解决设备配置问题，还能提升网络运维的效率。鉴于此，准备了这篇文章，旨在分享一些常用且好用的华三配置命令。希望对初学者提供有价值的信息。接下来，让我们一起深入了解这些实用的命令吧
查看三层接口与IP相关的配置和统计信息
display ip interface [ interface-type interface-number ]
# 示例
[PE1]display ip interface GigabitEthernet 0/0
GigabitEthernet0/0 current state: UP // 接口当前的物理状态
Line protocol current state: UP // 接口数据链路层协议状态
Internet address is 12.1.1.1/24 Primary // 接口的IP地址
Broadcast address: 12.1.1.255 // 接口所在网段的广播地址
The Maximum Transmit Unit: 1500 bytes // 接口的最大传输单元，单位为字节
input packets : 0, bytes : 0, multicasts : 0
output packets : 0, bytes : 0, multicasts : 0
TTL invalid packet number: 0
ICMP packet input number: 0
Echo reply: 0
Unreachable: 0
Source quench: 0
Routing redirect: 0
Echo request: 0
Router advert: 0
Router solicit: 0
Time exceed: 0
IP header bad: 0
Timestamp request: 0
Timestamp reply: 0
Information request: 0
Information reply: 0
Netmask request: 0
Netmask reply: 0
Unknown type: 0
[PE1]
显示三层接口与IP相关的简要信息
display ip interface brief
# 示例
[PE1]display ip interface brief
*down: administratively down
(s): spoofing (l): loopback
Interface Physical Protocol IP address/Mask VPN instance Description
GE0/0 up up 12.1.1.1/24 VPN1 --
GE0/1 up up 23.1.1.2/24 -- --
GE0/2 down down -- -- --
GE5/0 down down -- -- --
GE5/1 down down -- -- --
GE6/0 down down -- -- --
GE6/1 down down -- -- --
Loop0 up up(s) 1.1.1.1/32 -- --
Ser1/0 down down -- -- --
Ser2/0 down down -- -- --
Ser3/0 down down -- -- --
Ser4/0 down down -- -- --
[PE1]
查看设备arp表项
# 显示所有的ARP表项
display arp all
# 示例
[PE1]display arp all
Type: S-Static D-Dynamic O-Openflow R-Rule M-Multiport I-Invalid
IP address MAC address VLAN/VSI name Interface/Link ID Aging Type
12.1.1.2 30a0-34c1-0105 -- GE0/0 12 D
23.1.1.1 30a0-3b23-0206 -- GE0/1 12 D
[PE1]
# 根据正则表达式匹配
[PE1]display arp | include 30a0-34c1-0105
12.1.1.2 30a0-34c1-0105 -- GE0/0 8 D
[PE1]
查看VPN实例路由表
# 查看VPN路由
display ip routing-table vpn-instance [VPN实例名称]
# 示例
[PE1]display ip routing-table vpn-instance VPN1
Destinations : 13 Routes : 13
Destination/Mask Proto Pre Cost NextHop Interface
0.0.0.0/32 Direct 0 0 127.0.0.1 InLoop0
10.1.1.0/24 Static 60 0 12.1.1.2 GE0/0
12.1.1.0/24 Direct 0 0 12.1.1.1 GE0/0
12.1.1.1/32 Direct 0 0 127.0.0.1 InLoop0
12.1.1.255/32 Direct 0 0 12.1.1.1 GE0/0
56.1.1.0/24 BGP 255 0 4.4.4.4 GE0/1
60.1.1.0/24 BGP 255 0 4.4.4.4 GE0/1
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
127.255.255.255/32 Direct 0 0 127.0.0.1 InLoop0
224.0.0.0/4 Direct 0 0 0.0.0.0 NULL0
224.0.0.0/24 Direct 0 0 0.0.0.0 NULL0
255.255.255.255/32 Direct 0 0 127.0.0.1 InLoop0
[PE1]
接口光电口转换命令
[RTA-GigabitEthernet0/1]display this
#
interface GigabitEthernet0/1
port link-mode route
combo enable copper // 双绞线端口|电口
ip address 192.168.1.1 255.255.255.0
#
return
[RTA-GigabitEthernet0/1]
[RTB-GigabitEthernet0/1]display this
#
interface GigabitEthernet0/1
port link-mode route
combo enable fiber // 光纤端口|光口
ip address 192.168.1.2 255.255.255.0
#
return
[RTB-GigabitEthernet0/1]
查看设备光口收发情况
dis transceiver diagnosis interface GigabitEthernet 1/0/1
查看设备光口告警情况
dis transceiver alarm interface GigabitEthernet 1/0/1
查看设备光口厂家
display transceiver manuinfo interface GigabitEthernet 1/0/1
查看光模块信息
dis transceiver interface GigabitEthernet 1/0/1
设备开启路径回显命令
ip ttl-expires enable
ip unreachables enable
