https://zhinan.sogou.com/guide/d316513379509.htm?ch=zn.xqy.related.pc
https://jingyan.baidu.com/article/4b52d70248e10dbc5d774b3c.html
查看所有接口概要信息：
display interface brief
[Huawei]dis interface brief
PHY: Physical
*down: administratively down
(l): loopback
(s): spoofing
(b): BFD down
(e): ETHOAM down
(dl): DLDP down
(d): Dampening Suppressed
InUti/OutUti: input utility/output utility
Interface PHY Protocol InUti OutUti inErrors outErrors
GigabitEthernet0/0/1 down down 0% 0% 0 0
GigabitEthernet0/0/2 down down 0% 0% 0 0
GigabitEthernet0/0/3 down down 0% 0% 0 0
GigabitEthernet0/0/4 down down 0% 0% 0 0
GigabitEthernet0/0/5 down down 0% 0% 0 0
GigabitEthernet0/0/6 down down 0% 0% 0 0
GigabitEthernet0/0/7 down down 0% 0% 0 0
GigabitEthernet0/0/8 down down 0% 0% 0 0
GigabitEthernet0/0/9 down down 0% 0% 0 0
GigabitEthernet0/0/10 down down 0% 0% 0 0
GigabitEthernet0/0/11 down down 0% 0% 0 0
GigabitEthernet0/0/12 down down 0% 0% 0 0
GigabitEthernet0/0/13 down down 0% 0% 0 0
GigabitEthernet0/0/14 down down 0% 0% 0 0
GigabitEthernet0/0/15 down down 0% 0% 0 0
GigabitEthernet0/0/16 down down 0% 0% 0 0
GigabitEthernet0/0/17 down down 0% 0% 0 0
GigabitEthernet0/0/18 down down 0% 0% 0 0
GigabitEthernet0/0/19 down down 0% 0% 0 0
GigabitEthernet0/0/20 down down 0% 0% 0 0
GigabitEthernet0/0/21 down down 0% 0% 0 0
GigabitEthernet0/0/22 down down 0% 0% 0 0
GigabitEthernet0/0/23 down down 0% 0% 0 0
GigabitEthernet0/0/24 down down 0% 0% 0 0
MEth0/0/1 down down 0% 0% 0 0
NULL0 up up(s) 0% 0% 0 0
Vlanif1 down down -- -- 0 0
[Huawei]
查看逻辑接口ip地址配置概况：
display ip interface brief
[Huawei]display ip interface brief
*down: administratively down
^down: standby
(l): loopback
(s): spoofing
The number of interface that is UP in Physical is 1
The number of interface that is DOWN in Physical is 2
The number of interface that is UP in Protocol is 1
The number of interface that is DOWN in Protocol is 2
Interface IP Address/Mask Physical Protocol
MEth0/0/1 unassigned down down
NULL0 unassigned up up(s)
Vlanif1 unassigned down down
[Huawei]
查看所有接口配置：
display current-configuration interface
[Huawei]display current-configuration interface
#
interface Vlanif1
#
interface MEth0/0/1
#
interface GigabitEthernet0/0/1
#
interface GigabitEthernet0/0/2
#
interface GigabitEthernet0/0/3
#
interface GigabitEthernet0/0/4
#
interface GigabitEthernet0/0/5
#
interface GigabitEthernet0/0/6
#
interface GigabitEthernet0/0/7
#
interface GigabitEthernet0/0/8
#
interface GigabitEthernet0/0/9
#
interface GigabitEthernet0/0/10
#
interface GigabitEthernet0/0/11
#
interface GigabitEthernet0/0/12
#
interface GigabitEthernet0/0/13
#
interface GigabitEthernet0/0/14
#
interface GigabitEthernet0/0/15
#
interface GigabitEthernet0/0/16
#
interface GigabitEthernet0/0/17
#
interface GigabitEthernet0/0/18
#
interface GigabitEthernet0/0/19
#
interface GigabitEthernet0/0/20
#
interface GigabitEthernet0/0/21
#
interface GigabitEthernet0/0/22
#
interface GigabitEthernet0/0/23
#
interface GigabitEthernet0/0/24
#
interface NULL0
#
return
[Huawei]
查看指定接口配置，例如g0/0/1：
display current-configuration interface g0/0/1
[Huawei]display current-configuration interface g0/0/1
#
interface GigabitEthernet0/0/1
#
return
[Huawei]
进入到指定接口下，再查看指定接口配置，例如g0/0/1：
interface g0/0/1
display this
[Huawei]interface g0/0/1
[Huawei-GigabitEthernet0/0/1]display this
#
interface GigabitEthernet0/0/1
#
return
[Huawei-GigabitEthernet0/0/1]quit
[Huawei]
如果交换机上配置了stp协议，可以查看接口角色等信息：
display stp brief
[Huawei]display stp brief
MSTID Port Role STP State Protection
[Huawei]
如果交换机上配置了vrrp协议，可以查看接口状态等信息：
display vrrp brief
[Huawei]display vrrp brief
查看哪些接口被划分到了哪个vlan：
display vlan
[Huawei]display vlan
The total number of vlans is : 1
--------------------------------------------------------------------------------
U: Up; D: Down; TG: Tagged; UT: Untagged;
MP: Vlan-mapping; ST: Vlan-stacking;
#: ProtocolTransparent-vlan; *: Management-vlan;
--------------------------------------------------------------------------------
VID Type Ports
--------------------------------------------------------------------------------
1 common UT:GE0/0/1(D) GE0/0/2(D) GE0/0/3(D) GE0/0/4(D)
GE0/0/5(D) GE0/0/6(D) GE0/0/7(D) GE0/0/8(D)
GE0/0/9(D) GE0/0/10(D) GE0/0/11(D) GE0/0/12(D)
GE0/0/13(D) GE0/0/14(D) GE0/0/15(D) GE0/0/16(D)
GE0/0/17(D) GE0/0/18(D) GE0/0/19(D) GE0/0/20(D)
GE0/0/21(D) GE0/0/22(D) GE0/0/23(D) GE0/0/24(D)
VID Status Property MAC-LRN Statistics Description
--------------------------------------------------------------------------------
1 enable default enable disable VLAN 0001
[Huawei]
查看路由表，可以看到接口ip、路由等信息：
display ip routing-table
[Huawei]display ip routing-table
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations : 2 Routes : 2
Destination/Mask Proto Pre Cost Flags NextHop Interface
127.0.0.0/8 Direct 0 0 D 127.0.0.1 InLoopBack0
127.0.0.1/32 Direct 0 0 D 127.0.0.1 InLoopBack0
[Huawei]