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AR500, AR510, and AR530 V200R007 Commands Reference

This document describes all the configuration commands of the device, including the command function, syntax, parameters, views, default level, usage guidelines, examples, and related commands.
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display interface description

display interface description

Function

The display interface description command displays the description of an interface.

Format

display interface description [ interface-type [ interface-number ] ]

Parameters

Parameter

Description

Value

interface-type [ interface-number ]

Displays the description of a specified interface.

If an interface type is specified but no interface number is specified, the description of all interfaces of the specified type is displayed.

-

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

The display interface command can also display the description of an interface. To quickly view the description of an interface, you are advised to use the display interface description command.

If no interface type is specified, the description of all interfaces is displayed. If an interface type is specified but no interface number is specified, the description of all interfaces of the specified type is displayed.

Example

# Display the description of Eth0/0/1.

<Huawei> display interface description ethernet 0/0/1
PHY: Physical                                                                   
*down: administratively down                                                    
(l): loopback                                                                   
(s): spoofing                                                                   
(b): BFD down                                                                   
^down: standby                                                                  
(e): ETHOAM down                                                                
Interface                     PHY     Protocol Description                      
Eth0/0/1                       *down   down     HUAWEI, AR Series, Ethernet0/0/1 Interface      
Table 4-6  Description of the display interface description command output

Item

Description

Interface

Type and number of an interface.

In V200R008C50 and later versions, if (v) is displayed behind an interface number, the interface is a virtual interface.

PHY

Physical status of an interface:
  • up: indicates that the interface is working properly.
  • down: indicates that the physical layer of the interface fails.
  • *down: Administratively Down, indicating that the administrator has run the shutdown command on the interface.
  • ^down: indicates that the interface is a backup interface.
  • (l): indicates that the loopback function is enabled on the interface.
  • (b): indicates that the physical layer of the interface is in BFD Down state.

Protocol

Link layer protocol status of the interface:
  • up: indicates that the interface is working properly.
  • down: indicates that the link layer protocol of the interface fails.
  • (l): indicates that the loopback function is enabled on the interface.
  • (s): indicates that the spoofing function is enabled on the interface.
  • (b): indicates that the link layer of the interface is in BFD Down state.
  • (e): indicates that the link layer of the interface is in EFM Down state.
  • --: indicates that the link layer protocol status of the interface is not obtained.

Description

Interface description.

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Updated: 2019-05-29

Document ID: EDOC1000097293

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