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Fit AP V200R010C00 Command Reference

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
display arp interface

display arp interface

Function

The display arp interface command displays ARP mapping entries of a specified interface.

Format

display arp interface interface-type interface-number

Parameters

Parameter

Description

Value

interface-type interface-number

Specifies the type and number of an interface.

-

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

To monitor dynamic ARP entries or locate the faults in ARP, you can run this command to check the ARP entries.

Example

# Display all the ARP entries of VLANIF 10.

<Huawei> display arp interface vlanif 10
IP ADDRESS      MAC ADDRESS     EXPIRE(M) TYPE        INTERFACE   VPN-INSTANCE  
                                          VLAN                        
------------------------------------------------------------------------------  
192.168.78.1    dcd2-fcf9-b5ca            I -         Vlanif10                  
------------------------------------------------------------------------------  
Total:1         Dynamic:0       Static:0     Interface:1    
Table 6-23  Description of the display arp interface command output

Item

Description

IP ADDRESS

IP address in the ARP entry.

MAC ADDRESS

MAC address in the ARP entry.

EXPIRE(M)

Remaining lifetime of the ARP entry, in minutes.

TYPE

ARP entry type and slot ID of the LPU that obtains the entry. The entry type contains 3 bits. The first bit can be any of the following:
  • I: Interface, indicating the MAC address of the interface

  • D: Dynamic, indicating the dynamic entry obtained through the ARP packet

  • S: Static, indicating the static entry obtained through static configuration

The second bit can only be F, indicating that the entry is reported to the routing module, the route to this IP address is calculated, and entries in the FIB are correspondingly updated.
NOTE:

If the entry is not reported to the routing module, this field displays "-". For the ARP entry with the type as "I", this flag bit does not exist.

The third bit indicates the slot ID of the LPU that obtains the entry.
NOTE:

For the ARP entry with the type as "I" or "S", this field displays "-".

INTERFACE

Type and number of the interface that has learnt ARP entries.

VPN-INSTANCE

Name of the VPN instance to which the ARP entry belongs.

VLAN

ID of the VLAN to which the ARP entry belongs.

Total: 1

One ARP entrie exists in the ARP mapping table.

Dynamic: 0

No dynamic ARP entry exists in the ARP mapping table.

Static: 0

No static ARP entry exists in the ARP mapping table.

Interface: 1

One ARP entry of the local interface exists in the ARP mapping table.

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Updated: 2019-07-18

Document ID: EDOC1100064353

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