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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 track

display arp track

Function

The display arp track command displays changes of outbound interfaces in ARP entries learned by a VLANIF interface.

Format

display arp track

Parameters

None

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

Usage Scenario

If the outbound interfaces change in ARP entries learned by a VLANIF interface, traffic may be interrupted. In this case, run the display arp track command to check changes of outbound interfaces and time of changes.

Precautions

After the display arp track command is executed, changes of ARP entries are displayed in the following situations:
  • Outbound interfaces in dynamic ARP entries learnt by the VLANIF interface change to other interfaces.

  • No outbound interface is specified in the static ARP entries. The outbound interface changes to other interfaces.

  • Dynamic ARP entries or static ARP entries in which no VLAN ID or outbound interface is specified are deleted.

Changes of ARP entries cannot be displayed in the following situations:
  • ARP entries change on a non-VLANIF interface.

  • New ARP entries are learnt.

  • The VLAN ID and outbound interface are manually specified in static ARP entries.

Example

# Display changes of ARP entries.

<Huawei> display arp track
Operate Flags: M - Modify, D - Delete                                           
--------------------------------------------------------------------------------
Op IP-Address      MAC-Address    VLAN Old-Port     New-Port     System-Time    
--------------------------------------------------------------------------------
D  192.168.129.100 0053-6721-9e00 2001 GE0/0/0                   02-23 23:52:51+
08:00                                                                           
D  192.168.129.100 0053-6721-9e00 2001 GE0/0/0                   02-27 15:18:02+
08:00                                                                           
Table 6-29  Description of the display arp track command output

Item

Description

Op

Operation identifier.
  • M: Modify, indicating that the outbound interface changes.

  • D: Delete, indicating that the ARP entry is deleted.

IP-Address

IP address in the ARP entry.

MAC-Address

MAC address in the ARP entry.

VLAN

ID of the VLAN to which the VLANIF interface belongs.

Old-Port

Original outbound interface in the ARP entry.

New-Port

New outbound interface in the ARP entry.

System-Time

System time when the outbound interface changes.

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Updated: 2019-07-18

Document ID: EDOC1100064353

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