display arp ip-conflict track

Function

The display arp ip-conflict track command displays records about IP address conflicts detected.

Format

display arp ip-conflict track

Parameters

None

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

Usage Scenario

IP address conflicts on a network will result in frequent route flapping on the device and greatly affect user services.

To quickly locate the conflicting IP addresses and better manage device IP addresses, you can run the display arp ip-conflict track command to check records about IP address conflicts detected.

Precautions

To make the display arp ip-conflict track command take effect, you must first run the arp ip-conflict-detect enable command in the system view to enable IP address conflict detection.

Example

# Display records about IP address conflicts detected.

<HUAWEI> display arp ip-conflict track
    Conflict type       : Remote IP conflict    
    IP address          : 10.1.1.1
    System time         : 2013-04-07 11:22:29
    Conflict count      : 1                        
    Suppress count      : 0
    Old interface       : GE0/0/1                 
    Receive interface   : GE0/0/2
    Old VLAN/CEVLAN     : 100/0                      
    Receive VLAN/CEVLAN : 100/0
    Old MAC             : 00e0-ca63-8141           
    Receive MAC         : 00e0-ca63-8142

    Conflict type       : Local IP confilct        
    IP address          : 192.168.10.1
    System time         : 2013-04-07 11:21:10
    Conflict count      : 1                        
    Suppress count      : 0
    Local interface     : Vlanif10                 
    Receive interface   : GE0/0/3
    Receive VLAN/CEVLAN : 10/0           
    Receive MAC         : 00e0-0000-0002

**Table 1** Description of the **display arp ip-conflict track** command output
Item	Description
Conflict type	IP address conflict type: Local IP conflict occurs between a local device and another device. Remote IP conflict occurs between devices and users attached to a local access device.
IP address	Conflicting IP address.
System time	System time when an IP address conflict occurs.
Conflict count	Number of IP address conflicts. NOTE: If the ARP entry mapping the IP address is aged or deleted, this field is set to zero.
Suppress count	Number of IP address conflict suppressions. NOTE: If the ARP entry mapping the IP address is aged or deleted, this field is set to zero.
Old interface	Interface recorded in the ARP entry mapping the IP address before a conflict.
Local interface	Interface in the ARP entry of the conflicting IP address.
Receive interface	Interface that receives ARP packet during a conflict.
Old VLAN/CEVLAN	VLAN and CE VLAN recorded in the ARP entry mapping the IP address before a conflict.
Receive VLAN/CEVLAN	VLAN and CE VLAN that receive ARP packets during a conflict.
Old MAC	MAC address recorded in the ARP entry mapping the IP address before a conflict.
Receive MAC	Source MAC address in the ARP packet received during a conflict.