display vsi mac-withdraw loop-detect

Function

The display vsi mac-withdraw loop-detect command displays information about MAC withdraw loop detection.

Format

display vsi [ name vsi-name ] mac-withdraw loop-detect

Parameters

Parameter	Description	Value
name vsi-name	Specifies the name of a VSI.	The value is a string of 1 to 31 case-sensitive characters, spaces not supported. When double quotation marks are used around the string, spaces are allowed in the string.

Parameter

Description

Value

name vsi-name

Specifies the name of a VSI.

The value is a string of 1 to 31 case-sensitive characters, spaces not supported. When double quotation marks are used around the string, spaces are allowed in the string.

Views

All views

Default Level

1: Monitoring level

Task Name and Operations

Task Name	Operations
l2vpn	read

Usage Guidelines

Usage Scenario

To view information about MAC withdraw loop detection after you enable MAC withdraw loop detection, run the display vsi mac-withdraw loop-detect command. If you specify name <vsi-name>, the command output shows information about MAC withdraw loop detection in a specified VSI. If you do not specify name <vsi-name>, the command output shows information about MAC withdraw loop detection in all VSIs.

Example

The actual command output varies according to the device. The command output here is only an example.

# Display information about MAC withdraw loop detection in all VSIs.

<HUAWEI> display vsi mac-withdraw loop-detect
Total number of vsi detect loop is 2.
Support max hop 255.

Vsi name        : VSI1
Last loop type  : detect loop
Send peer       : 5.5.5.5
Receive peer    : 2.2.2.2
Last loop time  : 2012/10/26 11:35:59

Vsi name        : VSI2
Last loop type  : exceed max hop
Send peer       : 5.5.5.5
Receive peer    : 3.3.3.3
Last loop time  : 2012/10/26 11:35:59

# Display information about MAC withdraw loop detection in the VSI named VSI1.

<HUAWEI> display vsi name VSI1 mac-withdraw loop-detect
Vsi name        : VSI1
Last loop type  : detect loop
Send peer       : 5.5.5.5
Receive peer    : 2.2.2.2
Last loop time  : 2012/10/26 11:35:59

**Table 1** Description of the **display vsi mac-withdraw loop-detect** command output
Item	Description
Total number of vsi detect loop	Number of MAC Withdraw message loops.
Support max hop 255	The maximum number of hops supported by MAC Withdraw loop detection is 255.
Vsi name	Name of the VSI in which a MAC Withdraw message loop occurred.
Last loop type	Type of the MAC Withdraw message loop. The values are as follows: detect loop: The PE detects that a MAC Withdraw message loop occurs. exceed max hop: The number of hops for forwarding MAC Withdraw messages exceeds the maximum number of hops.
Last loop time	Time when the MAC Withdraw message loop occurs.
Send peer	Peer to which MAC Withdraw messages are sent.
Receive peer	Peer from which MAC Withdraw messages are received.