display vrrp state-change interface vrid

Function

The display vrrp state-change interface vrid command enables the system to trace changes in the status of a specified VRRP group.

Format

display vrrp state-change interface { interface-name | interface-type interface-number } vrid virtual-router-id

Parameters

Parameter	Description	Value
interface-type	Displays changes in the status of a VRRP group on a specified interface.	-
interface-number	Displays changes in the status of a VRRP group on a specified interface.	-
virtual-router-id	Displays changes in the status of a VRRP group with a specified VRID.	The value is an integer ranging from 1 to 255.

Parameter

Description

Value

interface-type

Displays changes in the status of a VRRP group on a specified interface.

interface-number

Displays changes in the status of a VRRP group on a specified interface.

virtual-router-id

Displays changes in the status of a VRRP group with a specified VRID.

The value is an integer ranging from 1 to 255.

Views

All views

Default Level

1: Monitoring level

Task Name and Operations

Task Name	Operations
vrrp	read

Usage Guidelines

Usage Scenario

If a VRRP group does not work properly, the display vrrp state-change interface vrid command can be used to trace changes in the VRRP status. Information about the last 10 changes in the VRRP status can be displayed. The command output includes the time when the status changed, the statuses before and after the change, and change reasons.

Example

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

# Display changes in the status of VRRP group 1 on GE 0/1/1.1.

<DEVICE> display vrrp state-change interface gigabitethernet 0/1/1.1 vrid 1
Time                      SourceState   DestinationState     Reason
  ---------------------------------------------------------------
  2011-01-27 15:29:45       Backup        Master               Protocol timer expired
  2011-01-27 15:29:42       Initialize    Backup               Interface up

**Table 1** Description of the **display vrrp state-change interface vrid** command output
Item	Description
Time	Time when the VRRP status changed.
SourceState	Status before the change: Master. Backup. Initialize.
DestinationState	Status after the change: Master. Backup. Initialize.
Reason	Reason of the VRRP status change: Admin-vrrp drove. BFD configure deleted. CFM session down. CFM session up. EFM configure deleted. EFM session down. EFM session up. Interface up. Interface down. Ignore interface down. Llink BFD session down. Link BFD session up. Link BFD session deleted. Link BFD down-number changed. Peer BFD session down. Priority calculation. Protocol timer expired. Track interface. Track BFD session. No available active board. Active board restore. Protocol skew timer expired.