display ospfv3 graceful-restart-information

Function

The display ospfv3 graceful-restart-information command displays the status of OSPFv3 GR.

Format

display ospfv3 [ process-id ] graceful-restart-information

Parameters

Parameter	Description	Value
process-id	Specifies the OSPFv3 process ID. If the process-id is not specified, the brief information about all OSPFv3 processes is displayed in an ascending order of the process ID.	The value is an integer that ranges from 1 to 65535.

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

None

Example

# Display the status of OSPFv3 GR.

<sysname> display ospfv3 graceful-restart-information

            OSPFv3 Router with ID (0.0.0.0) (Process 1)

  Graceful-restart capability      : enabled
  Graceful-restart support         : planned and unplanned, strict lsa check
  Grace-Period Configured          : 120 Sec
  Last Restart-exit Reason         : none

  Helper capability                : enabled
  Helper support                   : planned and unplanned, strict lsa check
  Max Grace-Period Configured      : 1800 Sec
  Last Helper-exit Reason          : none

**Table 1** Description of the **display ospfv3** **graceful-restart-information** command output
Item	Description
Graceful-restart capability	Indicates whether GR is enabled. enabled disabled
Graceful-restart support	Indicates the GR configuration feature. planned: indicates that only the planned GR is supported. un-planned: indicates that only the un-planned GR is supported. strict lsa check: indicates that the Helper supports strict external LSA check.
Grace-Period Configured	Indicates the GR period.
Last Restart-exit Reason	Indicates the reason for the Restart router exiting from GR last time: none: indicates that no GR is performed. successful: indicates that the device is successfully restarted through GR, and then exits from GR. topology change: indicates that the network topology changes. grace lsa not recv: indicates that no Grace-LSAs are received. grace period exp: indicates that the GR period expires. process reset: indicates that a parameter of the OSPFv3 process is reset during GR. hold timer expire: indicates that the hold timer expires. interface address deleted: indicates that the interface address is deleted. interface down: indicates that the interface goes Down. DR/BDR change on network: indicates that the DR or BDR on the network changes. Received route uninstall notification: indicates that the message indicating that OSPFv3 routes are not installed to the RM is received.
Helper capability	Indicates whether helper is enabled. enabled disabled
Helper support	Indicates the Helper Graceful-restart configuration feature. planned: indicates that only the planned GR is supported. un-planned: indicates that only the un-planned GR is supported. strict lsa check: indicates that the Helper supports strict external LSA check.
Max Grace-Period Configured	Indicates the GR period.
Last Helper-exit Reason	Indicates the reason for the Helper router exiting from GR last time. none: indicates that the router never enters the Helper mode since it starts. successful: indicates that the Helper successfully exits from GR. topology change: indicates that the network topology changes. interface id change: indicates that the interface ID changes. grace period exp: indicates that GR period expires. hold timer expire: indicates that the hold timer expires. interface address deleted: indicates that the interface address is deleted.