1134 CHAPTER 76: OSPF CONFIGURATION COMMANDS
Parameters nonstandard: Enables the non-IETF GR capability.
ietf: Enables the IETF GR capability.
Description Use the
graceful-restart command to enable the OSPF Graceful Restart
capability.
Use the
undo graceful-restart command to disable the OSPF Graceful Restart
capability.
By default, the OSPF Graceful Restart capability is disabled.
Note the following:
■ Enable Opaque LSA advertisement and reception with the opaque-capability
enable command before enabling the IETF GR capability for OSPF.
■ Before enabling the non-IETF GR capability for OSPF, enable OSPF LLS (link local
signaling) with the enable link-local-signaling command and OOB (out of
band resynchronization) with the enable out-of-band-resynchronization
command.
■ If the keywords nonstandard and ietf are not specified when OSPF GR is
enabled, nonstandard is the default.
Related commands: enable link-local-signaling, enable out-of-band-resynchronization,
opaque-capability enable.
Examples # Enable IETF Graceful Restart for OSPF process 1.
<Sysname> system-view
[Sysname] ospf 1
[Sysname-ospf-1] opaque-capability enable
[Sysname-ospf-1] graceful-restart ietf
# Enable non-IETF Graceful Restart for OSPF process 1.
<Sysname> system-view
[Sysname] ospf 1
[Sysname-ospf-1] enable link-local-signaling
[Sysname-ospf-1] enable out-of-band-resynchronization
[Sysname-ospf-1] graceful-restart nonstandard
graceful-restart help
Syntax graceful-restart help { acl-number | prefix prefix-list }
View OSPF view
Parameters acl-number: Basic or advanced ACL number, in the range 2000 to 3999.
prefix-list: Name of the specified IP prefix list, a string of 1 to 19 characters.
