Graceful-Restart Help - H3C MSR 20-20 Command Reference Manual

1134 C 76: OSPF C
HAPTER
Parameters
Description
Related commands:
Examples

graceful-restart help

Syntax
View
Parameters
C
ONFIGURATION OMMANDS
nonstandard: Enables the non-IETF GR capability.
ietf: Enables the IETF GR capability.
Use the
graceful-restart
capability.
Use the undo 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.
enable link-local-signaling, enable out-of-band-resynchronization,
opaque-capability enable.
# 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 { acl-number | prefix prefix-list }
OSPF view
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.
command to enable the OSPF Graceful Restart
command to disable the OSPF Graceful Restart