R0106-HP MSR Router Series Layer 3 - IP Routing Command Reference(V7)

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Usage guidelines
OSPFv3 GR and OSPFv3 NSR are mutually exclusive. Do not configure the graceful-restart enable
command and the non-stop-routing command at the same time.
To prevent service interruption after a master/backup switchover, a GR restarter running OSPFv3 must
complete the following tasks:
• Keep the GR restarter forwarding entries stable during reboot.
• Establish all adjacencies and obtain complete topology information after reboot.
Examples
# Enable the GR capability for OSPFv3 process 1.
<Sysname> system-view
[Sysname] ospfv3 1
[Sysname-ospfv3-1] graceful-restart enable
Related commands
graceful-restart helper enable
graceful-restart helper enable
Use graceful-restart helper enable to enable the GR helper capability for OSPFv3.
Use undo graceful-restart helper enable to disable the GR helper capability for OSPFv3.
Syntax
graceful-restart helper enable
undo graceful-restart helper enable
Default
The GR helper capability for OSPFv3 is enabled.
Views
OSPFv3 view
Predefined user roles
network-admin
Usage guidelines
Upon receiving the Grace-LSA, the neighbors with the GR helper capability enter the helper mode (and
are called "GR helpers"). Then, the GR restarter retrieves its adjacencies and LSDB with the help of the
GR helpers.
Examples
# Enable the GR helper capability for OSPFv3 process 1.
<Sysname> system-view
[Sysname] ospfv3 1
[Sysname-ospfv3-1] graceful-restart helper enable
Related commands
graceful-restart enable