User Manual

OSPF and OSPFv3
421
M6100, M5300, and M7100 Series Managed Switches
• Always. Indicates that OSPF performs a graceful restart for all planned and
unplanned warm restart events.
• Disabled. Disables OSPF performing graceful restarts.
• Planned. Indicates that OSPF performs a graceful restart only when a restart is
planned (for example, due to an initiate failover command).
The default is Disabled.
9. Configure the Restart Interval. The valid values are 0 to 1800 in seconds.
The default is 120 seconds.
10. Use the Helper Support Mode field to configure how the unit acts when a neighbor
performs a warm restart.
The possible values are as follows:
• Always. Indicates that OSPF helps a restarting neighbor only during all planned and
unplanned warm restart events.
• Disabled. Disables OSPF acting as a helpful neighbor.
• Planned. Indicates that OSPF helps a restarting neighbor only during planned
events.
The default is Always.
11. Configure Helper Strict LSA Checking by selecting Enable or Disable.
When enabled, the unit exits helper mode whenever the topology changes.
12. Click the Apply button.
The updated configuration is sent to the switch. Configuration changes take effect
immediately.
To refresh the screen with the latest information on the switch, click the Update button.
The following table describes the nonconfigurable data that is displayed.
Table 156. NSF OSPF Summary
Field Description
Restart Status The restart status of OSPF Helper feature. The possible values are as
follows:
• Not Restarting
• Planned Restart
• Unplanned Restart