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Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 4.x
OL-20002-02
Chapter 6 Configuring OSPFv2
Configuring Advanced OSPFv2
The following example shows how to control LSA flooding with the lsa-group-pacing option:
switch# config t
switch(config)# router ospf 201
switch(config-router)# timers lsa-group-pacing 300
switch(config-router)# copy running-config startup-config
Configuring Graceful Restart
Graceful restart is enabled by default. You can configure the following optional parameters for graceful
restart in an OSPFv2 instance:
• Grace period—Configures how long neighbors should wait after a graceful restart has started before
tearing down adjacencies.
• Helper mode disabled—Disables helper mode on the local OSPFv2 instance. OSPFv2 will not
participate in the graceful restart of a neighbor.
• Planned graceful restart only—Configures OSPFv2 to support graceful restart only in the event of a
planned restart.
BEFORE YOU BEGIN
Ensure that you have enabled the OSPF feature (see the “Enabling the OSPFv2 Feature” section on
page 6-14).
Ensure that all neighbors are configured for graceful restart with matching optional parameters set.
Ensure that you are in the correct VDC (or use the switchto vdc command).
SUMMARY STEPS
1. config t
2. router ospf instance-tag
3. graceful-restart
4. graceful-restart grace-period seconds
5. graceful-restart helper-disable
6. graceful-restart planned-only
7. show ip ospf instance-tag
8. copy running-config startup-config
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