BigIron RX Series Configuration Guide 73553-1002253-01Displaying OSPF information 25Configuring OSPF graceful restart timerThe OSPF graceful restart timer specifies the maximum amount of time an OSPF restarting routerwill take to re-establish OSPF adjacencies and relearn OSPF routes. This value will be sent to theneighboring routers in the grace LSA packets. Configure the timer by entering a command such asthe following.BigIron RX(config-ospf-router)#graceful-restart restart-time 120Syntax: graceful-restart restart-time Enter 10 – 1800 for seconds. The default is 120.Displaying OSPF graceful restart informationDisplaying if OSPF graceful restart is enabledUse the show ip ospf data grace-link-state and the show ip ospf neighbor commands to displayinformation about OSPF graceful restart.The following is an example of what the show ip ospf data grace-link-state command that isdisplayed during a restart event. The output is blank if the report is requested while the OSPFrouter is in normal operation.The show ip ospf neighbor command displays the following information during normal operation.The show ip ospf neighbor command displays the following information during a restart event on ahelper router. Note the "" entry appears only during restart. It does notappear once restart is complete.BigIron RX# show ip ospf data grace-link-stateArea Interface Router ID Type Age Restart-Time Seq0 3/27 12.1.0.14 9 27 120 0x800000010 v31 12.1.0.14 9 27 120 0x800000010 v32 12.1.0.14 9 27 120 0x800000010 v33 12.1.0.14 9 27 120 0x800000010 v34 12.1.0.14 9 27 120 0x80000001BigIron RX# show ip ospf neighborPort Address Pri State Neigh Address Neigh ID Ev Opt Cnt3/1 30.1.0.5 0 FULL/OTHER 30.1.0.13 30.0.0.13 5 2 03/27 25.27.0.8 1 FULL/DR 25.27.0.14 12.1.0.14 20 2 0v31 21.23.0.5 1 FULL/DR 21.23.0.14 12.1.0.14 15 2 0v32 22.24.0.5 1 FULL/DR 22.24.0.14 12.1.0.14 15 2 0v33 23.25.0.5 1 FULL/DR 23.25.0.14 12.1.0.14 15 2 0v34 24.26.0.5 1 FULL/DR 24.26.0.14 12.1.0.14 15 2 0
