HP 3600 v2 series Configuration Manual page 131

[SwitchA-ospf-100] return
# Configure Switch B as the GR Helper: enable the link-local signaling capability and the out-of-band
re-synchronization capability for OSPF process 100.
[SwitchB-ospf-100] enable link-local-signaling
[SwitchB-ospf-100] enable out-of-band-resynchronization
# Configure Switch C as the GR Helper: enable the link-local signaling capability and the out-of-band
re-synchronization capability for OSPF process 100.
[SwitchC-ospf-100] enable link-local-signaling
[SwitchC-ospf-100] enable out-of-band-resynchronization
Verify the configuration.
4.
# After the configurations on Switch A, Switch B, and Switch C are completed and the switches are
running steadily, enable OSPF Graceful Restart event debugging and then restart the OSPF process using
GR on Switch A.
<SwitchA> debugging ospf event graceful-restart
<SwitchA> terminal monitor
<SwitchA> terminal debugging
<SwitchA> reset ospf 100 process graceful-restart
Warning : Reset OSPF process? [Y/N]:y
%Dec 12 09:36:12:500 2006 SwitchA RM/3/RMLOG:OSPF-NBRCHANGE: Process 100, Neighbour
192.1.1.1(Vlan100) from Full to Down
OSPF 100: Intf 192.1.1.1 Rcv InterfaceDown State BackupDR -> Down.
OSPF 100 nonstandard GR Started for OSPF Router
OSPF 100 notify RM that OSPF process will enter GR.
OSPF 100 created GR wait timer, timeout interval is 40(s).
OSPF 100 created GR Interval timer,timeout interval is 120(s).
OSPF 100: Intf 192.1.1.1 Rcv InterfaceUp State Down -> Waiting.
OSPF 100: Intf 192.1.1.1 Rcv BackupSeen State Waiting -> BackupDR.
OSPF 100 created OOB Progress timer for neighbor 192.1.1.2.
OSPF 100 restarted OOB Progress timer for neighbor 192.1.1.2.
OSPF 100 restarted OOB Progress timer for neighbor 192.1.1.2.
%Oct 22 09:36:12:566 2008 SwitchA RM/3/RMLOG:OSPF-NBRCHANGE: Process 100, Neighbour
192.1.1.2(Vlan100) from Loading to Full
OSPF 100 restarted OOB Progress timer for neighbor 192.1.1.2.
OSPF 100 deleted OOB Progress timer for neighbor 192.1.1.2.
OSPF 100 Gr Wait Timeout timer fired.
OSPF 100 deleted GR wait timer.
OSPF 100 deleted GR Interval timer.
OSPF 100 GR Completed for OSPF Router
OSPF 100 notified RM that OSPF process left GR.
RM notified that all protocol left GR.
OSPF 100 started flushing STALE LSA after all protocol left GR.
OSPF 100: Flush Stale Area LSAs
OSPF 100: Start Flush Stale ASE + NSSA LSAs
OSPF 100: End Flush Stale ASE + NSSA LSAs
Switch A completes GR with the help of Switch B.
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