F3726, F3211, F3174, R5135, R3816-HP Firewalls and UTM Devices Network Management Configuration Guide-6PW100
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[RouterC-GigabitEthernet0/1] ospfv3 dr-priority 2
[RouterC-GigabitEthernet0/1] quit
# Display neighbor information on Firewall.
[Firewall] display ospfv3 peer
OSPFv3 Area ID 0.0.0.0 (Process 1)
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Neighbor ID Pri State Dead Time Interface Instance ID
2.2.2.2 0 2-Way/DROther 00:00:38 GE0/1 0
3.3.3.3 2 Full/Backup 00:00:32 GE0/1 0
4.4.4.4 1 Full/DR 00:00:36 GE0/1 0
The output shows that DR priorities have been updated, but the DR and BDR are not changed.
# Display neighbor information on Router A.
[RouterA] display ospfv3 peer
OSPFv3 Area ID 0.0.0.0 (Process 1)
----------------------------------------------------------------------
Neighbor ID Pri State Dead Time Interface Instance ID
1.1.1.1 100 Full/DROther 00:00:33 GE0/1 0
2.2.2.2 0 Full/DROther 00:00:36 GE0/1 0
3.3.3.3 2 Full/Backup 00:00:40 GE0/1 0
The output showst that Router A is still the DR.
4. Restart DR and BDR election:
# Use the shutdown and undo shutdown commands on interfaces to restart DR and BDR election.
(Details not shown.)
# Display neighbor information on Firewall.
[Firewall] display ospfv3 peer
OSPFv3 Area ID 0.0.0.0 (Process 1)
----------------------------------------------------------------------
Neighbor ID Pri State Dead Time Interface Instance ID
2.2.2.2 0 Full/DROther 00:00:31 GE0/1 0
3.3.3.3 2 Full/Backup 00:00:39 GE0/1 0
4.4.4.4 1 Full/DROther 00:00:37 GE0/1 0
The output shows that Router C becomes the BDR.
# Display neighbor information on Router A.
[RouterA] display ospfv3 peer
OSPFv3 Area ID 0.0.0.0 (Process 1)
----------------------------------------------------------------------
Neighbor ID Pri State Dead Time Interface Instance ID
1.1.1.1 100 Full/DR 00:00:34 GE0/1 0
2.2.2.2 0 2-Way/DROther 00:00:34 GE0/1 0
3.3.3.3 2 Full/Backup 00:00:32 GE0/1 0
The output shows that Firewall becomes the DR.
917BConfiguring OSPFv3 route redistribution
1741BNetwork requirements
• In 2955HFigure 394, Router A, Firewall, and Router B are in Area 2.