377
3.3.3.3 2 Full/BDR 00:00:35 0 Vlan200
4.4.4.4 1 Full/DR 00:00:33 0 Vlan200
# Display neighbor information on Switch D. Switch D is still the DR.
[SwitchD] display ospfv3 peer
OSPFv3 Process 1 with Router ID 4.4.4.4
Area: 0.0.0.0
-------------------------------------------------------------------------
Router ID Pri State Dead-Time InstID Interface
1.1.1.1 100 Full/DROther 00:00:30 0 Vlan100
2.2.2.2 0 Full/DROther 00:00:37 0 Vlan200
3.3.3.3 2 Full/BDR 00:00:31 0 Vlan100
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 Switch A. The output shows that Switch C becomes the BDR.
[SwitchA] display ospfv3 peer
OSPFv3 Process 1 with Router ID 1.1.1.1
Area: 0.0.0.0
-------------------------------------------------------------------------
Router ID Pri State Dead-Time InstID Interface
2.2.2.2 0 Full/DROther 00:00:36 0 Vlan200
3.3.3.3 2 Full/BDR 00:00:35 0 Vlan100
4.4.4.4 1 Full/DROther 00:00:33 0 Vlan200
# Display neighbor information on Switch D.
[SwitchD] display ospfv3 peer
OSPFv3 Process 1 with Router ID 4.4.4.4
Area: 0.0.0.0
-------------------------------------------------------------------------
Router ID Pri State Dead-Time InstID Interface
1.1.1.1 100 Full/DR 00:00:30 0 Vlan100
2.2.2.2 0 2-Way/DROther 00:00:37 0 Vlan200
3.3.3.3 2 Full/BDR 00:00:31 0 Vlan100
The output shows that Switch A becomes the DR.
OSPFv3 route redistribution configuration example
Network requirements
As shown in Figure 91:
• Switch A, Switch B, and Switch C are in Area 2.
• OSPFv3 process 1 and OSPFv3 process 2 run on Switch B. Switch B communicates with
Switch A and Switch C through OSPFv3 process 1 and OSPFv3 process 2.