H3C Technologies H3C S12500-X Series Switches - Manual (Page 354)

340
[SwitchA-Vlan-interface100] quit
# Configure the router priority of VLAN-interface 200 as 0 on Switch B.
[SwitchB] interface vlan-interface 200
[SwitchB-Vlan-interface200] ospfv3 dr-priority 0
[SwitchB-Vlan-interface200] quit
# Configure the router priority of VLAN-interface 100 of Switch C as 2.
[SwitchC] interface Vlan-interface 100
[SwitchC-Vlan-interface100] ospfv3 dr-priority 2
[SwitchC-Vlan-interface100] quit
# Display neighbor information on Switch A. Router priorities have been updated, but the DR and
BDR are not changed.
[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 Interface Inst ID
2.2.2.2 0 2-Way/DROther 00:00:36 Vlan200 0
3.3.3.3 2 Full/Backup 00:00:35 Vlan200 0
4.4.4.4 1 Full/DR 00:00:33 Vlan200 0
# 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 Interface Inst ID
1.1.1.1 100 Full/DROther 00:00:30 Vlan100 0
2.2.2.2 0 Full/DROther 00:00:37 Vlan200 0
3.3.3.3 2 Full/Backup 00:00:31 Vlan100 0
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 Interface Inst ID
2.2.2.2 0 Full/DROther 00:00:36 Vlan200 0
3.3.3.3 2 Full/Backup 00:00:35 Vlan100 0
4.4.4.4 1 Full/DROther 00:00:33 Vlan200 0
# Display neighbor information on Switch D.