3Com S7906E Configuration Manual page 882

<SwitchC> system-view
[SwitchC] ipv6
[SwitchC] ospfv3
[SwitchC-ospfv3-1] router-id 3.3.3.3
[SwitchC-ospfv3-1] quit
[SwitchC] interface vlan-interface 100
[SwitchC-Vlan-interface100] ospfv3 1 area 0
[SwitchC-Vlan-interface100] quit
# Configure Switch D.
<SwitchD> system-view
[SwitchD] ipv6
[SwitchD] ospfv3
[SwitchD-ospfv3-1] router-id 4.4.4.4
[SwitchD-ospfv3-1] quit
[SwitchD] interface vlan-interface 200
[SwitchD-Vlan-interface200] ospfv3 1 area 0
[SwitchD-Vlan-interface200] quit
# Display neighbor information on Switch A. You can find the switches have the same default DR priority
1. In this case, the switch with the highest Router ID is elected as the DR. Therefore, Switch D is the DR,
and Switch C is the BDR.
[SwitchA] display ospfv3 peer
OSPFv3 Area ID 0.0.0.0 (Process 1)
----------------------------------------------------------------------
Neighbor ID Pri
2.2.2.2 1
3.3.3.3 1
4.4.4.4 1
# Display neighbor information on Switch D. You can find the neighbor states are all full.
[SwitchD] display ospfv3 peer
OSPFv3 Area ID 0.0.0.0 (Process 1)
----------------------------------------------------------------------
Neighbor ID Pri
1.1.1.1 1
2.2.2.2 1
3.3.3.3 1
3) Configure DR priorities for interfaces.
# Configure the DR priority of VLAN-interface 100 as 100 on Switch A.
[SwitchA] interface Vlan-interface 100
[SwitchA-Vlan-interface100] ospfv3 dr-priority 100
[SwitchA-Vlan-interface100] quit
# Configure the DR 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 DR priority of VLAN-interface 100 of Switch C as 2.
State Dead Time
2-Way/DROther 00:00:36
Full/Backup 00:00:35
Full/DR 00:00:33
State Dead Time
Full/DROther 00:00:30
Full/DROther 00:00:37
Full/Backup 00:00:31
1-22
Interface Instance ID
Vlan200 0
Vlan100 0
Vlan200 0
Interface Instance ID
Vlan100 0
Vlan200 0
Vlan100 0