H3C Technologies H3C S12500 Series Switches - Manual (Page 344)

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# Configure Switch C.
<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 100
[SwitchD-Vlan-interface100] ospfv3 1 area 0
[SwitchD-Vlan-interface100] quit
# Display neighbor information on Switch A. 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 State Dead Time Interface Instance ID
2.2.2.2 1 2-Way/DROther 00:00:36 Vlan100 0
3.3.3.3 1 Full/Backup 00:00:35 Vlan100 0
4.4.4.4 1 Full/DR 00:00:33 Vlan100 0
# Display neighbor information on Switch D. The neighbor states are all full.
[SwitchD] 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 1 Full/DROther 00:00:30 Vlan100 0
2.2.2.2 1 Full/DROther 00:00:37 Vlan100 0
3.3.3.3 1 Full/Backup 00:00:31 Vlan100 0
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 100 as 0 on Switch B.
[SwitchB] interface vlan-interface 100
[SwitchB-Vlan-interface100] ospfv3 dr-priority 0
[SwitchB-Vlan-interface100] quit
# Configure the DR priority of VLAN-interface 100 of Switch C as 2.
[SwitchC] interface Vlan-interface 100