3Com Switch 8800 Advanced Software V5 Configuration Guide

OSPFv3 Configuration Examples 367
# Display OSPFv3 routing table information on Switch D. You can find route
entries are reduced. All non direct routes are removed except the default route.
[SwitchD] display ospfv3 routing
E1 - Type 1 external route, IA - Inter area route, I - Intra area route
E2 - Type 2 external route, * - Selected route
OSPFv3 Router with ID (4.4.4.4) (Process 1)
------------------------------------------------------------------------
*Destination: ::/0
Type : IA Cost : 11
NextHop : FE80::F40D:0:93D0:1 Interface: Vlan400
*Destination: 2001:2::/64
Type : I Cost : 1
NextHop : directly-connected Interface: Vlan400
Configuring OSPFv3 DR
Election
Network requirements
In the following figure:
■ The priority of Switch A is 100, the highest priority on the network, so it will be
the DR.
■ The priority of Switch C is 2, the second highest priority on the network, so it
will be the BDR.
■ The priority of Switch B is 0, so it cannot become the DR.
■ RouterD has the default priority 1.
n
Tunnels must be created between switches to configure OSPFv3 and form OSPFv3
neighbor relationships. For related information, refer to
“BPDU Tunneling
Configuration” on page 149.
Network diagram
Figure 110 Network diagram for OSPFv3 DR election configuration
Configuration procedure
1 Configure IPv6 addresses for interfaces (omitted)
2 Configure OSPFv3 basic functions
# Configure Switch A
Switch A
Switch C
Switch B
Switch D
Vlan-int100
2001::1/64
Vlan-int200
2001::2/64
Vlan-int100
2001::3/64
Vlan-int200
2001::4/64