457
Total Session Num: 1 Init Mode: Active
IPv6 Session Working Under Ctrl Mode:
Local Discr: 1441 Remote Discr: 1450
Source IP: FE80::20F:FF:FE00:1202 (link-local address of VLAN-interface 10 on
Switch A)
Destination IP: FE80::20F:FF:FE00:1200 (link-local address of VLAN-interface 10 on
Switch B)
Session State: Up Interface: Vlan10
Hold Time: 2319ms
# Display routes destined for 2001:4::0/64 on Switch A.
<SwitchA> display ipv6 routing-table 2001:4::0 64
Summary Count : 1
Destination: 2001:4::/64 Protocol : O_INTRA
NextHop : FE80::20F:FF:FE00:1200 Preference: 10
Interface : Vlan10 Cost : 1
The output information shows that Switch A communicates with Switch B through VLAN-interface 10.
The link over VLAN-interface 10 fails.
# Display routes to 2001:4::0/64 on Switch A.
<SwitchA> display ipv6 routing-table 2001:4::0 64
Summary Count : 1
Destination: 2001:4::/64 Protocol : O_INTRA
NextHop : FE80::BAAF:67FF:FE27:DCD0 Preference: 10
Interface : Vlan11 Cost : 2
The output shows that Switch A communicates with Switch B through VLAN-interface 11.
OSPFv3 FRR configuration example
Network requirements
As shown in Figure 108, Switch A, Switch B, and Switch C reside in the same OSPFv3 domain.
Configure OSPFv3 FRR so that when Link A fails, traffic is immediately switched to Link B.
Figure 108 Network diagram
Switch A Switch B
Switch C
Loop0
Vlan-int100
Vlan-int200
Vlan-int200
Vlan-int100
Vlan-int101
Vlan-int101
Loop0
Link A
Link B
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