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Verifying the configuration
After all switches function correctly, perform a master/backup switchover on Switch A to trigger an
OSPFv3 GR operation.
OSPFv3 NSR configuration example
Network requirements
As shown in Figure 94, Switch S, Switch A, and Switch B belong to the same AS and OSPFv3 routing
domain. Enable OSPFv3 NSR on Switch S to ensure correct routing when an active/standby switchover
occurs on Switch S.
Figure 94 Network diagram
Configuration procedure
1. Configure IP addresses and subnet masks for interfaces on the switches. (Details not shown.)
2. Configure OSPFv3 on the switches to ensure that Switch S, Switch A, and Switch B can
communicate with each other at Layer 3. (Details not shown.)
3. Configure OSPFv3:
# On Switch A, enable OSPFv3, and set the router ID to 1.1.1.1.
<SwitchA> system-view
[SwitchA] ospfv3 1
[SwitchA-ospfv3-1] router-id 1.1.1.1
[SwitchA-ospfv3-1] quit
[SwitchA] interface vlan-interface 100
[SwitchA-Vlan-interface100] ospfv3 1 area 1
[SwitchA-Vlan-interface100] quit
# On Switch B, enable OSPFv3, and set the router ID to 2.2.2.2.
<SwitchB> system-view
[SwitchB] ospfv3 1
[SwitchB-ospfv3-1] router-id 2.2.2.2
[SwitchB-ospfv3-1] quit
[SwitchB] interface vlan-interface 200
[SwitchB-Vlan-interface200] ospfv3 1 area 1
[SwitchB-Vlan-interface200] quit
# On Switch S, enable OSPFv3, set the router ID to 3.3.3.3, and enable NSR.
<SwitchS> system-view
[SwitchS] ospfv3 1
[SwitchS-ospfv3-1] router-id 3.3.3.3
[SwitchS-ospfv3-1] non-stop-routing
[SwitchS-ospfv3-1] quit
[SwitchS] interface vlan-interface 100
[SwitchS-Vlan-interface100] ospfv3 1 area 1
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