17
Static route FRR configuration example
Network requirements
As shown in Figure 5, configure static routes on Switch S, Switch A, and Switch D, and configure static
route FRR so when Link A becomes unidirectional, traffic can be switched to Link B immediately.
Figure 5 Network diagram
Configuration procedure
1. Configure IP addresses for interfaces. (Details not shown.)
2. Configure static routes FRR on link A:
# Configure a static route on Switch S, and specify VLAN-interface 100 as the backup output
interface and 12.12.12.2 as the backup next hop.
<SwitchS> system-view
[SwitchS] bfd echo-source-ip 4.4.4.4
[SwitchS] ip route-static 4.4.4.4 32 vlan-interface 200 13.13.13.2 backup-interface
vlan-interface 100 backup-nexthop 12.12.12.2
# Configure a static route on Switch D, and specify VLAN-interface 101 as the backup output
interface and 24.24.24.2 as the backup next hop.
<SwitchD> system-view
[SwitchD] bfd echo-source-ip 1.1.1.1
[SwitchD] ip route-static 1.1.1.1 32 vlan-interface 200 13.13.13.1 backup-interface
vlan-interface 101 backup-nexthop 24.24.24.2
3. Configure static routes on Switch A.
<SwitchA> system-view
[SwitchA] ip route-static 4.4.4.4 32 vlan-interface 101 24.24.24.4
[SwitchA] ip route-static 1.1.1.1 32 vlan-interface 100 12.12.12.1
Verifying the configuration
# Display route 4.4.4.4/32 on Switch S to view the backup next hop information.
[SwitchS] display ip routing-table 4.4.4.4 verbose
Summary Count : 1
Destination: 4.4.4.4/32
Protocol: Static Process ID: 0
SubProtID: 0x0 Age: 04h20m37s
Cost: 0 Preference: 60
Tag: 0 State: Active Adv
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