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[SwitchC-rip-1] network 192.168.3.0
[SwitchC-rip-1] import-route static
[SwitchC-rip-1] quit
3. Configure BFD parameters on VLAN-interface 100 of Switch A.
[SwitchA] bfd session init-mode active
[SwitchA] bfd echo-source-ip 11.11.11.11
[SwitchA] interface vlan-interface 100
[SwitchA-Vlan-interface100] bfd min-transmit-interval 500
[SwitchA-Vlan-interface100] bfd min-receive-interval 500
[SwitchA-Vlan-interface100] bfd detect-multiplier 7
[SwitchA-Vlan-interface100] quit
[SwitchA] quit
4. Configure a static route on Switch C.
[SwitchC] ip route-static 120.1.1.1 24 null 0
Verifying the configuration
# Display the BFD session information on Switch A.
<SwitchA> display bfd session
Total Session Num: 1 Up Session Num: 1 Init Mode: Active
IPv4 Session Working Under Echo Mode:
LD SourceAddr DestAddr State Holdtime Interface
4 192.168.1.1 192.168.1.2 Up 2000ms Vlan100
# Display RIP routes destined for 120.1.1.0/24 on Switch A.
<SwitchA> display ip routing-table 120.1.1.0 24 verbose
Summary Count : 1
Destination: 120.1.1.0/24
Protocol: RIP Process ID: 1
SubProtID: 0x1 Age: 04h20m37s
Cost: 1 Preference: 100
Tag: 0 State: Active Adv
OrigTblID: 0x0 OrigVrf: default-vrf
TableID: 0x2 OrigAs: 0
NBRID: 0x26000002 LastAs: 0
AttrID: 0xffffffff Neighbor: 192.168.1.2
Flags: 0x1008c OrigNextHop: 192.168.1.2
Label: NULL RealNextHop: 192.168.1.2
BkLabel: NULL BkNextHop: N/A
Tunnel ID: Invalid Interface: Vlan-interface100
BkTunnel ID: Invalid BkInterface: N/A
The output shows that Switch A communicates with Switch C through VLAN-interface 100. Then the link
over VLAN-interface 100 fails.
# Display RIP routes destined for 120.1.1.0/24 on Switch A.
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