56
• Configure a static route destined for 100.1.1.1/24 and enable static route redistribution into RIP
on Switch C. This allows Switch A to learn two routes destined for 100.1.1.1/24 through
VLAN-interface 100 and VLAN-interface 200 respectively, and uses the one through
VLAN-interface 100.
• Enable BFD for RIP on VLAN-interface 100 of Switch A. When the link over VLAN-interface 100
fails, BFD can quickly detect the failure and notify RIP. RIP deletes the neighbor relationship
and route information learned on VLAN-interface 100, and uses the route destined for 100.1.1.1
24 through VLAN-interface 200.
Figure 13 Network diagram
Configuration procedure
1. Configure IP addresses for interfaces. (Details not shown.)
2. Configure basic RIP:
# Configure Switch A.
<SwitchA> system-view
[SwitchA] rip 1
[SwitchA-rip-1] version 2
[SwitchA-rip-1] undo summary
[SwitchA-rip-1] network 192.168.1.0
[SwitchA-rip-1] quit
[SwitchA] interface vlan-interface 100
[SwitchA-Vlan-interface100] rip bfd enable
[SwitchA-Vlan-interface100] quit
[SwitchA] rip 2
[SwitchA-rip-2] version 2
[SwitchA-rip-2] undo summary
[SwitchA-rip-2] network 192.168.2.0
[SwitchA-rip-2] quit
# Configure Switch B.
<SwitchB> system-view
[SwitchB] rip 1
[SwitchB-rip-1] version 2
[SwitchB-rip-1] undo summary
[SwitchB-rip-1] network 192.168.2.0
[SwitchB-rip-1] network 192.168.3.0
[SwitchB-rip-1] quit
Vlan-int100
192
.168.1.1/24
BFD
Switch A
Switch C
Vlan-int100
192.168.1.2/24
L2 switch
Vlan-int300
192.168.3.1/24
Vlan-int300
192.168.3.2/24
Vlan-int200
192.168.2.2/24
Vlan-int200
192.168.2.1/24
Switch B
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