3Com 4510G - Page 350

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12.3.1.2/32 Direct 0 0 127.0.0.1 InLoop0
16.4.1.0/24 Direct 0 0 16.4.1.1 Vlan400
16.4.1.1/32 Direct 0 0 127.0.0.1 InLoop0
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
3) Configure route redistribution
# On Switch B, configure RIP 200 to redistribute direct routes and routes from RIP 100.
[SwitchB] rip 200
[SwitchB-rip-200] import-route rip 100
[SwitchB-rip-200] import-route direct
[SwitchB-rip-200] quit
# Display the routing table of Switch C.
[SwitchC] display ip routing-table
Routing Tables: Public
Destinations : 8 Routes : 8
Destination/Mask Proto Pre Cost NextHop Interface
10.2.1.0/24 RIP 100 1 12.3.1.1 Vlan200
11.1.1.0/24 RIP 100 1 12.3.1.1 Vlan200
12.3.1.0/24 Direct 0 0 12.3.1.2 Vlan200
12.3.1.2/32 Direct 0 0 127.0.0.1 InLoop0
16.4.1.0/24 Direct 0 0 16.4.1.1 Vlan400
16.4.1.1/32 Direct 0 0 127.0.0.1 InLoop0
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0
4) Configure an filtering policy to filter redistributed routes
# Configure ACL 2000 to filter routes redistributed from RIP 100 on Switch B, making the route
10.2.1.0/24 not advertised to Switch C.
[SwitchB] acl number 2000
[SwitchB-acl-basic-2000] rule deny source 10.2.1.1 0.0.0.255
[SwitchB-acl-basic-2000] rule permit
[SwitchB-acl-basic-2000] quit
[SwitchB] rip 200
[SwitchB-rip-200] filter-policy 2000 export rip 100
# Display the routing table of Switch C.
[SwitchC] display ip routing-table
Routing Tables: Public
Destinations : 7 Routes : 7
Destination/Mask Proto Pre Cost NextHop Interface
11.1.1.0/24 RIP 100 1 12.3.1.1 Vlan200
12.3.1.0/24 Direct 0 0 12.3.1.2 Vlan200
12.3.1.2/32 Direct 0 0 127.0.0.1 InLoop0
16.4.1.0/24 Direct 0 0 16.4.1.1 Vlan400
16.4.1.1/32 Direct 0 0 127.0.0.1 InLoop0
127.0.0.0/8 Direct 0 0 127.0.0.1 InLoop0
127.0.0.1/32 Direct 0 0 127.0.0.1 InLoop0