Route Redistribution an Overview and Configuration

Route Redistribution an overview

Route Redistribution is, where the routes are advertised from one routing protocol to another routing protocol. Route Redistribution supports the proprietary protocol, legacy equipment, or that merged with other networks using a different routing protocol.

How to Configure Route Redistribution with different Routing Protocols

Route Redistribution

Configuring the Router R1 Interfaces

Router> enable

Router# configure terminal

Enter configuration commands, one per line. End with CNTL / Z.

Router (config) # hostname R1

R1 (config) # interface serial 0/1/0

R1 (config-if) # ip address 1.0.0.1 255.0.0.0

R1 (config-if) #clock rate 64000

R1 (config-if) #keepalive 12

R1 (config-if) #no shutdown

%LINK-5-CHANGED: Interface Serial0/1/0, changed state to down

R1 (config-if) #exit

R1 (config) # interface fastethernet0/0

OR

R1 (config) # int fa0/0

R1 (config-if) # ip address 192.168.1.100 255.255.255.0

R1 (config-if) #no shutdown

Interface Status up

R1 (config-if) #exit

R1 (config) # ip dhcp pool ABC

R1 (dhcp-config) # default-router 192.168.1.100

R1 (dhcp-config) # network 192.168.1.0 255.255.255.0

R1 (dhcp-config) # end

R1#

Configuring the Router R2 Interfaces

Router> enable

Router# configure terminal

Enter configuration commands, one per line. End with CNTL / Z.

Router (config) # hostname R2

R2 (config) # interface serial 0/1/0

R2 (config-if) # ip address 1.0.0.2   255.0.0.0

R2 (config-if) #keepalive 12

R2 (config-if) #no shutdown

Interface Status up

R2 (config-if) #exit

R2 (config) # interface serial 0/1/1

R2 (config-if) # ip address 2.0.0.1 255.0.0.0

R2 (config-if) #clock rate 64000

R2 (config-if) #keepalive 12

R2 (config-if) #no shutdown

%LINK-5-CHANGED: Interface Serial0/1/1, changed state to down

R2 (config) # interface fastethernet0/0

OR

R2 (config) # int fa0/0

R2 (config-if) # ip address 192.168.2.100 255.255.255.0

R2 (config-if) #no shutdown

Interface Status up

R2 (config-if) #exit

R2 (config) # ip dhcp pool ABC

R2 (dhcp-config) # default-router 192.168.2.100

R2 (dhcp-config) # network 192.168.2.0 255.255.255.0

R2 (dhcp-config) # end

R2#

Configuring the Router R3 Interfaces

Router> enable

Router# configure terminal

Enter configuration commands, one per line. End with CNTL / Z.

Router (config) # hostname R3

R3 (config) # interface serial 0/1/1

R3 (config-if) # ip address 2.0.0.2 255.0.0.0

R3 (config-if) #keepalive 12

R3 (config-if) #no shutdown

Interface Status up

R3 (config-if) #exit

R3 (config) # interface fastethernet0/0

OR

R3 (config) # int fa0/0

R3 (config-if) # ip address 192.168.3.100 255.255.255.0

R3 (config-if) #no shutdown

Interface Status up

R3 (config-if) #exit

R3 (config) # ip dhcp pool ABC

R3 (dhcp-config) # default-router 192.168.3.100

R3 (dhcp-config) # network 192.168.3.0 255.255.255.0

R3 (dhcp-config) # end

R3#

Router R1, R2 and R3 routing table

Router R1

R1# show ip route

IP Route Status

R1#

Note: By default, in the router R1 routing table the two associated interfaces and directly connected networks are listed.

Router R2

R2# show ip route

IP Route Status

R2#

Note: By default, in the router R2 routing table the three associated interfaces and directly connected networks are listed.

Router R3

R3# show ip route

IP Route Status

R3#

Note: By default, in the router R3 routing table the two associated interfaces and directly connected networks are listed.

Configuring EIGRP on Router R1 and R2

Router R1

R1# configure terminal

R1 (config) #router eigrp 5

R1 (config-router) #network 192.168.1.0

R1 (config-router) #network 1.0.0.0

R1 (config-router) #end

R1#

Router R2

R2# configure terminal

R2 (config) #router eigrp 5

R2 (config-router) #network 192.168.2.0

R2 (config-router) #network 1.0.0.0

%DUAL-5-NBRCHANGE: IP-EIGRP 5: Neighbor 1.0.0.1 (Serial0/1/0) is up: new adjacency

R2 (config-router) #no auto-summary

R2 (config-router) #exit

Configuring RIPv2 on Router R2 and R3

Router R2

R2 (config) #router rip

R2 (config-router) #version 2

R2 (config-router) #network 2.0.0.0

R2 (config-router) #no auto-summary

R2 (config-router) #end

R2#

Router R3

R3# configure terminal

R3 (config) #router rip

R3 (config-router) #version 2

R3 (config-router) #no auto-summary

R3 (config-router) #network 192.168.3.0

R3 (config-router) #network 2.0.0.0

R3 (config-router) #end

R3#

Routing tables of Routers R1, R2, and R3

Router R1

R1# show ip route

IP Route Status

R1#

Router R2

R2# show ip route

IP Route Status

R2#

Router R3

R3# show ip route

IP Route Status

R3#

Redistribution of Routing Protocols on Router 2

R2#configure terminal

R2 (config) #router eigrp 5

R2 (config-router) #redistribute rip metric 1 1 255 255 1

R2 (config-router) #exit

R2 (config) #router rip

R2 (config-router) #redistribute eigrp 5 metric 1

R2 (config-router) #end

R2#

Ping Verification on Routers R1, R2, and R3

Router R1

R1# ping 192.168.3.1

Successful Ping Verification

R1# ping 192.168.2.1

Successful Ping Verification

R1#

Router R2

R2# ping 192.168.3.1

Successful Ping Verification

R2# ping 192.168.1.1

Successful Ping Verification

R2#

Router R3

R3# ping 192.168.1.1

Successful Ping Verification

R3# ping 192.168.2.1

Successful Ping Verification

R3#

Useful Commands on Router R2

R2# show ip protocols

IP Protocol Status

IP Protocol Status

R2#

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