Step – 1
Configure underline protocols (OSPF or EIGRP) on every routers….
R1
int f0/0
ip ospf 1 area 0
int f1/0
ip ospf 1 area 0
int f2/0
ip ospf 1 area 0
int f3/0
ip ospf 1 area 0
R2
int f0/0
ip ospf 1 area 0
R3
int f0/0
ip ospf 1 area 0
router eigrp 11111
net 10.1.143.0 0.0.0.255
no au
R4
int f1/0
ip ospf 1 area 0
R5
int f0/0
ip ospf 1 area 0
router eigrp 11111
net 10.1.175.0 0.0.0.255
net 10.1.185.0 0.0.0.255
no au
R6
router eigrp 11111
network 10.1.136.0 0.0.0.255
network 10.1.146.0 0.0.0.255
network 10.1.176.0 0.0.0.255
network 10.1.187.0 0.0.0.255
no auto-summary
R7
router eigrp 11111
net 10.1.78.0 0.0.0.255
net 10.1.227.0 0.0.0.255
net 10.1.247.0 0.0.0.255
no au
R8
router eigrp 11111
net 10.1.78.0 0.0.0.255
net 10.1.228.0 0.0.0.255
net 10.1.248.0 0.0.0.255
no au
R9
router eigrp 11111
net 10.1.219.0 0.0.0.255
no au
R10
router eigrp 11111
net 10.1.210.0 0.0.0.255
no au
R11
router eigrp 11111
net 10.1.231.0 0.0.0.255
no au
R12
router eigrp 11111
net 10.1.232.0 0.0.0.255
no au
R13
router eigrp 11111
net 10.1.135.0 0.0.0.255
net 10.1.136.0 0.0.0.255
no au
R14
router eigrp 11111
net 10.1.141.0 0.0.0.255
net 10.1.143.0 0.0.0.255
net 10.1.146.0 0.0.0.255
no au
R15
router eigrp 11111
network 10.1.135.0 0.0.0.255
network 15.15.15.0 0.0.0.255
no au
R16
router eigrp 11111
network 10.1.141.0 0.0.0.255
network 16.16.16.0 0.0.0.255
no auto-summary
R17
router eigrp 11111
network 10.1.175.0 0.0.0.255
network 10.1.176.0 0.0.0.255
network 10.1.178.0 0.0.0.255
network 10.1.179.0 0.0.0.255
no auto-summary
R18
router eigrp 11111
network 10.1.178.0 0.0.0.255
network 10.1.179.0 0.0.0.255
network 10.1.185.0 0.0.0.255
network 10.1.186.0 0.0.0.255
no auto-summary
R19
router eigrp 11111
network 10.1.179.0 0.0.0.255
network 19.19.19.0 0.0.0.255
no auto-summary
R20
router eigrp 11111
network 10.1.179.0 0.0.0.255
network 20.20.20.0 0.0.0.255
no auto-summary
R21
router eigrp 11111
network 10.1.210.0 0.0.0.255
network 10.1.212.0 0.0.0.255
network 10.1.214.0 0.0.0.255
network 10.1.219.0 0.0.0.255
no auto-summary
R22
router eigrp 11111
network 10.1.212.0 0.0.0.255
network 10.1.223.0 0.0.0.255
network 10.1.224.0 0.0.0.255
network 10.1.227.0 0.0.0.255
network 10.1.228.0 0.0.0.255
no auto-summary
R23
router eigrp 11111
network 10.1.223.0 0.0.0.255
network 10.1.231.0 0.0.0.255
network 10.1.232.0 0.0.0.255
network 10.1.234.0 0.0.0.255
no auto-summary
R24
router eigrp 11111
network 10.1.214.0 0.0.0.255
network 10.1.224.0 0.0.0.255
network 10.1.234.0 0.0.0.255
network 10.1.247.0 0.0.0.255
network 10.1.248.0 0.0.0.255
no auto-summary
Verify command #sh ip
route eigrp
You will see EIGRP
route on routers which run EIGRP …
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Step -2
Configure BGP
R1
router bgp 10001
neighbor 10.1.12.2 remote-as 10001
neighbor 10.1.13.3 remote-as 10001
neighbor 10.1.14.4 remote-as 10001
neighbor 10.1.15.5 remote-as 10001
R2
router bgp 10001
neighbor 10.1.12.1 remote-as 10001
neighbor 10.1.27.7 remote-as 11111
R3
router bgp 10001
neighbor 10.1.13.1 remote-as 10001
R4
router bgp 10001
neighbor 10.1.14.1 remote-as 10001
neighbor 10.1.48.8 remote-as 11111
R5
router bgp 10001
neighbor 10.1.15.1 remote-as 10001
R6
router bgp 30000
neighbor 10.1.67.7 remote-as 11111
neighbor 10.1.68.8 remote-as 11111
R7
router bgp 11111
neighbor 10.1.27.2 remote-as 10001
neighbor 10.1.67.6 remote-as 30000
neighbor 10.1.78.8 remote-as 11111
neighbor 10.1.227.22 remote-as 11111
neighbor 10.1.227.22 route-reflector-client
neighbor 10.1.227.22 next-hop-self
neighbor 10.1.247.24 remote-as 11111
neighbor 10.1.247.24 route-reflector-client
neighbor 10.1.247.24 next-hop-self
R8
router bgp 11111
neighbor 10.1.48.4 remote-as 10001
neighbor 10.1.68.6 remote-as 30000
neighbor 10.1.78.7 remote-as 11111
neighbor 10.1.228.22 remote-as 11111
neighbor 10.1.228.22 route-reflector-client
neighbor 10.1.228.22 next-hop-self
neighbor 10.1.248.24 remote-as 11111
neighbor 10.1.248.24 route-reflector-client
neighbor 10.1.248.24 next-hop-self
R9
router bgp 11111
network 9.9.9.0 mask 255.255.255.0
neighbor 10.1.219.21 remote-as 11111
R10
router bgp 11111
network 10.10.10.0 mask 255.255.255.0
neighbor 10.1.210.21 remote-as 11111
R11
router bgp 11111
network 11.11.11.0 mask 255.255.255.0
neighbor 10.1.231.23 remote-as 11111
R12
router bgp 11111
network 12.12.12.0 mask 255.255.255.0
neighbor 10.1.232.23 remote-as 11111
R21
router bgp 11111
neighbor 10.1.210.10 remote-as 11111
neighbor 10.1.210.10 route-reflector-client
neighbor 10.1.212.22 remote-as 11111
neighbor 10.1.214.24 remote-as 11111
neighbor 10.1.219.9 remote-as 11111
neighbor 10.1.219.9 route-reflector-client
R22
router bgp 11111
neighbor 10.1.212.21 remote-as 11111
neighbor 10.1.212.21 route-reflector-client
neighbor 10.1.223.23 remote-as 11111
neighbor 10.1.223.23 route-reflector-client
neighbor 10.1.224.24 remote-as 11111
neighbor 10.1.227.7 remote-as 11111
neighbor 10.1.228.8 remote-as 11111
R23
router bgp 11111
neighbor 10.1.223.22 remote-as 11111
neighbor 10.1.231.11 remote-as 11111
neighbor 10.1.231.11 route-reflector-client
neighbor 10.1.232.12 remote-as 11111
neighbor 10.1.232.12 route-reflector-client
neighbor 10.1.234.24 remote-as 11111
R24
router bgp 11111
neighbor 10.1.214.21 remote-as 11111
neighbor 10.1.214.21 route-reflector-client
neighbor 10.1.224.22 remote-as 11111
neighbor 10.1.234.23 remote-as 11111
neighbor 10.1.234.23 route-reflector-client
neighbor 10.1.247.7 remote-as 11111
neighbor 10.1.248.8 remote-as 11111
Verify with #sh ip bgp summary
Now all BGP neighbors are coming up…
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Step -3
-Configure Redistribute
R3
router eigrp 11111
redistribute bgp 10001 metric 1 1 1 1 1
router bgp 10001
redistribute eigrp 11111 metric 1
R5
router eigrp 11111
redistribute bgp 10001 metric 1 1 1 1 1
router bgp 10001
redistribute eigrp 11111 metric 1
R6
router eigrp 11111
redistribute bgp 30000 metric 1 1 1 1 1
router bgp 30000
redistribute eigrp 11111 metric 1
-
Verify #sh ip route bgp on R9, R10, R11, R12
-
Verify #sh ip route eigrp on R15, R16, R19, R20
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