How to configure EBGP on Cisco routers?
BASIC CONFIGURATION OF ROUTER-A
A(config)# interface serial 1/0
A(config-if)# ip address 1.0.0.1 255.0.0.0
A(config-if)# clock rate 64000
A(config-if)# no shutdown
A(config-if)# interface ethernet 2/0
A(config-if)# ip address 200.100.50.1 255.255.255.0
A(config-if)# no shutdown
BASIC CONFIGURATION OF ROUTER-B
B(config)# interface serial 1/1
B(config-if)# ip address 1.0.0.2 255.0.0.0
B(config-if)# no shutdown
B(config-if)# interface ethernet 2/0
B(config-if)# ip address 200.100.100.1 255.0.0.0
B(config-if)# no shutdown
RUNNING RIP ON ROUTER-A
A(config)# router rip
A(config-router)# network 1.0.0.0
A(config-router)# network 200.100.50.0
RUNNING OSPF ON ROUTER-B
B(config)# router ospf 1
B(config-router)# network 1.0.0.00.255.255.255 area0
B(config-router)# network 200.100.100.00.0.0.255 area0
ROUTING TABLE OF ROUTER-A & B
RUNNING BGP ON ROUTER-A
A(config)# router bgp 10 (10 = Autonomus System)
A(config-router)# neighbor 1.0.0.2 remote-as 20
A(config-router)# network 200.100.50.0
RUNNING BGP ON ROUTER-B
B(config)# router bgp 20 (20 = Autonomus System)
B(config-router)# neighbor 1.0.0.1 remote-as 10
B(config-router)# network 200.100.50.0
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