BGP + OSPF + EIGRP Full mesh 실습

 

Topology​

 

 

Commend

R1(config)#router bgp 100 // BGP as number 100

R1(config-router)#neighbor 10.1.12.2 remote-as 200 // next-hop remote-as 200

R1(config-router)#neighbor 10.1.16.6 remote-as 400 // next-hop remote-as 200

R1(config-router)#network 1.1.1.0 mask 255.255.255.0 // 자신 ip 광고

 

 

R2(config)#router ospf 1

R2(config-router)#network 2.2.2.0 0.0.0.255 area 0

R2(config-router)#network 10.1.23.0 0.0.0.255 area 0

R2(config)#router bgp 200

R2(config-router)#neighbor 10.1.12.1 remote-as 100 // eBGP

R2(config-router)#neighbor 3.3.3.3 remote-as 200

R2(config-router)#neighbor 3.3.3.3 update-source Loopback0

R2(config-router)#neighbor 3.3.3.3 next-hop-self

R2(config-router)#neighbor 4.4.4.4 remote-as 200 // iBGP 루프백 ID를 주어 장애방지

R2(config-router)#neighbor 4.4.4.4 update-source lo0 // 루프백을 잡음으로 인한 매핑 (인터페이스로 잡으면 필요x)

R2(config-router)#neighbor 4.4.4.4 next-hop-self

 

 

R3(config)#router ospf 1

R3(config-router)#network 3.3.3.0 0.0.0.255 area 0

R3(config-router)#network 10.1.23.0 0.0.0.255 area 0

R3(config-router)#network 10.1.34.0 0.0.0.255 area 0

R3(config)#router bgp 200

R3(config-router)# neighbor 2.2.2.2 remote-as 200

R3(config-router)# neighbor 2.2.2.2 update-source Loopback0

R3(config-router)#neighbor 4.4.4.4 remote-as 200

R3(config-router)#neighbor 4.4.4.4 update-source Loopback0

 

 

R4(config)#router ospf 1

R4(config-router)# network 4.4.4.0 0.0.0.255 area 0

R4(config-router)# network 10.1.34.0 0.0.0.255 area 0

R4(config)#router bgp 200

R4(config-router)#neighbor 2.2.2.2 remote-as 200

R4(config-router)#neighbor 2.2.2.2 update-source Loopback0

R4(config-router)#neighbor 2.2.2.2 next-hop-self

R4(config-router)#neighbor 3.3.3.3 remote-as 200

R4(config-router)#neighbor 3.3.3.3 update-source Loopback0

R4(config-router)#neighbor 3.3.3.3 next-hop-self

R4(config-router)#neighbor 10.1.45.5 remote-as 300

 

 

R5(config)#router bgp 300

R5(config-router)#neighbor 10.1.45.4 remote-as 200

R5(config-router)#neighbor 10.1.59.9 remote-as 400

R5(config-router)#network 5.5.5.0 mask 255.255.255.0

 

 

R6(config)#router eigrp 100

R6(config-router)#network 6.6.6.0 0.0.0.255

R6(config-router)#network 10.1.68.0 0.0.0.255

R6(config-router)#no auto-summary

R6(config)#router bgp 400

R6(config-router)#neighbor 7.7.7.7 remote-as 400

R6(config-router)#neighbor 7.7.7.7 update-source Loopback0

R6(config-router)#neighbor 7.7.7.7 next-hop-self

R6(config-router)#neighbor 8.8.8.8 remote-as 400

R6(config-router)#neighbor 8.8.8.8 update-source Loopback0

R6(config-router)#neighbor 8.8.8.8 next-hop-self

R6(config-router)#neighbor 9.9.9.9 remote-as 400

R6(config-router)#neighbor 9.9.9.9 update-source Loopback0

R6(config-router)#neighbor 9.9.9.9 next-hop-self

R6(config-router)#neighbor 10.1.16.1 remote-as 100

R6(config-router)#neighbor 10.1.16.1 next-hop-self

 

 

R7(config)#router eigrp 100

R7(config-router)#network 7.7.7.0 0.0.0.255

R7(config-router)#network 10.1.78.0 0.0.0.255

R7(config-router)#network 10.1.79.0 0.0.0.255

R7(config)#router bgp 400

R7(config-router)#neighbor 6.6.6.6 remote-as 400

R7(config-router)# neighbor 6.6.6.6 update-source Loopback0

R7(config-router)# neighbor 8.8.8.8 remote-as 400

R7(config-router)# neighbor 8.8.8.8 update-source Loopback0

R7(config-router)# neighbor 9.9.9.9 remote-as 400

R7(config-router)# neighbor 9.9.9.9 update-source Loopback0

 

 

R8(config)#router eigrp 100

R8(config-router)#network 8.8.8.0 0.0.0.255

R8(config-router)#network 10.1.68.0 0.0.0.255

R8(config-router)#network 10.1.78.0 0.0.0.255

R8(config)#router bgp 400

R8(config-router)# neighbor 6.6.6.6 remote-as 400

R8(config-router)# neighbor 6.6.6.6 update-source Loopback0

R8(config-router)# neighbor 7.7.7.7 remote-as 400

R8(config-router)# neighbor 7.7.7.7 update-source Loopback0

R8(config-router)# neighbor 9.9.9.9 remote-as 400

R8(config-router)# neighbor 9.9.9.9 update-source Loopback0

 

 

R9(config)#router eigrp 100

R9(config-router)# network 9.9.9.0 0.0.0.255

R9(config-router)# network 10.1.79.0 0.0.0.255

R9(config)#router bgp 400

R9(config-router)# neighbor 6.6.6.6 remote-as 400

R9(config-router)# neighbor 6.6.6.6 update-source Loopback0

R9(config-router)# neighbor 6.6.6.6 next-hop-self

R9(config-router)# neighbor 7.7.7.7 remote-as 400

R9(config-router)# neighbor 7.7.7.7 update-source Loopback0

R9(config-router)# neighbor 7.7.7.7 next-hop-self

R9(config-router)# neighbor 8.8.8.8 remote-as 400

R9(config-router)# neighbor 8.8.8.8 update-source Loopback0

R9(config-router)# neighbor 8.8.8.8 next-hop-self

R9(config-router)# neighbor 10.1.59.5 remote-as 300

R9(config-router)# neighbor 10.1.59.5 next-hop-self