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Anti-BGP routing?

Source: Internet
Author: User
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R1: Configuration

En

Conf t

Int lo 0

Ip add 1.1.1.1 255.255.255.0

No shut

Exit

Int s0/0

Ip add 12.12.12.1 255.255.255.0

No shut

Clock rate 64000

Exit

Router VPN 1

No auto-summary

Network 12.12.12.0 255.255.255.0

Network 1.1.1.0 255.255.255.0

Exit

Router bgp 100

No auto-summary

No synchronization

Bgp 100

Bgp router-id 1.1.1.1

Neighbor 2.2.2.2 remote-as 100

Neighbor 2.2.2.2 update-source lo 0

Network 1.1.1.0 mask 255.255.255.0

Exit




R2: Configuration


En

Conf t

Int s0/0

Ip add 12.12.12.2 255.255.255.0

Clock rate 64000

No shut

Int lo 0

Ip add 2.2.2.2 255.255.255.0

Int s0/1

Ip add 23.23.23.2 255.255.255.0

No shut

Clock rate 64000

Exit

Router VPN 1

No auto-summary

Network 12.12.12.0 255.255.255.0

Network 23.23.23.0 255.255.255.0

Network 2.2.2.0 255.255.255.0

Exit

Router bgp 100

No auto-summary

No synchronization

Bgp router-id 2.2.2.2

Neighbor 1.1.1.1 remote-as 100

Neighbor 1.1.1.1 update-source lo 0

Neighbor 1.1.1.1 route-reflector-client

Neighbor 3.3.3.3 remote-as 100

Neighbor 3.3.3.3 update-source lo 0

Neighbor 3.3.3.3 route-reflector-client




R3: Configuration

En

Conf t

Int s0/1

Ip add 23.23.23.1 255.255.255.0

Ip add 23.23.23.1 255.255.255.0

No shut

Clock rate 64000

Exit

Int lo 0

Ip add 3.3.3.3 255.255.255.0

No shut

Exit

Int s0/0

Ip add 34.34.34.1 255.255.255.0

No shut

Clock rate 64-0

Clock rate 64000

Exit

Router VPN 1

No auto-summary

Network 23.23.23.0 255.255.255.0

Network 23.23.23.0 255.255.255.0

Network 3.3.3.0 255.255.255.0

Exit

Router bgp 100

No auto-summary

No synchronization

Bgp router-id 3.3.3.3

Neighbor 2.2.2.2 remote-as 100

Neighbor 2.2.2.2 update-source lo 0

Neighbor 2.2.2.2 next-hop-self

Neighbor 34.34.34.2 remote-as 200




R4: Configuration

En

Conf t

Int lo 0

Ip add 4.4.4.4 255.255.255.0

Int s0/0

Ip add 34.34.34.2 255.255.255.0

No shutclock rate 64000

Exit

Rouetr bgp 200

No synchronization

No auto-summary

Bgp router-id 4.4.4

Neighbor 34.34.34.1 remote-as 100

Network 4.4.4.0 mask 255.255.255.255.0


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