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Protocolo BGP ejemplo

hola *Configuración BGP básico * enable conf t hostname R1 # Configuración de interfaces interface s0/0/0 ip address 192.168.12.1 255.255.255.0 no shutdown exit interface s0/0/1 ip address 192.168.13.1 255.255.255.0 no sh…

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hola

*Configuración BGP básico *




enable

conf t

hostname R1



# Configuración de interfaces

interface s0/0/0

 ip address 192.168.12.1 255.255.255.0

 no shutdown

exit

interface s0/0/1

 ip address 192.168.13.1 255.255.255.0

 no shutdown

exit

interface s0/1/0

 ip address 192.168.14.1 255.255.255.0

 no shutdown

exit

interface g0/0

 ip address 10.1.1.1 255.255.255.0

 no shutdown

exit



# Configuración de BGP



router bgp 100

 neighbor 192.168.12.2 remote-as 200

 neighbor 192.168.13.2 remote-as 300

 neighbor 192.168.14.2 remote-as 400

 network 192.168.12.0 mask 255.255.255.0

 network 192.168.13.0 mask 255.255.255.0

 network 192.168.14.0 mask 255.255.255.0

 network 10.1.1.0 mask 255.255.255.0

exit



-------------------------------------R2----------------------------------------

enable

conf t

hostname R2



# Configuración de interfaces

interface s0/0/0

 ip address 192.168.12.2 255.255.255.0

 no shutdown

exit

interface s0/0/1

 ip address 192.168.23.1 255.255.255.0

 no shutdown

exit

interface s0/1/0

 ip address 192.168.24.1 255.255.255.0

 no shutdown

exit

interface g0/0

 ip address 10.2.2.1 255.255.255.0

 no shutdown

exit



# Configuración de BGP

router bgp 200

 neighbor 192.168.12.1 remote-as 100

 neighbor 192.168.23.2 remote-as 300

 neighbor 192.168.24.2 remote-as 600

 network 192.168.12.0 mask 255.255.255.0

 network 192.168.23.0 mask 255.255.255.0

 network 192.168.24.0 mask 255.255.255.0

 network 10.2.2.0 mask 255.255.255.0

exit

-------------------------------------R3----------------------------------------

enable

conf t

hostname R3



# Configuración de interfaces

interface s0/0/0

 ip address 192.168.13.2 255.255.255.0

 no shutdown

exit

interface s0/0/1

 ip address 192.168.23.2 255.255.255.0

 no shutdown

exit

interface g0/0

 ip address 10.3.3.1 255.255.255.0

 no shutdown

exit



# Configuración de BGP

router bgp 300

 neighbor 192.168.13.1 remote-as 100

 neighbor 192.168.23.1 remote-as 200

 network 192.168.13.0 mask 255.255.255.0

 network 192.168.23.0 mask 255.255.255.0

 network 10.3.3.0 mask 255.255.255.0

exit



-------------------------------------R4----------------------------------------

enable

conf t

hostname R4



# Configuración de interfaces

interface s0/0/0

 ip address 172.16.10.1 255.255.255.0

 no shutdown

exit

interface s0/0/1

 ip address 172.16.11.1 255.255.255.0

 no shutdown

exit

interface s0/1/0

 ip address 192.168.14.2 255.255.255.0

 no shutdown

exit

interface g0/0

 ip address 192.168.1.1 255.255.255.0

 no shutdown

exit



# Configuración de BGP

router bgp 400

 neighbor 172.16.10.2 remote-as 500

 neighbor 172.16.11.2 remote-as 600

 neighbor 192.168.14.1 remote-as 100

 network 172.16.10.0 mask 255.255.255.0

 network 172.16.11.0 mask 255.255.255.0

 network 192.168.14.0 mask 255.255.255.0

 network 192.168.1.0 mask 255.255.255.0

exit



-------------------------------------R5----------------------------------------

enable

conf t

hostname R5



# Configuración de interfaces

interface s0/0/0

 ip address 172.16.10.2 255.255.255.0

 no shutdown

exit

interface s0/0/1

 ip address 172.16.12.1 255.255.255.0

 no shutdown

exit

interface g0/0

 ip address 192.168.2.1 255.255.255.0

 no shutdown

exit



# Configuración de BGP

router bgp 500

 neighbor 172.16.10.1 remote-as 400

 neighbor 172.16.12.2 remote-as 600

 network 172.16.10.0 mask 255.255.255.0

 network 172.16.12.0 mask 255.255.255.0

 network 192.168.2.0 mask 255.255.255.0

exit



-------------------------------------R6----------------------------------------

enable

conf t

hostname R6



# Configuración de interfaces

interface s0/0/0

 ip address 172.16.11.2 255.255.255.0

 no shutdown

exit

interface s0/0/1

 ip address 172.16.12.2 255.255.255.0

 no shutdown

exit

interface s0/1/0

 ip address 192.168.24.2 255.255.255.0

 no shutdown

exit

interface g0/0

 ip address 192.168.3.1 255.255.255.0

 no shutdown

exit



# Configuración de BGP

router bgp 600

 neighbor 172.16.11.1 remote-as 400

 neighbor 172.16.12.1 remote-as 500

 neighbor 192.168.24.1 remote-as 200

 network 172.16.11.0 mask 255.255.255.0

 network 172.16.12.0 mask 255.255.255.0

 network 192.168.24.0 mask 255.255.255.0

 network 192.168.3.0 mask 255.255.255.0

exit









--------------------------------------

show run 

show ip route






** Configuración BGP avanzado **




-------------------------------------R1----------------------------------------

enable

conf t

hostname R1



# Configuración de interfaces

interface s0/0/0

 ip address 192.168.12.1 255.255.255.0

 no shutdown

exit

interface s0/0/1

 ip address 192.168.13.1 255.255.255.0

 no shutdown

exit

interface s0/1/0

 ip address 192.168.14.1 255.255.255.0

 no shutdown

exit

interface g0/0

 ip address 10.1.1.1 255.255.255.0

 no shutdown

exit



# Configuración de BGP

router bgp 100

 neighbor 192.168.12.2 remote-as 200

 neighbor 192.168.12.2 send-community

 neighbor 192.168.13.2 remote-as 300

 neighbor 192.168.13.2 send-community

 neighbor 192.168.14.2 remote-as 400

 neighbor 192.168.14.2 send-community

 network 192.168.12.0 mask 255.255.255.0

 network 192.168.13.0 mask 255.255.255.0

 network 192.168.14.0 mask 255.255.255.0

 network 10.1.1.0 mask 255.255.255.0

 bgp community new-format

 ip bgp-community new-format

exit



# Preferencia y negación de rutas

ip community-list 1 permit 100:100

ip community-list 2 deny 100:200



route-map PREFERENCIA permit 10

 match community 1

 set local-preference 200

exit

route-map NEGAR deny 10

 match community 2

exit



-------------------------------------R2----------------------------------------

enable

conf t

hostname R2



# Configuración de interfaces

interface s0/0/0

 ip address 192.168.12.2 255.255.255.0

 no shutdown

exit

interface s0/0/1

 ip address 192.168.23.1 255.255.255.0

 no shutdown

exit

interface s0/1/0

 ip address 192.168.24.1 255.255.255.0

 no shutdown

exit

interface g0/0

 ip address 10.2.2.1 255.255.255.0

 no shutdown

exit



# Configuración de BGP

router bgp 200

 neighbor 192.168.12.1 remote-as 100

 neighbor 192.168.12.1 send-community

 neighbor 192.168.23.2 remote-as 300

 neighbor 192.168.23.2 send-community

 neighbor 192.168.24.2 remote-as 600

 neighbor 192.168.24.2 send-community

 network 192.168.12.0 mask 255.255.255.0

 network 192.168.23.0 mask 255.255.255.0

 network 192.168.24.0 mask 255.255.255.0

 network 10.2.2.0 mask 255.255.255.0

exit



-------------------------------------R3----------------------------------------

enable

conf t

hostname R3



# Configuración de interfaces

interface s0/0/0

 ip address 192.168.13.2 255.255.255.0

 no shutdown

exit

interface s0/0/1

 ip address 192.168.23.2 255.255.255.0

 no shutdown

exit

interface g0/0

 ip address 10.3.3.1 255.255.255.0

 no shutdown

exit



# Configuración de BGP

router bgp 300

 neighbor 192.168.13.1 remote-as 100

 neighbor 192.168.13.1 send-community

 neighbor 192.168.23.1 remote-as 200

 neighbor 192.168.23.1 send-community

 network 192.168.13.0 mask 255.255.255.0

 network 192.168.23.0 mask 255.255.255.0

 network 10.3.3.0 mask 255.255.255.0

exit



-------------------------------------R4----------------------------------------

enable

conf t

hostname R4



# Configuración de interfaces

interface s0/0/0

 ip address 172.16.10.1 255.255.255.0

 no shutdown

exit

interface s0/0/1

 ip address 172.16.11.1 255.255.255.0

 no shutdown

exit

interface s0/1/0

 ip address 192.168.14.2 255.255.255.0

 no shutdown

exit

interface g0/0

 ip address 192.168.1.1 255.255.255.0

 no shutdown

exit



# Configuración de BGP

router bgp 400

 neighbor 172.16.10.2 remote-as 500

 neighbor 172.16.10.2 send-community

 neighbor 172.16.11.2 remote-as 600

 neighbor 172.16.11.2 send-community

 neighbor 192.168.14.1 remote-as 100

 neighbor 192.168.14.1 send-community

 network 172.16.10.0 mask 255.255.255.0

 network 172.16.11.0 mask 255.255.255.0

 network 192.168.14.0 mask 255.255.255.0

 network 192.168.1.0 mask 255.255.255.0

exit



-------------------------------------R5----------------------------------------

enable

conf t

hostname R5



# Configuración de interfaces

interface s0/0/0

 ip address 172.16.10.2 255.255.255.0

 no shutdown

exit

interface s0/0/1

 ip address 172.16.12.1 255.255.255.0

 no shutdown

exit

interface g0/0

 ip address 192.168.2.1 255.255.255.0

 no shutdown

exit



# Configuración de BGP

router bgp 500

 neighbor 172.16.10.1 remote-as 400

 neighbor 172.16.10.1 send-community

 neighbor 172.16.12.2 remote-as 600

 neighbor 172.16.12.2 send-community

 network 172.16.10.0 mask 255.255.255.0

 network 172.16.12.0 mask 255.255.255.0

 network 192.168.2.0 mask 255.255.255.0

exit



-------------------------------------R6----------------------------------------

enable

conf t

hostname R6



# Configuración de interfaces

interface s0/0/0

 ip address 172.16.11.2 255.255.255.0

 no shutdown

exit

interface s0/0/1

 ip address 172.16.12.2 255.255.255.0

 no shutdown

exit

interface s0/1/0

 ip address 192.168.24.2 255.255.255.0

 no shutdown

exit

interface g0/0

 ip address 192.168.3.1 255.255.255.0

 no shutdown

exit



# Configuración de BGP

router bgp 600

 neighbor 172.16.11.1 remote-as 400

 neighbor 172.16.11.1 send-community

 neighbor 172.16.12.1 remote-as 500

 neighbor 172.16.12.1 send-community

 neighbor 192.168.24.1 remote-as 200

 neighbor 192.168.24.1 send-community

 network 172.16.11.0 mask 255.255.255.0

 network 172.16.12.0 mask 255.255.255.0

 network 192.168.24.0 mask 255.255.255.0

 network 192.168.3.0 mask 255.255.255.0

exit






Configuración de BGP básico + ACl's




enable

conf t

hostname R1



# Configuración de interfaces

interface s0/0/0

 ip address 192.168.12.1 255.255.255.0

 ip access-group BLOCK_R2_TO_R1 in

 no shutdown

exit

interface s0/0/1

 ip address 192.168.13.1 255.255.255.0

 no shutdown

exit

interface s0/1/0

 ip address 192.168.14.1 255.255.255.0

 no shutdown

exit

interface g0/0

 ip address 10.1.1.1 255.255.255.0

 no shutdown

exit



ip access-list extended BLOCK_R2_TO_R1

 deny ip 10.2.2.0 0.0.0.255 10.1.1.0 0.0.0.255

 permit ip any any



# Configuración de BGP



router bgp 100

 neighbor 192.168.12.2 remote-as 200

 neighbor 192.168.13.2 remote-as 300

 neighbor 192.168.14.2 remote-as 400

 network 192.168.12.0 mask 255.255.255.0

 network 192.168.13.0 mask 255.255.255.0

 network 192.168.14.0 mask 255.255.255.0

 network 10.1.1.0 mask 255.255.255.0

exit



-------------------------------------R2----------------------------------------

enable

conf t

hostname R2



# Configuración de interfaces

interface s0/0/0

 ip address 192.168.12.2 255.255.255.0

 no shutdown

exit

interface s0/0/1

 ip address 192.168.23.1 255.255.255.0

 ip access-group BLOCK_R3_TO_R2 in

 no shutdown

exit

interface s0/1/0

 ip address 192.168.24.1 255.255.255.0

 no shutdown

exit

interface g0/0

 ip address 10.2.2.1 255.255.255.0

 no shutdown

exit



ip access-list extended BLOCK_R3_TO_R2

 deny ip 10.3.3.0 0.0.0.255 10.2.2.0 0.0.0.255

 permit ip any any



# Configuración de BGP

router bgp 200

 neighbor 192.168.12.1 remote-as 100

 neighbor 192.168.23.2 remote-as 300

 neighbor 192.168.24.2 remote-as 600

 network 192.168.12.0 mask 255.255.255.0

 network 192.168.23.0 mask 255.255.255.0

 network 192.168.24.0 mask 255.255.255.0

 network 10.2.2.0 mask 255.255.255.0

exit

-------------------------------------R3----------------------------------------

enable

conf t

hostname R3



# Configuración de interfaces

interface s0/0/0

 ip address 192.168.13.2 255.255.255.0

 no shutdown

exit

interface s0/0/1

 ip address 192.168.23.2 255.255.255.0

 ip access-group BLOCK_R4_TO_R3 in

 no shutdown

exit

interface g0/0

 ip address 10.3.3.1 255.255.255.0

 no shutdown

exit



ip access-list extended BLOCK_R4_TO_R3

 deny ip 192.168.1.0 0.0.0.255 10.3.3.0 0.0.0.255

 permit ip any any



# Configuración de BGP

router bgp 300

 neighbor 192.168.13.1 remote-as 100

 neighbor 192.168.23.1 remote-as 200

 network 192.168.13.0 mask 255.255.255.0

 network 192.168.23.0 mask 255.255.255.0

 network 10.3.3.0 mask 255.255.255.0

exit



-------------------------------------R4----------------------------------------

enable

conf t

hostname R4



# Configuración de interfaces

interface s0/0/0

 ip address 172.16.10.1 255.255.255.0

 no shutdown

exit

interface s0/0/1

 ip address 172.16.11.1 255.255.255.0

 no shutdown

exit

interface s0/1/0

 ip address 192.168.14.2 255.255.255.0

 no shutdown

exit

interface g0/0

 ip address 192.168.1.1 255.255.255.0

 no shutdown

exit



# Configuración de BGP

router bgp 400

 neighbor 172.16.10.2 remote-as 500

 neighbor 172.16.11.2 remote-as 600

 neighbor 192.168.14.1 remote-as 100

 network 172.16.10.0 mask 255.255.255.0

 network 172.16.11.0 mask 255.255.255.0

 network 192.168.14.0 mask 255.255.255.0

 network 192.168.1.0 mask 255.255.255.0

exit



-------------------------------------R5----------------------------------------

enable

conf t

hostname R5



# Configuración de interfaces

interface s0/0/0

 ip address 172.16.10.2 255.255.255.0

 no shutdown

exit

interface s0/0/1

 ip address 172.16.12.1 255.255.255.0

 no shutdown

exit

interface g0/0

 ip address 192.168.2.1 255.255.255.0

 no shutdown

exit



# Configuración de BGP

router bgp 500

 neighbor 172.16.10.1 remote-as 400

 neighbor 172.16.12.2 remote-as 600

 network 172.16.10.0 mask 255.255.255.0

 network 172.16.12.0 mask 255.255.255.0

 network 192.168.2.0 mask 255.255.255.0

exit



-------------------------------------R6----------------------------------------

enable

conf t

hostname R6



# Configuración de interfaces

interface s0/0/0

 ip address 172.16.11.2 255.255.255.0

 no shutdown

exit

interface s0/0/1

 ip address 172.16.12.2 255.255.255.0

 no shutdown

exit

interface s0/1/0

 ip address 192.168.24.2 255.255.255.0

 no shutdown

exit

interface g0/0

 ip address 192.168.3.1 255.255.255.0

 no shutdown

exit



# Configuración de BGP

router bgp 600

 neighbor 172.16.11.1 remote-as 400

 neighbor 172.16.12.1 remote-as 500

 neighbor 192.168.24.1 remote-as 200

 network 172.16.11.0 mask 255.255.255.0

 network 172.16.12.0 mask 255.255.255.0

 network 192.168.24.0 mask 255.255.255.0

 network 192.168.3.0 mask 255.255.255.0

exit


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