BGP lab

BGP LAB_001

Interface Configuration

##R1##

R1(config)#int g0/0

R1(config-if)#ip add 10.0.0.1 255.255.255.252

R1(config-if)#no shut

R1(config-if)#int g0/1

R1(config-if)#ip add 172.10.0.254 255.255.255.0

R1(config-if)#no shut

##R2##

R2(config)#int g0/0

R2(config-if)#ip add 10.0.0.2 255.255.255.252

R2(config-if)#no shut

R2(config-if)#int g0/1

R2(config-if)#ip add 20.0.0.1 255.255.255.0

R2(config-if)#no shut

R2(config-if)#int g0/2

R2(config-if)#ip add 172.10.1.254 255.255.255.0

R2(config-if)#no shut

##R3##

R3(config)#int g0/0

R3(config-if)#ip add 20.0.0.2 255.255.255.252

R3(config-if)#no shut

R3(config-if)#int g0/1

R3(config-if)#ip add 172.10.2.254 255.255.255.0

R3(config-if)#no shut

Enable eBGP on all routers

##R1##

R1(config)#router bgp 100

R1(config-router)#neighbor 10.0.0.2 remote-as 200

R1(config-router)#network 172.10.0.0 mask 255.255.255.0

##R2##

R2(config)#router bgp 200

R2(config-router)#neighbor 10.0.0.1 remote-as 100

R2(config-router)#neighbor 20.0.0.2 remote-as 300

R2(config-router)#network 172.10.1.0 mask 255.255.255.0

##R3##

R1(config)#router bgp 300

R1(config-router)#neighbor 20.0.0.1 remote-as 200

R1(config-router)#network 172.10.2.0 mask 255.255.255.0

Troubleshooting

sh ip protocols

sh ip route

sh ip route bgp

sh ip bgp

sh ip bgp summary

sh run | sec bgp

sh ip bgp nei

sh tcp brief

BGP LAB_002

Interface Configuration

##R1##

R1(config)#int g0/0

R1(config-if)#ip add 10.0.0.1 255.255.255.252

R1(config-if)#no shut

R1(config-if)#int g0/1

R1(config-if)#ip add 40.0.0.1 255.255.255.252

R1(config-if)#no shut

R1(config-if)#int g0/2

R1(config-if)#ip add 172.10.0.254 255.255.255.0

R1(config-if)#no shut

##R2##

R2(config)#int g0/0

R2(config-if)#ip add 10.0.0.2 255.255.255.252

R2(config-if)#no shut

R2(config-if)#int g0/1

R2(config-if)#ip add 20.0.0.1 255.255.255.252

R2(config-if)#no shut

R2(config-if)#int g0/2

R2(config-if)#ip add 172.10.1.254 255.255.255.0

R2(config-if)#no shut

##R3##

R3(config)#int g0/0

R3(config-if)#ip add 20.0.0.2 255.255.255.252

R3(config-if)#no shut

R3(config-if)#int g0/1

R3(config-if)#ip add 30.0.0.1 255.255.255.252

R3(config-if)#no shut

R3(config-if)#int g0/2

R3(config-if)#ip add 172.10.2.254 255.255.255.0

R3(config-if)#no shut

##R4##

R4(config)#int g0/0

R4(config-if)#ip add 30.0.0.2 255.255.255.252

R4(config-if)#no shut

R4(config-if)#int g0/1

R4(config-if)#ip add 40.0.0.2 255.255.255.252

R4(config-if)#no shut

R4(config-if)#int g0/2

R4(config-if)#ip add 172.10.3.254 255.255.255.0

R4(config-if)#no shut

!!!!!!!!!!!!!Enable iBGP!!!!!!!!!!!!!!!

##R1##

R1(config)#router bgp 100

R1(config-router)#neighbor 10.0.0.2 remote-as 100

R1(config-router)#neighbor 40.0.0.2 remote-as 100

R1(config-router)#net 172.10.0.0 mask 255.255.255.0

##R2##

R2(config)#router bgp 100

R2(config-router)#neighbor 10.0.0.1 remote-as 100

R2(config-router)#neighbor 20.0.0.2 remote-as 100

R2(config-router)#net 172.10.1.0 mask 255.255.255.0

##R3##

R3(config)#router bgp 100

R3(config-router)#neighbor 20.0.0.1 remote-as 100

R3(config-router)#neighbor 30.0.0.2 remote-as 100

R3(config-router)#net 172.10.2.0 mask 255.255.255.0

##R4##

R4(config)#router bgp 100

R4(config-router)#neighbor 30.0.0.1 remote-as 100

R4(config-router)#neighbor 40.0.0.1 remote-as 100

R4(config-router)#net 172.10.3.0 mask 255.255.255.0

Trobuleshooting

BGP LAB_003

For Loopback and Route Reflector

Interface Configuration

##R1##

R1(config)#int g0/0

R1(config-if)#ip add 10.0.0.1 255.255.255.252

R1(config-if)#no shut

R1(config-if)#int g0/1

R1(config-if)#ip add 40.0.0.1 255.255.255.252

R1(config-if)#no shut

R1(config-if)#int g0/2

R1(config-if)#ip add 172.10.0.254 255.255.255.0

R1(config-if)#no shut

R1(config-if)#int lo 0

R1(config-if)#ip add 1.1.1.1 255.255.255.255

##R2##

R2(config)#int g0/0

R2(config-if)#ip add 10.0.0.2 255.255.255.252

R2(config-if)#no shut

R2(config-if)#int g0/1

R2(config-if)#ip add 20.0.0.1 255.255.255.252

R2(config-if)#no shut

R2(config-if)#int g0/2

R2(config-if)#ip add 172.10.1.254 255.255.255.0

R2(config-if)#no shut

R2(config-if)#int lo 0

R2(config-if)#ip add 2.2.2.2 255.255.255.255

##R3##

R3(config)#int g0/0

R3(config-if)#ip add 20.0.0.2 255.255.255.252

R3(config-if)#no shut

R3(config-if)#int g0/1

R3(config-if)#ip add 30.0.0.1 255.255.255.252

R3(config-if)#no shut

R3(config-if)#int g0/2

R3(config-if)#ip add 172.10.2.254 255.255.255.0

R3(config-if)#no shut

R3(config-if)#int lo 0

R3(config-if)#ip add 3.3.3.3 255.255.255.255

R3(config-if)#no shut

##R4##

R4(config)#int g0/0

R4(config-if)#ip add 30.0.0.2 255.255.255.252

R4(config-if)#no shut

R4(config-if)#int g0/1

R4(config-if)#ip add 40.0.0.2 255.255.255.252

R4(config-if)#no shut

R4(config-if)#int g0/2

R4(config-if)#ip add 172.10.3.254 255.255.255.0

R4(config-if)#no shut

R4(config)#int lo 0

R4(config-if)#ip add 4.4.4.4 255.255.255.255

R4(config-if)#no shut

Enable OSPF

R1(config)#router ospf 1

R1(config)#net 10.0.0.0 0.0.0.3 area 0

R1(config)#net 40.0.0.0 0.0.0.3 area 0

R1(config)#net 172.10.0.0 0.0.0.255 area 0

R1(config)#net 1.1.1.1 0.0.0.0 area 0

R2(config)#router ospf 1

R2(config)#net 10.0.0.0 0.0.0.3 area 0

R2(config)#net 20.0.0.0 0.0.0.3 area 0

R2(config)#net 172.10.1.0 0.0.0.255 area 0

R2(config)#net 2.2.2.2 0.0.0.0 area 0

R3(config)#router ospf 1

R3(config)#net 30.0.0.0 0.0.0.3 area 0

R3(config)#net 20.0.0.0 0.0.0.3 area 0

R3(config)#net 172.10.2.0 0.0.0.255 area 0

R3(config)#net 3.3.3.3 0.0.0.0 area 0

R4(config)#router ospf 1

R4(config)#net 30.0.0.0 0.0.0.3 area 0

R4(config)#net 40.0.0.0 0.0.0.3 area 0

R4(config)#net 172.10.3.0 0.0.0.255 area 0

R4(config)#net 4.4.4.4 0.0.0.0 area 0

Enable BGP

R1(config)#router bgp

R1(config-router)#neighbor 2.2.2.2 remote-as 100

R1(config-router)#neighbor 2.2.2.2 update-source lo 0

R1(config-router)#neighbor 2.2.2.2 route-reflector-client

R1(config-router)# neighbor 3.3.3.3 remote-as 100

R1(config-router)#neighbor 3.3.3.3 update-source lo 0

R1(config-router)#neighbor 3.3.3.3 route-reflector-client

R1(config-router)# neighbor 4.4.4.4 remote-as 100

R1(config-router)#neighbor 4.4.4.4 update-source lo 0

R1(config-router)#neighbor 4.4.4.4 route-reflector-client

BGP LAB_004

Interface Configurtaion

conf t

int g0/0

ip add 10.0.0.1 255.255.255.252

no shut

exit

int g0/1

ip add 10.0.0.5 255.255.255.252

no shut

exit

int g0/2

ip add 172.10.0.254 255.255.255.0

no shut

exit

int lo 0

ip add 1.1.1.1 255.255.255.255

no shut

exit

do write mem

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

##R2##

conf t

int g0/0

ip add 10.0.0.2 255.255.255.252

no shut

exit

int g0/1

ip add 20.0.0.1 255.255.255.252

no shut

exit

int lo 0

ip add 2.2.2.2 255.255.255.255

no shut

exit

do write mem

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

##R3##

conf t

int g0/0

ip add 10.0.0.6 255.255.255.252

no shut

exit

int g0/1

ip add 20.0.0.5 255.255.255.252

no shut

exit

int lo 0

ip add 3.3.3.3 255.255.255.255

no shut

exit

do write mem

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

##R4##

conf t

int g0/0

ip add 20.0.0.2 255.255.255.252

no shut

exit

int g0/1

ip add 30.0.0.1 255.255.255.252

no shut

exit

int lo 0

ip add 4.4.4.4 255.255.255.255

no shut

exit

do write mem

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

##R5##

conf t

int g0/0

ip add 20.0.0.6 255.255.255.252

no shut

exit

int g0/1

ip add 40.0.0.1 255.255.255.252

no shut

exit

int lo 0

ip add 5.5.5.5 255.255.255.255

no shut

exit

do write mem

-----------

##R6##

conf t

int g0/0

ip add 10.0.0.1 255.255.255.252

no shut

exit

int g0/1

ip add 10.0.0.5 255.255.255.252

no shut

exit

int g0/2

ip add 172.10.0.254 255.255.255.0

no shut

exit

int lo 0

ip add 1.1.1.1 255.255.255.255

no shut

exit

do write mem

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

##R7##

conf t

int g0/0

ip add 40.0.0.2 255.255.255.252

no shut

exit

int g0/1

ip add 172.30.0.254 255.255.255.0

no shut

exit

int lo 0

ip add 7.7.7.7 255.255.255.255

no shut

exit

do write mem

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!OSPF ENABLE!!!!!!!!!!!!!!!

##R1##

router ospf 1

router-id 1.1.1.1

net 1.1.1.1 0.0.0.0 area 0

net 10.0.0.0 0.0.0.3 area 0

net 10.0.0.4 0.0.0.3 area 0

##R2##

router ospf 1

router-id 2.2.2.2

net 2.2.2.2 0.0.0.0 area 0

net 10.0.0.0 0.0.0.3 area 0

##R3##

router ospf 1

router-id 3.3.3.3

net 3.3.3.3 0.0.0.0 area 0

net 10.0.0.4 0.0.0.3 area 0

##R4##

router ospf 1

router-id 4.4.4.4

net 4.4.4.4 0.0.0.0 area 0

net 30.0.0.0 0.0.0.3 area 0

##R5##

router ospf 1

router-id 5.5.5.5

net 5.5.5.5 0.0.0.0 area 0

net 40.0.0.0 0.0.0.3 area 0

##R6##

router ospf 1

router-id 6.6.6.6

net 6.6.6.6 0.0.0.0 area 0

net 30.0.0.0 0.0.0.3 area 0

##R7##

router ospf 1

router-id 7.7.7.7

net 7.7.7.7 0.0.0.0 area 0

net 40.0.0.0 0.0.0.3 area 0

BGP LAB_005

Interface Configuration

##R1##

conf t

int g0/0

ip add 10.0.0.1 255.255.255.252

no shut

int g0/1

ip add 40.0.0.1 255.255.255.252

no shut

int g0/2

ip add 172.10.0.254 255.255.255.0

no shut

exit

do write mem

##R2##

conf t

int g0/0

ip add 10.0.0.2 255.255.255.252

no shut

int g0/1

ip add 20.0.0.1 255.255.255.252

no shut

int g0/2

ip add 172.10.1.254 255.255.255.0

no shut

exit

do write mem

##R3##

conf t

int g0/0

ip add 20.0.0.2 255.255.255.252

no shut

int g0/1

ip add 30.0.0.1 255.255.255.252

no shut

int g0/2

ip add 172.10.2.254 255.255.255.0

no shut

exit

do write mem

##R4##

conf t

int g0/0

ip add 30.0.0.2 255.255.255.252

no shut

int g0/1

ip add 40.0.0.2 255.255.255.252

no shut

int g0/2

ip add 172.10.3.254 255.255.255.0

no shut

exit

do write mem

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

##Enable BGP on R1###

router bgp 100

bgp router-id 1.1.1.1

net 172.10.0.0 mask 255.255.255.0

nei 10.0.0.2 remote-as 200

nei 10.0.0.2 update-source g0/0

nei 40.0.0.2 remote-as 400

nei 40.0.0.2 update-source g0/1

exit

do write mem

!!!!!!!!!!!!!!!!!!!!!!!!!!

##Enable BGP on R2###

router bgp 200

bgp router-id 2.2.2.2

net 172.10.1.0 mask 255.255.255.0

nei 10.0.0.1 remote-as 100

nei 10.0.0.1 update-source g0/0

nei 20.0.0.2 remote-as 300

nei 20.0.0.2 update-source g0/1

exit

do write mem

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

##Enable BGP on R3###

router bgp 300

bgp router-id 3.3.3.3

net 172.10.2.0 mask 255.255.255.0

nei 20.0.0.1 remote-as 200

nei 20.0.0.1 update-source g0/0

nei 30.0.0.2 remote-as 400

nei 30.0.0.2 update-source g0/1

exit

do write mem

!!!!!!!!!!!!!!!!!!!!!!

##Enable BGP on R4###

router bgp 400

bgp router-id 4.4.4.4

net 172.10.3.0 mask 255.255.255.0

nei 30.0.0.1 remote-as 300

nei 30.0.0.1 update-source g0/0

nei 40.0.0.1 remote-as 100

nei 40.0.0.1 update-source g0/1

exit

do write mem

!!!!!!!!!!!!!!!!!!!Weight Attributes!!!!!!!!!!!!

Enable R2

router bgp 200

nei 10.0.0.1 weight 100

nei 20.0.0.2 weight 200

!!!!!!!!!!!!!!!!!!!!!!!Local Preference Attributes!!!!!!!!!!!!!!

##Enable R2

route-map route_map_100 permit

set local preference 100

route-map route_map_300 permit

set local preference 200

router bgp 200

nei 10.0.0.1 route-map route_map_100 in

nei 20.0.0.2 route-map route_map_300 in

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!AS-Path PREPEND!!!!!!!!!!!!!!!!!!!!!!1

route-map route_map_prepend_100 permit

set as-path prepend 200 200 200 200

router bgp 200

nei 10.0.0.1 route-map rout_map_prepend_100 in

BGP LAB_006

##Interface Configuration##

##R1##

conf t

int g0/0

ip add 1.1.1.1 255.255.255.252

no shut

exit

int g0/2

ip add 10.1.1.254 255.255.255.0

no shut

exit

int lo 0

ip add 1.1.1.1 255.255.255.255

no shut

exit

do write mem

\\\\\\\\\\\\

##R2##

conf t

int g0/0

ip add 1.1.1.2 255.255.255.252

no shut

exit

int g0/1

ip add 2.2.2.1 255.255.255.252

no shut

exit

int g0/2

ip add 20.1.1.254 255.255.255.0

no shut

exit

int lo 0

ip add 22.22.22.22 255.255.255.255

no shut

exit

do write mem

\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\

##R3##

conf t

int g0/0

ip add 2.2.2.2 255.255.255.252

no shut

exit

int g0/1

ip add 3.3.3.1 255.255.255.252

no shut

exit

int g0/2

ip add 30.1.1.254 255.255.255.0

no shut

exit

int lo 0

ip add 33.33.33.33 255.255.255.255

no shut

exit

do write mem

\\\\\\\\\\\\\\\\\

##R4##

conf t

int g0/0

ip add 3.3.3.2 255.255.255.252

no shut

exit

int g0/2

ip add 40.1.1.254 255.255.255.0

no shut

exit

int lo 0

ip add 4.4.4.4 255.255.255.255

no shut

exit

do write mem

##Enable OSPF on R2 and R3 for IGP##

##R2##

router ospf 1

router-id 22.22.22.22

net 22.22.22.22 0.0.0.0 area 0

net 2.2.2.0 0.0.0.3 area 0

exit

##R3##

router ospf 1

router-id 33.33.33.33

net 2.2.2.0 0.0.0.3 area 0

net 33.33.33.33 0.0.0.0 area 0

exit

##Enable BGP on Each Router##

##R1##

router bgp 500

bgp router-id 1.1.1.1

nei 1.1.1.2 remote-as 600

nei 1.1.1.2 update-source g0/0

nei 1.1.1.2 allowas-in ##for same as route from R4

net 1.1.1.1 mask 255.255.255.255

net 10.1.1.0 mask 255.255.255.0

\\\\\\\\\\\\\\

##R2##

router bgp 600

bgp router-id 22.22.22.22

nei 1.1.1.1 remote-as 500

nei 1.1.1.1 update-source g0/0

nei 33.33.33.33 remote-as 600

nei 33.33.33.33 update-source lo 0

nei 33.33.33.33 next-hop-self

net 22.22.22.22 mask 255.255.255.255

net 20.1.1.0 mask 255.255.255.0

\\\\\\\\\\\\\\\\\\

##R3##

router bgp 600

bgp router-id 33.33.33.33

nei 22.22.22.22 remote-as 600

nei 22.22.22.22 update-source lo 0

nei 22.22.22.22 next-hop-self

nei 3.3.3.2 remote-as 500

nei 3.3.3.2 update-source g0/1

net 33.33.33.33 mask 255.255.255.255

net 30.1.1.0 mask 255.255.255.0

\\\\\\\\\\\\\\\\\

##R4##

router bgp 500

bgp router-id 4.4.4.4

nei 3.3.3.1 remote-as 600

nei 3.3.3.1 update-source g0/0

nei 3.3.3.1 allowas-in ##for same as route from R1

net 4.4.4.4 mask 255.255.255.255

net 40.1.1.0 mask 255.255.255.0

AS 200

VRF RED

rd 200:1

VRF GREEN

rd 200:2

VRF BLUE

rd 200:3

VRF SHARE

rd 200:99

\\\\\\\\\\\\\\\\\\

##Enable vrf on Each router##

##PE01##

ip vrf RED

description To CE03

ip vrf BLUE

description To CE04

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

##PE02##

ip vrf RED

description To PE01

ip vrf BLUE

description To PE01

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

##PE03##

ip vrf RED

ip vrf BLUE

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

\\\\\\\\\\\\\\\\\\\\\\\\\\\

##Enable vrf on Interface##

##PE01##

int g0/0

ip vrf forwarding BLUE ##(when enable vrf assign ip in this interface is automatically deleted, so assign ip after vrf enable)##

int g0/1

ip vrf forwarding RED

int g0/2 ##(two vrf carry, so create sub interface g0/2.1, g0/2.2 and carry each vrf with each dot1Q vlan and then assign ip address on each sub interface )##

int g0/2.1

encapsulation dot1Q vlan 10 ##vlan 10 for RED##

ip vrf forwarding RED

ip add 10.0.0.1 255.255.255.252

no shut

exit

int g0/2.2

encapsulation dot1Q vlan 20 ##vlan 20 for BLUE##

ip vrf forwarding BLUE

ip add 10.0.0.1 255.255.255.252

no shut

exit

int g0/3.1

encapsulation dot1Q vlan 10 ##vlan 10 for RED##

ip vrf forwarding RED

ip add 10.0.0.5 255.255.255.252

no shut

exit

int g0/3.2

encapsulation dot1Q vlan 20 ## vlan 20 for BLUE##

ip vrf forwarding BLUE

ip add 10.0.0.5 255.255.255.252

no shut

exit

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

##PE02##

##Enable vrf on Router##

ip vrf RED

ip vrf BLUE

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

##Enable vrf on interface##

int g0/0.1

encapsulation dot1Q vlan 10 ##for RED##

ip vrf forwarding RED

ip add 10.0.0.2 255.255.255.252

no shut

exit

int g0/0.2

encapsulation dot1Q vlan 20 ## for BLUE##

ip vrf forwarding BLUE

ip add 10.0.0.2 255.255.255.252

no shut

exit

int g0/1.1

encapsulation dot1Q vlan 10 ##for RED##

ip vrf forwarding RED

ip add 10.0.0.9 255.255.255.252

no shut

exit

int g0/1.2

encapsulation dot1Q vlan 20 ## for BLUE##

ip vrf forwarding BLUE

ip add 10.0.0.9 255.255.255.252

no shut

exit

int g0/2

ip vrf forwarding RED

ip add 20.0.0.1 255.255.255.252

no shut

exit

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

##PE03##

##Enable VRF on router##

ip vrf RED

ip vrf BLUE

-----------

##Enable vrf on interface##

int g0/0.1

encapsulation dot1Q vlan 10 ##for RED ##

ip vrf forwarding RED

ip add 10.0.0.6 255.255.255.252

no shut

exit

int g0/0.2

encapsulation dot1Q vlan 20 ##for BLUE##

ip vrf forwarding BLUE

ip add 10.0.0.6 255.255.255.252

no shut

exit

int g0/1.1

encapsulation dot1Q vlan 10 ##for RED ##

ip vrf forwarding RED

ip add 10.0.0.10 255.255.255.252

no shut

exit

int g0/1.2

encapsulation dot1Q vlan 20 ##for BLUE##

ip vrf forwarding BLUE

ip add 10.0.0.10 255.255.255.252

no shut

exit

int g0/2

ip vrf forwarding BLUE

ip add 20.0.0.1 255.255.255.252

no shut

exit

##Enable vrf OSPF on each router###

##PE01##

router ospf 1 vrf RED

router-id 0.0.1.1

net 10.0.0.0 0.0.0.3 area 0

net 100.0.0.0 0.0.0.3 area 0

net 10.0.0.4 0.0.0.3 area 0

exit

router ospf 2 vrf BLUE

router-id 0.0.1.2

net 10.0.0.0 0.0.0.3 area 0

net 200.0.0.0 0.0.0.3 area 0

net 10.0.0.4 0.0.0.3 area 0

exit

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

##Enable OSPF on PE02##

router ospf 1 vrf RED

router-id 0.0.2.1

net 10.0.0.0 0.0.0.3 area 0

net 10.0.0.8 0.0.0.3 area 0

net 20.0.0.0 0.0.0.3 area 0

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

router ospf 2 vrf BLUE

router-id 0.0.2.2

net 10.0.0.0 0.0.0.3 area 0

net 10.0.0.8 0.0.0.3 area 0

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

##Enable OSPF on PE03##

router ospf 1 vrf RED

router-id 0.0.3.1

net 10.0.0.8 0.0.0.3 area 0

net 10.0.0.4 0.0.0.3 area 0

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

router ospf 2 vrf BLUE

router-id 0.0.3.2

net 10.0.0.8 0.0.0.3 area 0

net 10.0.0.4 0.0.0.3 area 0

net 20.0.0.0 0.0.0.3 area 0

\\\\\\\\\\\\\\\\\\\\\\\\\\\\

##Enable default on each router##

##Enable default on PE01##

ip route vrf RED 0.0.0.0 0.0.0.0 100.0.0.2

ip route vrf BLUE 0.0.0.0 0.0.0.0 200.0.0.2

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

##Enable default route on PE02##

ip route vrf RED 0.0.0.0 0.0.0.0 20.0.0.2

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

##Enable default route on PE03##

ip route vrf BLUE 0.0.0.0 0.0.0.0 20.0.0.1

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

BGP LAB_008 (BGP Confederations)

Enable IP on each router

##R1##

conf t

int g0/0

ip add 100.0.0.1 255.255.255.252

no shut

exit

int g0/1

ip add 10.0.0.254 255.255.255.0

no shut

exit

do write mem

\\\\\\\\\\\\\\\\\\\\\\

#R2##

conf t

hostname PE02

int g0/0

ip add 100.0.0.2 255.255.255.252

no shut

exit

int g0/1

ip add 40.0.0.1 255.255.255.252

no shut

exit

int g0/2

ip add 40.0.0.5 255.255.255.252

no shut

exit

int lo 0

ip add 2.2.2.2 255.255.255.255

no shut

exit

do write mem

\\\\\\\\\\\\\\\\\\\\\\

#R3##

conf t

int g0/0

ip add 40.0.0.2 255.255.255.252

no shut

exit

int g0/1

ip add 40.0.0.9 255.255.255.252

no shut

int g0/2

ip add 20.0.0.254 255.255.255.0

no shut

int lo 0

ip add 3.3.3.3 255.255.255.255

no shut

exit

do write mem

\\\\\\\\\\\\\\\\

##R4##

conf t

int g0/0

ip add 40.0.0.10 255.255.255.252

no shut

exit

int g0/1

ip add 40.0.0.13 255.255.255.252

no shut

exit

int g0/2

ip add 30.0.0.254 255.255.255.0

no shut

exit

int lo 0

ip add 4.4.4.4 255.255.255.255

no shut

exit

do write mem

\\\\\\\\\\\\\\\\\

##R5##

conf t

int g0/0

ip add 40.0.0.14 255.255.255.252

no shut

exit

int g0/1

ip add 40.0.0.6 255.255.255.252

no shut

exit

int lo 0

ip add 5.5.5.5 255.255.255.252

no shut

exit

do write mem

## Enable IGP protocol ISIS or OSPF on R2,R3,R4,R5##

##R2##

router isis PE02

net 49.0000.0000.0000.0002.00

is-type level-1

metric-style wide

passive-interface g0/2

int g0/0

ip router isis PE02

int g0/1

ip router isis PE02

int g0/2

ip router isis PE02

int lo 0

ip router isis PE02

\\\\\\\\\\\\\\\\\\\\\

##R3##

router isis PE03

net 49.0000.0000.0000.0003.00

is-type level-1

metric-style wide

passive-interface g0/2

int g0/0

ip router isis PE03

int g0/1

ip router isis PE03

int g0/2

ip router isis PE03

int lo 0

ip router isis PE03

\\\\\\\\\\\\\\\\\\\\\\\\\\\

router isis PE04

net 49.0000.0000.0000.0004.00

is-type level-1

metric-style wide

passive-interface g0/2

int g0/0

ip router isis PE04

int g0/1

ip router isis PE04

int g0/2

ip router isis PE04

int lo 0

ip router isis PE04

\\\\\\\\\\\\\\

router isis PE05

net 49.0000.0000.0000.0005.00

is-type level-1

metric-style wide

passive-interface g0/2

int g0/0

ip router isis PE05

int g0/1

ip router isis PE05

int g0/2

ip router isis PE05

int lo 0

ip router isis PE05

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

##Enable BGP confederations on each router##

##R2##

router bgp 500

bgp confederation identifier 200

bgp router-id 2.2.2.2

bgp confederation peers 600

nei 3.3.3.3 remote-as 500

nei 3.3.3.3 update-source lo 0

nei 5.5.5.5 remote-as 600

nei 5.5.5.5 update-source lo 0

nei 5.5.5.5 ebgp-multihop 2

nei 100.0.0.1 remote-as 100

\\\\\\\\\\\\\\\\\\\\\\\\\\\\

##R3##

router bgp 500

bgp confederation identifier 200

bgp router-id 3.3.3.3

bgp confederation peers 600

nei 2.2.2.2 remote-as 500

nei 2.2.2.2 update-source lo 0

nei 4.4.4.4 remote-as 600

nei 4.4.4.4 update-source lo 0

nei 4.4.4.4 ebgp-multihop 2

\\\\\\\\\\\\\\\\\\\\\\\\\\\

##R4##

router bgp 600

bgp confederation identifier 200

bgp router-id 4.4.4.4

bgp confederation peers 500

nei 3.3.3.3 remote-as 500

nei 3.3.3.3 update-source lo 0

nei 5.5.5.5 remote-as 600

nei 5.5.5.5 update-source lo 0

nei 5.5.5.5 ebgp-multihop 2

\\\\\\\\\\\\\\\\\\\\\\\\\

##R5##

router bgp 600

bgp confederation identifier 200

bgp router-id 5.5.5.5

bgp confederation peers 500

nei 2.2.2.2 remote-as 500

nei 2.2.2.2 update-source lo 0

nei 5.5.5.5 remote-as 600

nei 5.5.5.5 update-source lo 0

nei 5.5.5.5 ebgp-multihop 2

Trouble Shooting

R1(config)#router isis PE01

R1(config-router)#log adjacency-changes

show isis database

show isis database ##display network in database with metric value

show isis neighbor

show isis database level-1 verbose

show ip route isis

BGP LAB_009 MP BGP or multiprotocol

##Enable IP on each router##

#R1##

conf t

ipv6 unicast-routing

int g0/0

ipv6 add 2003::1/64

no shut

exit

int lo 0

ipv6 add 2001:0001::1/64

no shut

exit

int lo 1

ipv6 address 2001:0002::2/64

no shut

do write mem

\\\\\\\

#R2##

conf t

ipv6 unicast-routing

int g0/0

ipv6 add 2003::2/64

no shut

exit

int lo 0

ipv6 add 2002:0001::1/64

no shut

exit

int lo 1

ipv6 address 2002:0002::2/64

no shut

do write mem

##Enable MP BGP on Each Router##

router bgp 100

bgp router-id 1.0.0.1

nei 2003::2 remote-as 200

address-family ipv4

no nei 2003::2 activate

exit

address-family ipv6

nei 2003::2 activate

net 2001:0001::/64

net 2001:0002::/64

\\\\\\\\\\\\\\\\\\\

##R2##

router bgp 200

bgp router-id 1.0.0.2

nei 2003::1 remote-as 100

address-family ipv4

no nei 2003::1 activate

exit

address-family ipv6

nei 2003::1 activate

net 2002:0001::/64

net 2002:0002::/64

Trouble Shooting

sh ip bgp all

ping 2002:2::1 source lo 0

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