BGP Lab 18 Internal BGP over IPv6 (CCNP Level)



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Image requirements:
 Cisco IOSv (vios-adventerprisek9-m.vmdk.SPA.156-2.T)



Introduction:

Continue BGP over IPV6 progress from the last two labs, in this project, you will finish establishing BGP neighborship across the entire topology by completing the configuration of iBGP within the autonomous system 250.


Lab Tasks:

1. Configure IPv6 IGP within AS 250, advertise IPv6 prefixes of loopback0 interfaces, make sure that all routers in this AS able to reach each other IPv6 addresses of loopback0 interfaces, this is necessary for iBGP peering. 

2. Configure full mesh iBGP peering between all routers within AS250. 

3. Verify iBGP neighborships. 

4. Save running-config. 


Configuration example:
!

ER1#configure terminal
ER1(config)#ipv6 router eigrp 10
ER1(config-rtr)#eigrp router-id 0.0.1.1
ER1(config-rtr)#exit
ER1(config)#interface g0/2   
ER1(config-if)#ipv6 eigrp 10
ER1(config-if)#exit
ER1(config)#interface g0/2
ER1(config-if)#ipv6 eigrp 10
ER1(config-if)#exit
ER1(config)#interface lo0
ER1(config-if)#ipv6 eigrp 10
ER1(config-if)#exit

!
Verify EIGPR for IPv6: 
!
ER1# show ipv6 eigrp interfaces 
ER1# show ipv6 eigrp neighbors 
ER1# show ipv6 route eigrp 

!

ER1(config)#router  bgp  250
ER1(config-router)#neighbor 2001:DB8:250:1000::102 remote-as 250    

ER1(config-router)#neighbor 2001:DB8:250:1000::102 update-source lo0
ER1(config-router)#neighbor 2001:DB8:250:1000::C1 remote-as 250    
ER1(config-router)#neighbor 2001:DB8:250:1000::C1 update-source lo0
ER1(config-router)#neighbor 2001:DB8:250:1000::C2 remote-as 250     

ER1(config-router)#neighbor 2001:DB8:250:1000::C2 update-source lo0
ER1(config-router)#neighbor 2001:DB8:250:1000::111 remote-as 250      
ER1(config-router)#neighbor 2001:DB8:250:1000::111 update-source lo0
ER1(config-router)#neighbor 2001:DB8:250:1000::112 remote-as 250         
ER1(config-router)#neighbor 2001:DB8:250:1000::112 update-source lo0
ER1(config-router)#address-family ipv6 unicast
ER1(config-router-af)#neighbor 2001:DB8:250:1000::102 activate
ER1(config-router-af)#neighbor 2001:DB8:250:1000::C1 activate
ER1(config-router-af)#neighbor 2001:DB8:250:1000::C2 activate
ER1(config-router-af)#neighbor 2001:DB8:250:1000::111 activate
ER1(config-router-af)#neighbor 2001:DB8:250:1000::112 activate
ER1(config-router-af)#end
!

Verify iBGP: 
!
ER1# show bgp ipv6 unicast summary


Topology:

  




 
 


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