Reference Guide

Example of Enabling BGP (Router 1)
Example of Enabling BGP (Router 2)
Example of Enabling BGP (Router 3)
Example of Enabling Peer Groups (Router 1)
Example of Enabling Peer Groups (Router 2)
Example of Enabling Peer Groups (Router 3)
R1# conf
R1(conf)#int loop 0
R1(conf-if-lo-0)#ip address 192.168.128.1/24
R1(conf-if-lo-0)#no shutdown
R1(conf-if-lo-0)#show config
!
interface Loopback 0
ip address 192.168.128.1/24
no shutdown
R1(conf-if-lo-0)#int te 1/21
R1(conf-if-te-1/21)#ip address 10.0.1.21/24
R1(conf-if-te-1/21)#no shutdown
R1(conf-if-te-1/21)#show config
!
interface TengigabitEthernet 1/21
ip address 10.0.1.21/24
no shutdown
R1(conf-if-te-1/21)#int te 1/31
R1(conf-if-te-1/31)#ip address 10.0.3.31/24
R1(conf-if-te-1/31)#no shutdown
R1(conf-if-te-1/31)#show config
!
interface TengigabitEthernet 1/31
ip address 10.0.3.31/24
no shutdown
R1(conf-if-te-1/31)#router bgp 99
R1(conf-router_bgp)#network 192.168.128.0/24
R1(conf-router_bgp)#neighbor 192.168.128.2 remote 99
R1(conf-router_bgp)#neighbor 192.168.128.2 no shut
R1(conf-router_bgp)#neighbor 192.168.128.2 update-source loop 0
R1(conf-router_bgp)#neighbor 192.168.128.3 remote 100
R1(conf-router_bgp)#neighbor 192.168.128.3 no shut
R1(conf-router_bgp)#neighbor 192.168.128.3 update-source loop 0
R1(conf-router_bgp)#show config
!
router bgp 99
network 192.168.128.0/24
neighbor 192.168.128.2 remote-as 99
neighbor 192.168.128.2 update-source Loopback 0
neighbor 192.168.128.2 no shutdown
neighbor 192.168.128.3 remote-as 100
neighbor 192.168.128.3 update-source Loopback 0
neighbor 192 168 128 3 no shutdown
R2# conf
R2(conf)#int loop 0
R2(conf-if-lo-0)#ip address 192.168.128.2/24
R2(conf-if-lo-0)#no shutdown
R2(conf-if-lo-0)#show config
!
interface Loopback 0
ip address 192.168.128.2/24
no shutdown
Border Gateway Protocol IPv4 (BGPv4)
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