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BGP and BGP4+ Configuration
Software Reference Supplement for SwitchBlade® x8112, x908, x900 and x610 Series Switches
C613-50032-01 REV D AlliedWare Plus
TM
Operating System - Software Version 5.4.3-2.6 2.5
Enabling BGP Between Different Autonomous
Systems
This example shows the minimum configuration required for enabling BGP on an
interface when the BGP peers belong to different Autonomous Systems (ASs). Peer 1 and
Peer 2 are two BGP peers in different ASs, AS200 and AS300 connecting to network
10.10.10.0/24.
Peer 1
Peer 2
Names of Commands Used
router bgp (BGP and BGP4+)
neighbor remote-as (BGP and BGP4+)
Validation Commands
show ip bgp summary (BGP)
show ip bgp neighbors (BGP)
bgp_2
Peer 1
10.10.10.10
Peer 2
10.10.10.11
AS200 AS300
awplus#
configure terminal
Enter the Global Configuration mode.
awplus(config)#
router bgp 200
Define the BGP routing process. The number 200
specifies the AS number of Peer 1.
awplus(config-router)#
neighbor 10.10.10.11 remote-as 300
Define BGP neighbors. 10.10.10.11 is the IP address of the
neighbor (Peer 2) and 300 is the neighbor’s AS number.
awplus#
configure terminal
Enter the Global Configuration mode.
awplus(config)#
router bgp 300
Define the BGP routing process. The number 300
specifies the AS number of Peer 2.
awplus(config-router)#
neighbor 10.10.10.10 remote-as 200
Define BGP neighbors. 10.10.10.10 is the IP address of the
neighbor (Peer 1) and 200 is the neighbor’s AS number.