Chapter 8: BGP

Commands:

8.3.1  Basic BGP Configuration

Router(config-router)# network network-number [mask network-mask]
Router(config-router)# neighbor ip-address remote-as AS-number

8.3.4 EBGP Multihop

Router(config-router)#neighbor ip-address ebgp-multihop [hops]

8.3.5 Clearing the BGP table

Router# clear ip bgp {* | address | peer-group name} [soft [in | out]]
Router# clear ip bgp route network-address

8.4.1 Verifying BGP Operation

Router# show ip bgp
Router# show ip bgp summary
Router# show ip bgp neighbors

8.5.3 Implementing BGP Routing Policy

Router(config)# route-map map-tag [permit | deny] [sequence-number]

8.6.4 Next Hop Behavior on NBMA Networks

Router(config-router)# neighbor IP-address next-hop-self

8.6.8 The Atomic Aggregate Attribute

Router(config-router)# aggregate-address address mask [as-set] [summary-only] [suppress-map map-name][advertise-map map-name] [attribute-map map-name]

8.6.11 Manipulating Local Preference

Router(config-router)# bgp default local-preference value
Router(config)# ip as-path access-list access-list-number {permit | deny} as-regular-expression

8.6.14 The Multiple Exit Discriminator Attribute

Router(config-router)# bgp always-compare-med