3Com 10014299 BGP Configuration, Procedure for each configuration, As-regular-expression acl

		BGP Configuration Example 471
	Operation	Command
	Display route flap information	display bgp routing-table
		flap-information [ {
		regular-expression
		as-regular-expression } { acl
		acl-number } { network-address [
		mask [ longer-match ] ] } ]
	Display the route with inconsistent source	display bgp routing-table
	AS	different-origin-as
	Display peer information	display bgp peer [ peer-address]
	Display routing information distributed	display bgp routing-table network
	through BGP
	Display peer group information	display bgp group [ group-name]
	–table regular-express	display bgp routing-table
		regular-expression
		as-regular-expression
	Display BGP route summary information	display bgp summary
	Display the configured routing policy	display route-policy policy-name
	information
	Enable BGP packet debugging.	debugging bgp { all event {
		keepalive open packet update }
		[ receive send ] [ verbose ] } }
	Disable BGP packet debugging	undo debugging bgp { all event
		keepalive open packet update }
BGP Configuration	This section describes several different configurations of BGP with a suggested
Example	procedure for each configuration.

Configuring the AS As shown in the following diagram, AS 100 is divided into 3 sub-ASs: 1001, 1002, Confederation Attribute 1003, which are configured with EBGP, confederation EBGP and IBGP.