Layer 3 Routing Commands 1357Prefixes Withdrawn 0 0Prefixes Current 1 0Max NLRI per Update 1 0Min NLRI per Update 1 0In this example, BGP has received an UPDATE message from an externalpeer 172.20.101.100 with something other than the peer’s ASN as the firstASN in the AS Path. The additional counter shows that this occurred onetime.console #show ip bgp neighbors 172.20.101.100Remote Address ................................ 172.20.101.100Remote AS ..................................... 101...Last Error .................................... UPDATE Message ErrorLast SubError ................................. Malformed AS_PATHUnexpected first ASN in AS path ............... 1Established Transitions ....................... 1Established Time .............................. 0 days 00 hrs 00 mins 10secsshow ip bgp neighbors advertised-routesThe show ip bgp neighbors advertised-routes command displays the list ofroutes advertised to a specific neighbor. These are the routes in the adjacentRIB out for the neighbor’s outbound update groupSyntaxshow ip bgp [vrf vrf-name] neighbors ip-address advertised-routes• ip-address—The IPv4 address of a neighbor.• vrf vrf-name — Displays the aggregate address information associatedwith the named VRF.Default ConfigurationBy default, information about the global VRF is shown.Command ModePrivileged Exec mode, Global Configuration mode, and all sub-modes
