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Syntax Description: This command has no arguments.

Purpose: To debug events relating to the BGP neighbor relationship.

Cisco IOS Software Release: 10.0

Example: Debug the Formation of the Neighbor Relationship

Enable BGP event debugging, and then clear the connection between the BGP neighbors:

rtrA#debug ip bgp events

BGP events debugging is on

rtrA#clear ip bgp *

rtrA#

1w3d: BGP: reset all neighbors due to User reset

1w3d: BGP: 172.17.1.1 went from Active to Idle

1w3d: BGP: 172.17.1.1 went from Idle to Active

1w3d: BGP: scanning routing tables

1w3d: BGP: 172.17.1.1 went from Active to Idle

1w3d: BGP: 172.17.1.1 went from Idle to Connect

1w3d: BGP: 172.17.1.1 went from Connect to OpenSent

1w3d: BGP: 172.17.1.1 went from OpenSent to OpenConfirm

1w3d: BGP: 172.17.1.1 went from OpenConfirm to Established

1w3d: BGP: 172.17.1.1 computing updates, neighbor version 0, table version 5,

 starting at 0.0.0.0

1w3d: BGP: 172.17.1.1 update run completed, ran for 0ms, neighbor version 0,

 start version 5, throttled to 5, check point net 0.0.0.0

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