Deployment Guide

350 | Border Gateway Protocol IPv4 (BGPv4)
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Command
History
debug ip bgp
c e s
Display all information on BGP, including BGP events, keepalives, notifications, and updates.
Syntax
debug ip bgp [vrf vrf-name | ip-address | peer-group peer-group-name] [in | out]
To disable all BGP debugging, enter no debug ip bgp.
Parameters
Command Modes
EXEC Privilege
Usage
Information
To view information on both incoming and outgoing routes, do not include the in and out parameters
in the debugging command. The in and out parameters cancel each other; for example, if you enter
debug ip bgp in and then enter debug ip bgp out, you will not see information on the incoming
routes.
Entering a no debug ip bgp command removes all configured debug commands for BGP.
Version 8.4.1.0 Added BGP Soft Reconfiguration support for IPv4 unicast and IPv6 routes
Version 7.8.1.0 Introduced support on S-Series
Version 7.7.1.0 Introduced support on C-Series
Version 7.2.1.0 Introduced
vrf vrf-name
Enter the keyword vrf and then the name of the VRF to debug BGP information
corresponding to that VRF.
Note: Use this attribute to debug BGP protocol operations
corresponding to either a default or non-default VRF.
ip-address
Enter the IP address of the neighbor in dotted decimal format.
peer-group
peer-group-name
Enter the keywords peer-group then the name of the peer group to debug.
in (OPTIONAL) Enter the keyword in to view only information on inbound BGP
routes.
out (OPTIONAL) Enter the keyword out to view only information on outbound
BGP routes.
A.B.C.D
Enter the IP address of peer in the A.B.C.D format.
X:X:X:X::X
Enter the IPv6 IP address of peer in the X:X:X:X::X format.
dampening
Enter the keyword dampening to view BGP dampening.
events
Enter the keyword events to view BGP protocol events.
ipv4
Enter the ipv4 IP address to view the IPV4 route information.
ipv6
Enter the ipv6 IP address to view the IPV6 route information.
keepalives
Enter the keyword keepalives to view BGP keepalives.
notifications
Enter the keyword notifications to view BGP notifications.
soft-reconfiguration
Enter the keywords soft-reconfiguration to view only information on
inbound BGP soft reconfiguration.
updates
Enter the keyword updates to view BGP updates.