Concept Guide

Parameters
ipv4 unicast (OPTIONAL) Enter the keywords ipv4 unicast to view information only related to
ipv4 unicast routes.
ip-address (OPTIONAL) Enter the IP address of the neighbor to view only BGP information
exchanged with that neighbor.
advertised-routes (OPTIONAL) Enter the keywords advertised-routes to view only the routes the
neighbor sent.
dampened-routes (OPTIONAL) Enter the keywords dampened-routes to view information on dampened
routes from the BGP neighbor.
detail (OPTIONAL) Enter the keyword detail to view neighbor-specic internal information
for the IPv4 Unicast address family.
ap-statistics (OPTIONAL) Enter the keywords flap-statistics to view ap statistics on the
neighbor’s routes.
routes (OPTIONAL) Enter the keyword routes to view only the neighbor’s feasible routes.
received-routes
[network [network-
mask]
(OPTIONAL) Enter the keywords received-routes then either the network address
(in dotted decimal format) or the network mask (in slash prex format) to view all
information received from neighbors.
NOTE: Congure the neighbor soft-reconfiguration inbound
command prior to viewing all the information received from the neighbors.
denied-routes
[network [network-
mask]
(OPTIONAL) Enter the keywords denied-routes then either the network address (in
dotted decimal format) or the network mask (in slash prex format) to view all
information on routes denied via neighbor inbound lters.
Command Modes
• EXEC
• EXEC Privilege
Supported Modes Full–Switch
Command History
Version Description
9.9(0.0) Introduced on the FN IOM.
9.2(0.0) Introduced on the MXL 10/40GbE Switch IO Module.
Usage Information
After a peer reset, the contents of the notication log messages is displayed in hex values for debugging.
The following describes the show ip bgp neighbors command shown in the following examples.
The Lines
Beginning with:
Description
BGP neighbor Displays the BGP neighbor address and its AS number. The last phrase in the line indicates
whether the link between the BGP router and its neighbor is an external or internal one. If
they are located in the same AS, the link is internal; otherwise the link is external.
BGP version Displays the BGP version (always version 4) and the remote router ID.
BGP state Displays the neighbor’s BGP state and the amount of time in hours:minutes:seconds it has
been in that state.
Last read This line displays the following information:
Border Gateway Protocol IPv4 (BGPv4) 353