Users 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 (in dotted decimal format) of the BGP network to view
information only on that network.
mask (OPTIONAL) Enter the network mask (in slash prex (/x) format) of the BGP network
address.
lter-list as-path-
name
(OPTIONAL) Enter the keyword filter-list then the name of a congured AS-PATH
ACL. The range is 140 characters.
regexp regular-
expression
Enter a regular expression then use one or a combination of the following characters to
match. The range is 256 characters.
• . = (period) any single character (including a white space).
• * = (asterisk) the sequences in a pattern (zero or more sequences).
•
+ = (plus) the sequences in a pattern (one or more sequences).
• ? = (question mark) sequences in a pattern (either zero or one sequences).
NOTE: Enter an escape sequence (CTRL+v) prior to entering the ? regular
expression.
• [ ] = (brackets) a range of single-character patterns.
• ( ) = (parenthesis) groups a series of pattern elements to a single element.
• { } = (braces) minimum and the maximum match count.
• ^ = (caret) the beginning of the input string. If you use the caret at the beginning of a
sequence or range, it matches on everything BUT the characters specied.
• $ = (dollar sign) the end of the output string.
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
The following describes the show ip bgp flap command shown in the following example.
Field Description
Network Displays the network ID to which the route is apping.
From Displays the IP address of the neighbor advertising the apping route.
Flaps Displays the number of times the route apped.
Duration Displays the hours:minutes:seconds since the route rst apped.
Reuse Displays the hours:minutes:seconds until the apped route is available.
Path Lists all the ASs the apping route passed through to reach the destination network.
Border Gateway Protocol IPv4 (BGPv4) 351