Administrator Guide

Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.8.1.0 Introduced on the S-Series.
Version 7.7.1.0 Introduced on the C-Series.
Usage
Information
After you enter this command, the software deletes the history routes and returns
the suppressed routes to the Active state.
The clear ip bgp dampening command does not clear the history paths.
clear ip bgp flap-statistics
Clear BGP flap statistics, which includes number of flaps and the time of the last flap.
Z9000
Syntax
clear ip bgp flap-statistics [ip-address mask | filter-list as-
path-name | regexp regular-expression]
Parameters
ip-address
mask
(OPTIONAL) Enter an IP address in dotted decimal format
and the prefix mask in slash format (/x) to reset only that
prefix.
filter-list as-
path-name
(OPTIONAL) Enter the keywords filter-list then the
name of a configured AS-PATH list.
regexp regular-
expression
(OPTIONAL) Enter the keyword regexp then regular
expressions. Use one or a combination of the following:
• . = (period) any single character (including a white
space).
• * = (asterisk) the sequences in a pattern (0 or more
sequences).
• + = (plus) the sequences in a pattern (1 or more
sequences).
• ? = (question mark) sequences in a pattern (either 0 or 1
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 specified.
• $ = (dollar sign) the end of the output string.
Border Gateway Protocol
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