Users Guide

Table Of Contents
clear ip bgp flap-statistics
Clear BGP flap statistics, which includes number of flaps and the time of the last flap.
Syntax
clear ip bgp [vrf vrf-name] [ipv4 [multicast | unicast] | ipv6 unicast]
[flap-statistics [ipv4-address mask | ipv6address mask] | filter-list as-
path-name | regexp regular-expression]
Parameters
vrf
vrf-name
(OPTIONAL) Enter the keyword vrf and then the name of the VRF to clear BGP
flap statistics corresponding to that VRF.
NOTE: You can use this attribute on a specific VRF to remove history routes
corresponding to that VRF. You can also use this attribute to return the
suppressed routes corresponding to a specific VRF to an active state.
ipv4 multicast (OPTIONAL) Enter the keyword ipv4 followed by the keyword multicast to
clear information related only to ipv4 multicast routes.
ipv4 unicast (OPTIONAL) Enter the keyword ipv4 followed by the keyword unicast to clear
information related only to ipv4 unicast routes.
ipv6 unicast (OPTIONAL) Enter the keyword ipv6 followed by the keyword unicast to clear
information related only to ipv6 unicast routes.
ipv4-address
mask
(OPTIONAL) Enter an IPv4 address in dotted decimal format and the prefix mask in
slash format (/x) to reset only that prefix.
ipv6address
mask
(OPTIONAL) Enter the IPv6 address followed by the network mask 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.
Command Modes EXEC Privilege
Command
History
This guide is platform-specific. For command information about other platforms, see the relevant Dell
Networking OS Command Line Reference Guide.
Version Description
9.8(2.0) Introduced on the S3100 series.
9.8(1.0) Introduced on the Z9100ON.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
342 Border Gateway Protocol