Administrator Guide

Parameters
ipv6-address Enter the IPv6 address in the x:x:x:x::x format followed by the prefix length in the /x
format. The range is /0 to /128.
NOTE: The :: notation specifies successive hexadecimal fields of zeros.
Command Modes EXEC Privilege
Command History
Version Description
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
8.2.1.0 Introduced on the E-Series ExaScale.
7.4.1.0 Introduced
Usage Information After you enter this command, the software deletes history routes and returns suppressed routes to active state.
clear ip bgp ipv6 flap-statistics
Clear BGP flap statistics, which includes number of flaps and the time of the last flap.
C9000 Series
Syntax
clear ip bgp ipv6 unicast flap-statistics [ipv6-address | filter-list as-path-
name | regexp regular-expression]
Parameters
ipv6-address
(OPTIONAL) Enter the IPv6 address in the x:x:x:x::x format followed by the prefix length
in the /x format. The range is /0 to /128.
NOTE: The :: notation specifies successive hexadecimal fields of zeros.
filter-list
as-path-
name
(OPTIONAL) Enter the keywords filter-list followed by the name of a configured
AS-PATH list.
regexp
regular-
expression
(OPTIONAL) Enter the keyword regexp followed by regular expressions. Use one or a
combination of the following:
. (period) matches on any single character, including white space.
* (asterisk) matches on sequences in a pattern (zero or more sequences).
+ (plus sign) matches on sequences in a pattern (one or more sequences).
? (question mark) matches sequences in a pattern (0 or 1 sequences).
[ ] (brackets) matches a range of single-character patterns.
^ (caret) matches 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) matches the end of the output string.
Command Modes EXEC Privilege
Command History
Version Description
9.9(0.0) Introduced on the C9010.
9.2(1.0) Introduced on the Z9500.
8.2.1.0 Introduced on the E-Series ExaScale.
7.4.1.0 Introduced
Usage Information If you enter clear ip bgp flap-statistics without any parameters, all statistics are cleared.
430 Border Gateway Protocol