show ip bgp ipv6 unicast flap-statistics
View flap statistics on BGP routes.
C-Series, E-Series
Syntax
show ip bgp ipv6 unicast flap-statistics [ipv6-address prefix-
length] [filter-list as-path-name] [regexp regular-expression]
Parameters
ipv6-address 
prefix-length
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 ACL.
regexp 
regular-
expression
Enter a regular expression then use one or a combination of the 
following characters to match:
• . = (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: You must enter an escape sequence (CTRL+v) prior 
to entering the ? regular expression.
• [ ] = (brackets) a range of single-character patterns.
• ^ = (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
• EXEC Privilege
Command History
Version 7.4.1.0 Introduced
Example
FTOS#show ip bgp ipv6 unicast flap-statistics
BGP table version is 8, local router ID is 5.5.10.4
Status codes: s suppressed, S stale, d damped, h history, * 
valid, > best Path
source: I - internal, a - aggregate, c - confed-external, r - 
redistributed, n -
network Origin codes: i - IGP, e - EGP, ? - incomplete
   Network       From        Flaps  Duration Reuse Path
h  dead:1::/100  5ffe:10::3  1      00:03:20       1 i
h  dead:1::/100  5ffe:11::3  1      00:03:20       1 i
532