Reference Guide
886 | IPv6 Border Gateway Protocol (IPv6 BGP)
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Syntax
show ip bgp ipv6 unicast filter-list as-path-name
Parameters
Command Modes
EXEC
EXEC Privilege
Command
History
show ip bgp ipv6 unicast flap-statistics
c e 
View flap statistics on BGP routes.
Syntax
show ip bgp ipv6 unicast flap-statistics [ipv6-address prefix-length] [filter-list 
as-path-name] [regexp regular-expression] 
Parameters
Command Modes
EXEC
EXEC Privilege
Command
History
as-path-name
Enter the name of an AS-PATH.
Version 8.3.19.0 Introduced on S4820T
Version 8.4.2.1 Introduced on C-Series and S4810 
Version 7.4.1.0 Introduced on E-Series TeraScale
ipv6-address prefix-length
(OPTIONAL) Enter the IPv6 address in the x:x:x:x::x format 
followed by the prefix length in the 
/x format. 
Range: /0 to /128
The 
:: notation specifies successive hexadecimal fields of zeros.
filter-list as-path-name (OPTIONAL) Enter the keyword 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). 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 the caret is used at 
the beginning of a sequence or range, it matches on everything 
BUT the characters specified.
• $ = (dollar sign) the end of the output string.
Version 8.3.19.0 Introduced on S4820T










