Reference Guide

IPv6 Border Gateway Protocol (IPv6 BGP) | 813
Parameters
Command Modes
EXEC
EXEC Privilege
Command
History
Example
Figure 27-8. show ip bgp ipv6 unicast flap-statistics command
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 8.4.2.1 Introduced on C-Series and S4810.
Version 7.4.1.0 Introduced on E-Series TeraScale
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
h dead:4::/100 5ffe:10::3 1 00:04:39 1 i
h dead:4::/100 5ffe:11::3 1 00:04:39 1 i
FTOS#