Border Gateway Protocol IPv4 (BGPv4) | 377
show ip bgp flap-statistics
c e s
View flap statistics on BGP routes.
Syntax
show ip bgp [ipv4 unicast] flap-statistics [ip-address [mask]] [filter-list as-path-name]
[regexp regular-expression]
Parameters
Command Modes
EXEC
EXEC Privilege
Example
Figure 12-14. Command Example: show ip bgp flap-statistics
ipv4 unicast
(OPTIONAL) Enter the
ipv4 unicast keywords to view information only
related to ipv4 unicast routes.
ip-address
(OPTIONAL) Enter the IP address (in dotted decimal format) of the BGP
network to view information only on that network.
mask
(OPTIONAL) Enter the network mask (in slash prefix (/x) format) of the
BGP network address.
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.
( ) = (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 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.
>show ip bgp flap
BGP table version is 210851, local router ID is 63.114.8.2
Status codes: s suppressed, 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
>
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