Reference Guide

Border Gateway Protocol | 271
Command
History
show ip bgp flap-statistics
s z
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 9-13. Command Example: show ip bgp flap-statistics
FTOS>show ip bgp flap
Weight Displays the route’s weight
Path Lists all the ASs the route passed through to reach the destination
network.
Table 9-6. Command Example fields: show ip bgp filter-list
Field Description
Version 9.0.2.0 Introduced on the S6000.
Version 8.3.11.1 Introduced on the Z9000.
Version 7.8.1.0 Introduced support on S-Series
S6000
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.