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Dell PowerEdge FN I/O Module Command Line Reference Guide 9.10(0.0)

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show ip bgp flap-statistics

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

ipv4 unicast	(OPTIONAL) Enter the keywords `ipv4 unicast` 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` then the name of a configured AS-PATH ACL. The range is 140 characters.
regexp regular-expression	Enter a regular expression then use one or a combination of the following characters to match. The range is 256 characters. `.` = (period) any single character (including a white space). `*` = (asterisk) the sequences in a pattern (zero or more sequences). `+` = (plus) the sequences in a pattern (one or more sequences). `?` = (question mark) sequences in a pattern (either zero or one sequences). NOTE: 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 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

Supported Modes

Full–Switch

Command History

Version	Description
9.9(0.0)	Introduced on the FN IOM.
9.2(0.0)	Introduced on the MXL 10/40GbE Switch IO Module.

Usage Information

The following describes the show ip bgp flap command shown in the following example.

Field	Description
Network	Displays the network ID to which the route is flapping.
From	Displays the IP address of the neighbor advertising the flapping route.
Flaps	Displays the number of times the route flapped.
Duration	Displays the hours:minutes:seconds since the route first flapped.
Reuse	Displays the hours:minutes:seconds until the flapped route is available.
Path	Lists all the ASs the flapping route passed through to reach the destination network.

Example

Dell>show ip bgp flap-statistics
                                             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
                                             Dell>