Administrator Guide
Command History
This guide is platform-specific. For command information about other platforms, refer to the relevant Dell
Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version Description
9.9(0.0) Introduced on the C9010.
9.8(0.0) Introduced on the S3048–ON and S4048–ON.
9.7(0.0) Added the ipv4 multicast and ipv6 unicast parameters.
9.4.(0.0) Added support for VRF.
9.0.2.0 Introduced on the S6000.
8.3.19.0 Introduced on the S4820T.
8.3.11.1 Introduced on the Z9000.
8.3.7.0 Introduced on the S4810.
7.8.1.0 Introduced on the S-Series.
7.7.1.0 Introduced on the C-Series.
Usage Information After you enter this command, the software deletes the history routes and returns the suppressed routes to the
Active state.
The clear ip bgp dampening command does not clear the history paths.
clear ip bgp flap-statistics
Clear BGP flap statistics, which includes number of flaps and the time of the last flap.
C9000 Series
Syntax
clear ip bgp [vrf vrf-name] [ipv4 [multicast | unicast] | ipv6 unicast] [flap-
statistics [ipv4-address mask | ipv6–address mask] | filter-list as-path-name |
regexp regular-expression]
Parameters
vrf
vrf-name
(OPTIONAL) Enter the keyword vrf and then the name of the VRF to clear BGP flap
statistics corresponding to that VRF.
NOTE: You can use this attribute on a specific VRF to remove history routes
corresponding to that VRF. You can also use this attribute to return the
suppressed routes corresponding to a specific VRF to an active state.
ipv4 multicast (OPTIONAL) Enter the keyword ipv4 followed by the keyword multicast to clear
information related only to ipv4 multicast routes.
ipv4 unicast (OPTIONAL) Enter the keyword ipv4 followed by the keyword unicast to clear
information related only to ipv4 unicast routes.
ipv6 unicast (OPTIONAL) Enter the keyword ipv6 followed by the keyword unicast to clear
information related only to ipv6 unicast routes.
ipv4-address mask
(OPTIONAL) Enter an IPv4 address in dotted decimal format and the prefix mask in slash
format (/x) to reset only that prefix.
ipv6–address
mask
(OPTIONAL) Enter the IPv6 address followed by the network mask to reset only that
prefix.
filter-list
as-path-
name
(OPTIONAL) Enter the keywords filter-list then the name of a configured AS-
PATH list.
regexp
regular-
expression
(OPTIONAL) Enter the keyword regexp then regular expressions. Use one or a
combination of the following:
336 Border Gateway Protocol