Version Description9.8(0.0P5) Introduced on the S4048-ON.9.8(0.0P2) Introduced on the S3048-ON.9.2(1.0) Introduced on the Z9500.9.0.2.0 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 theActive state.The clear ip bgp dampening command does not clear the history paths.clear ip bgp flap-statisticsClear BGP flap statistics, which includes number of flaps and the time of the last flap.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 ipv4-address mask (OPTIONAL) Enter an IPv4 address in dotted decimal format and the prefix mask in slashformat (/x) to reset only that prefix.ipv6–address mask (OPTIONAL) Enter the IPv6 address followed by the network mask to reset only thatprefix.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 acombination of the following:• . = (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).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.364 Border Gateway Protocol
