Dell Force10 S4820T FTOS Command Reference Guide - Page 803

Parameters Defaults Command Modes Command History Usage Information Related Commands half-life reuse suppress max-suppress-time route-map map-name (OPTIONAL) Enter the number of minutes after which the Penalty is decreased. After the router assigns a Penalty of 1024 to a route, the Penalty is decreased by half after the half-life period expires. Range: 1 to 45. Default: 15 minutes (OPTIONAL) Enter a number as the reuse value, which is compared to the flapping route's Penalty value. If the Penalty value is less than the reuse value, the flapping route is once again advertised (or no longer suppressed). Range: 1 to 20000. Default: 750 (OPTIONAL) Enter a number as the suppress value, which is compared to the flapping route's Penalty value. If the Penalty value is greater than the suppress value, the flapping route is no longer advertised (that is, it is suppressed). Range: 1 to 20000. Default: 2000 (OPTIONAL) Enter the maximum number of minutes a route can be suppressed. The default is four times the half-life value. Range: 1 to 255. Default: 60 minutes. (OPTIONAL) Enter the keyword route-map followed by the name of a configured route map. Only match commands in the configured route map are supported. Disabled. ROUTER BGPV6-ADDRESS FAMILY Version 8.3.19.0 Version 8.4.2.1 Version 8.2.1.0 Version 7.4.1.0 Introduced on S4820T Introduced on C-Series and S4810 Introduced on E-Series ExaScale Introduced on E-Series TeraScale If you enter bgp dampening, the default values for half-life, reuse, suppress, and max-suppress-time are applied. The parameters are position-dependent, therefore, if you configure one parameter, you must configure the parameters in the order they appear in the command. show ip bgp ipv6 unicast dampened-paths View the BGP paths bgp default local-preference c e Change the default local preference value for routes exchanged between internal BGP peers. IPv6 Border Gateway Protocol (IPv6 BGP) | 803