diff --git a/doc/user/bgp.rst b/doc/user/bgp.rst index ef72c5030a..5df149a174 100644 --- a/doc/user/bgp.rst +++ b/doc/user/bgp.rst @@ -515,54 +515,28 @@ Disable checking if nexthop is connected on EBGP sessions Route Flap Dampening -------------------- -.. clicmd:: bgp dampening [(1-45) [(1-20000) (1-20000) (1-255)]] +.. clicmd:: bgp dampening (1-45) (1-20000) (1-20000) (1-255) - This command enables (with optionally specified dampening parameters) or - disables route-flap dampening for all routes of a BGP instance. - -.. clicmd:: neighbor PEER dampening [(1-45) [(1-20000) (1-20000) (1-255)]] - - This command enables (with optionally specified dampening parameters) or - disables route-flap dampening for all routes learned from a BGP peer. - -.. clicmd:: neighbor GROUP dampening [(1-45) [(1-20000) (1-20000) (1-255)]] - - This command enables (with optionally specified dampening parameters) or - disables route-flap dampening for all routes learned from peers of a peer - group. + This command enables BGP route-flap dampening and specifies dampening parameters. half-life - Half-life time for the penalty in minutes (default value: 15). + Half-life time for the penalty reuse-threshold - Value to start reusing a route (default value: 750). + Value to start reusing a route suppress-threshold - Value to start suppressing a route (default value: 2000). + Value to start suppressing a route max-suppress - Maximum duration to suppress a stable route in minutes (default value: - 60). + Maximum duration to suppress a stable route The route-flap damping algorithm is compatible with :rfc:`2439`. The use of - these commands is not recommended nowadays. + this command is not recommended nowadays. At the moment, route-flap dampening is not working per VRF and is working only for IPv4 unicast and multicast. - With different parameter sets configurable for BGP instances, peer groups and - peers, the active dampening profile for a route is chosen on the fly, - allowing for various changes in configuration (i.e. peer group memberships) - during runtime. The parameter sets are taking precedence in the following - order: - - 1. Peer - 2. Peer group - 3. BGP instance - - The negating commands do not allow to exclude a peer/peer group from a peer - group/BGP instances configuration. - .. seealso:: https://www.ripe.net/publications/docs/ripe-378