C613-50631-01 Rev A Command Reference for IE340 Series 1630
AlliedWare Plus™ Operating System - Version 5.5.3-0.x
ROUTE MAP COMMANDS
SET
DAMPENING
set dampening
Overview Use this command to add a route flap dampening set clause to a route map entry.
Also use the route map by specifying it in the command bgp dampening
route-map.
When a route matches the route map entry, the device enables route flap
dampening for that route. If the set clause includes dampening parameter values,
the device uses those values when dampening the matching route.
Use the no variant of this command to remove the set clause. This disables
dampening on matching routes.
Syntax
set dampening
set dampening [<reachtime>]
set dampening <reachtime> [<reuse> <suppress> <maxsuppress>]
[<unreachtime>]
no set dampening
no set dampening [<reachtime>]
no set dampening <reachtime> [<reuse> <suppress> <maxsuppress>]
[<unreachtime>]
Parameter Description
<reachtime> <1-45>
The time it takes, in minutes, for the route's instability penalty to
halve if the route remains stable. The instability penalty is called
the Figure of Merit (FoM). For example, if reachtime is 15, the FoM
of a stable route halves over a 15 minute period, quarters over a
30 minute period, and so on.
The default is 15 minutes.
<reuse> <1-20000>
The value that the instability penalty (FoM) must reach for the
device to use a suppressed route again. Once a route is
suppressed, it remains suppressed until its FoM falls below this
threshold. Reuse must not exceed suppress. The default is 750.
<suppress> <1-20000>
The instability penalty (FoM) at which the route is suppressed.
Suppress must be greater than or equal to reuse.
If suppress is less than 1000, a route is suppressed when it
becomes unreachable for the first time. The default is 2000.
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