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damping

Syntax

damping name {disable;half-life minutes;max-suppress minutes;reuse number;suppress number;}

Hierarchy Level

[edit logical-systems logical-system-name policy-options],[edit policy-options]

Release Information

Statement introduced before JUNOS Release 7.4.

Statement introduced in JUNOS Release 9.0 for EX Series switches.

Description

Define route flap damping properties to set on BGP routes.

Options

disable—Disable damping on a per-prefix basis. Any damping state that is present in the routing table for a prefix is deleted if damping is disabled.

half-life minutes—Decay half-life. minutes is the interval after which the accumulated figure-of-merit value is reduced by half if the route remains stable.

Range: 1 through 45
Default: 15 minutes

max-suppress minutes—Maximum hold-down time. minutes is the maximum time that a route can be suppressed no matter how unstable it has been.

Range: 1 through 720
Default: 60 minutes

name—Name that identifies the set of damping parameters. The name can contain letters, numbers, and hyphens (-) and can be up to 255 characters long. To include spaces in the name, enclose it in quotation marks (“ ”).

reuse number—Reuse threshold. number is the figure-of-merit value below which a suppressed route can be used again.

Range: 1 through 20,000
Default: 750 (unitless)

suppress number—Cutoff (suppression) threshold. number is the figure-of-merit value above which a route is suppressed for use or inclusion in advertisements.

Range: 1 through 20,000
Default: 3000 (unitless)

Required Privilege Level

routing—To view this statement in the configuration.

routing-control—To add this statement to the configuration.


Published: 2010-04-15

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