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delay-buffer-rate (Dynamic Traffic Shaping)


Hierarchy Level


Base the delay-buffer calculation on a delay-buffer rate.


If you do not include this statement, the delay-buffer calculation is based on the guaranteed rate if one is configured, or the shaping rate if no guaranteed rate is configured.


rate—Delay-buffer rate, in bits per second (bps). You can specify a value in bits per second either as a complete decimal number or as a decimal number followed by the abbreviation k (1000), (1,000,000), or g (1,000,000,000).

  • Range: 1000 through 6,400,000,000,000 bps

$junos-cos-delay-buffer-rate—Junos predefined variable that is replaced with the delay-buffer rate obtained from the RADIUS server when a subscriber authenticates over the interface to which the dynamic profile is attached.

Required Privilege Level

interface—To view this statement in the configuration.

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

Release Information

Statement introduced in Junos OS Release 9.2.

The $junos-cos-delay-buffer-rate variable introduced in Junos OS Release 9.4.