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buffer-size (Dynamic Scheduling)

Syntax

buffer-size (percent (percentage | $junos-cos-scheduler-bs) | remainder | temporal (microseconds | $junos-cos-scheduler-bs));

Hierarchy Level

[edit dynamic-profiles profile-name class-of-service schedulers scheduler-name]

Release Information

Statement introduced in Junos OS Release 9.3.

The $junos-cos-scheduler-bs predefined variable introduced in Junos OS Release 9.4.

Description

Specify buffer size.

Default

If you do not include this statement, the default scheduler transmission rate and buffer size percentages for queues 0 through 7 are 95, 0, 0, 5, 0, 0, 0, and 0 percent.

Options

percent percentage—Buffer size as a percentage of total buffer.

remainder—Remaining buffer available.

temporal microseconds—Buffer size as a temporal value. The queuing algorithm starts dropping packets when it queues more than a computed number of bytes. This maximum is computed by multiplying the logical interface speed by the configured temporal value.

Range: The ranges vary by platform as follows:

  • For IQ PICs on M320 routers: 1 through 50,000 microseconds.
  • For IQ PICs on other M Series routers: 1 through 100,000 microseconds.
  • For other M Series routers: 1 through 200,000 microseconds.

$junos-scheduler-bs—Junos predefined variable that is replaced with the buffer size 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.

Published: 2013-02-22