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Cisco IOS in a Nutshell, 2nd Edition by James Boney

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Name

fair-queue (policy-map class) — policy-map

Synopsis

fair-queue [queues]
no fair-queue [queues]

Configures

The number of dynamic queues to be reserved for the default class

Default

Depends on interface

Description

This command specifies the number of dynamic queues reserved for the default class (class-default) only. It can be used with the queue-limit command and or the random-detect command.

The default number of queues is based on bandwidth: less than 64 Kbps is 16 queues, 64 to 128 Kbps is 32 queues, 128 to 256 Kbps is 64 queues, 256 to 512 Kbps is 128 queues, and more than 512 Kbps is 256 queues.

Example

policy-map policy1
   class class-default
     fair-queue 16
     queue-limit 20

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