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

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Name

fair-queue limit — interface

Synopsis

fair-queue {qos-group group | tos number} limit class-packet-size
no fair-queue {qos-group group | tos number} limit class-packet-size

Configures

Maximum queue depth for a specific DWFQ class

Default

Half the aggregate limit size unless the individual limit is set, in which case that is the default

Description

This command sets the queue size for a specific DWFQ. The qos-group number can be from 1 to 99; it is used to match the value set by the Committed Access Rate (CAR) or the BGP policy propagation. The tos value is used to match the two low-order IP precedence bits in the ToS (Type of Service) field. The class-packet-size is the maximum number of packets allowed in the queue during periods of congestion.

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