Mls Qos Queue-Set Output Buffers - Cisco Catalyst 2960 Command Reference Manual

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mls qos queue-set output buffers

Use the mls qos queue-set output buffers global configuration command to allocate buffers to a

queue-set (four egress queues per port). Use the no form of this command to return to the default setting.

Syntax Description

allocation1 ...

All allocation values are equally mapped among the four queues (25, 25, 25, 25). Each queue has 1/4 of

the buffer space.

Command Modes

Global configuration

Command History

Usage Guidelines

Specify four allocation values, and separate each with a space.

Allocate buffers according to the importance of the traffic; for example, give a large percentage of the

buffer to the queue with the highest-priority traffic.

To configure different classes of traffic with different characteristics, use this command with the mls qos

queue-set output qset-id threshold global configuration command.

The egress queue default settings are suitable for most situations. You should change them only when

you have a thorough understanding of the egress queues and if these settings do not meet your QoS

Catalyst 2960 Switch Command Reference

mls qos queue-set output qset-id buffers allocation1 ... allocation4

no mls qos queue-set output qset-id buffers

ID of the queue-set. Each port belongs to a queue-set, which defines all the

characteristics of the four egress queues per port. The range is 1 to 2.

Buffer space allocation (percentage) for each queue (four values for queues 1 to 4).

For allocation1, allocation3, and allocation4, the range is 0 to 99. For allocation2,

the range is 1 to 100 (including the CPU buffer). Separate each value with a space.

Modification

This command was introduced.

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