Qos Control Define - 3Com 4007 Command Reference Manual

3com 4007: reference guide

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qos control define

Defines a control for one or more existing classifiers on a Multilayer

Switching Module.

Valid Minimum Abbreviation

Important Considerations

A control can assign multiple rate limit values and an IEEE 802.1p

priority tag value to the packets that are associated with one or more

classifiers.

The module prompts you according to the rate limit type that you

select. You can only use one rate limit type (

) per control. For a type of receivePort or aggregate,

you can specify multiple rate-limit values for groups of ports or

individual ports. The aggregate rate limit type can only be applied

to flow classifiers.

Loss-eligible packets are conforming packets that are discarded

instead of queued when transmit queues back up beyond a threshold.

You can specify whether conforming packets (as well as

nonconforming excess packets) are loss eligible when you define the

control. Marking packets loss eligible is useful for an intelligent discard

of traffic in a congestion situation. Nonconforming excess packets are

packets that exceed the specified rate limit.

With the QoS timer control, you can configure QoS control sessions

with starting and ending times (similar to using a VCR).