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1-22 Avaya P550R, P580, P880, and P882 Multiservice Switch User Guide, v5.3.1
Chapter 1
■ Two CoS priority queues for 50-Series modules and eight
CoS priority queues for 80-Series modules provide flexible
queue management algorithms to meet application
requirements.
■ Configurable queue depth for each prioritized packet queues.
■ Configurable priority threshold.
■ Configurable service ratio tunes queue priority.
New Software Features
v5.3 Software Features
The following new software features are implemented in Version
5.3:
■ Custom Access Types.
This feature allows you to create custom access types in
addition to the standard READ_ONLY, READ_WRITE,
and ADMINISTRATOR access types. For information
about creating and managing custom access types, see
“Configuring Custom Access Types” on page 2-12.
■ CLI support for the following Quality of Service (QoS)
features:
— Queue servicing by means of class-based queuing (CBQ).
— Queue servicing by means of class-based weighted fair
queuing (CBWFQ).
— Policing, which makes it possible for you to limit the
bandwidth for ingress traffic and drops frames when
traffic exceeds the limit.
— New CLI commands for setting queue servicing for egress
traffic.
— Ability to view and reset QoS statistics.
— Ability to view buffer allocation.
For information on how to set up the QoS features, see
Chapter 21, “80-Series QoS.”