Priority Level Command; Child Service Policy Allowed Under Priority Class; Multi-Level Priority Queues; Priority Queuing Feature - Cisco 10000 Series Configuration Manual
Quality of service configuration guide
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- Configuration manual (370 pages) ,
- Troubleshooting manual (70 pages) ,
- Installation manual (14 pages)
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Chapter 1
Quality of Service Overview
Cisco IOS Release: Release 12.2(31)SB2
Description: This command was introduced on the PRE3.
priority level Command
Cisco IOS Release: Release 12.2(31)SB2
Description: The priority level command was introduced on the PRE3 to allow you to configure
multiple priority queues for multiple traffic classes.
Child Service Policy Allowed Under Priority Class
Cisco IOS Release: Release 12.2(31)SB2
Description: The child service policy allowed under priority class feature was introduced on the PRE3
to allow you to attach a child policy with non-queuing features to a priority class.
Multi-Level Priority Queues
Cisco IOS Release: Release 12.2(31)SB2
Description: The multi-level priority queues (MPQ) feature was introduced on the PRE3 to allows you
to configure multiple priority queues for multiple traffic classes by specifying a different priority level
for each of the traffic classes in a single service policy map.
Priority Queuing Feature
Cisco IOS Release: Release 12.0(17)SL
Description: The priority queuing feature was introduced on the PRE1 to allow the router to dequeue
and transmit delay-sensitive data such as voice before it dequeues and sends packets in other queues.
Using priority queuing, delay-sensitive data receives preferential treatment over other traffic. This
feature allows you to set a bandwidth rate for a queue in kilobits per second.
Cisco IOS Release: Release 12.0(20)ST
Description: This feature was enhanced on the PRE1 to allow you to set a bandwidth rate for a queue
as a percentage.
Cisco IOS Release: Release 12.0(25)S
Description: This feature was modified on the PRE1 to provide strict priority queuing. Strict priority
queuing guarantees low-latency for any packet that enters a priority queue, regardless of the current
congestion level on the link. To specify a bandwidth rate for a strict priority queue, you must specify the
police command.
Cisco IOS Release: Release 12.2(16)BX
Description: This feature was introduced on the PRE2 to allow you to set a bandwidth rate for a queue
in kilobits per second or as a percentage.
OL-7433-09
Cisco 10000 Series Router Quality of Service Configuration Guide
QoS Features, Commands, and Changes
1-49
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