Cisco 10000 Series User Manual

1-3
Cisco 10000 Series Router Quality of Service Configuration Guide
OL-7433-09
Chapter 1 Quality of Service Overview
Modular QoS Command-Line Interface
• Using the legacy Frame Relay QoS CLI, you can enable Weighted Random Early Detection
(WRED), traffic shaping, fair queuing, and low-latency queuing on a PVC basis.
Using the MQC, you can configure the following elements:
• Class map—Defines the criteria by which packets are classified.
• Policy map—Defines the actions to be taken on the traffic matching the class map criteria.
• Service policy—Attaches the service policy to an interface and specifies if the policy is to be applied
to inbound or outbound traffic.
For more information about class maps, policy maps, and service policies, see the following chapters in
this guide:
• Chapter 2, “Classifying Traffic”
• Chapter 3, “Configuring QoS Policy Actions and Rules”
• Chapter 4, “Attaching Service Policies”
Feature History for MQC
QoS CLI Migration from PRE2 to PRE3
The Quality of Service (QoS) Command Line Interface (CLI) Migration from PRE2 to PRE3 feature
provides QoS CLI backward-compatibility between the PRE2 and PRE3, thereby enabling the PRE3 to
accept PRE2-style commands.
The PRE2 uses a proprietary version of the modular QoS CLI, while the PRE3 uses a non-proprietary
CLI. The QoS CLI migration feature enables the PRE3 to parse PRE2-style commands and translate
them to PRE3 commands.
For more information, see the QoS CLI Migration from PRE2 to PRE3, Release 12.2(31)SB2 feature
module.
Cisco IOS Release Description Required PRE
Release 12.0(17)SL The MQC feature was introduced on the PRE1. PRE1
Release 12.2(15)BX This feature was introduced on the PRE2. PRE2
Release 12.2(28)SB This feature was integrated in Cisco IOS
Release
12.2(28)SB for the PRE2.
PRE2
Release 12.2(31)SB2 This feature was introduced on the PRE3 and included the
new qos match statistics command.
Enhancements to the MQC allow you to classify packets
on the L2TP access concentrator (LAC) based upon the IP
type of service (ToS) bits in an embedded IP packet. When
a policer is configured, the router uses the packet
classification to police ingress traffic according to the
DSCP value.
PRE3
Release 12.2(33)SB This feature was introduced on the PRE4. PRE4

Cisco 10000 Series Specifications

General

Brand	Cisco
Model	10000 Series
Category	Network Router
Language	English