QC-9
Cisco ASR 9000 Series Aggregation Services Router Modular Quality of Service Configuration Guide
OL-23108-02
Configuring Modular QoS Service Packet
Classification and Marking on
Cisco ASR 9000 Series Routers
Packet classification identifies the traffic flow and marking identifies traffic flows that require
congestion management or congestion avoidance on a data path. The Modular Quality of Service (QoS)
command-line interface (MQC) is used to define the traffic flows that should be classified, where each
traffic flow is called a class of service, or class. Subsequently, a traffic policy is created and applied to
a class. All traffic not identified by defined classes falls into the category of a default class.
This module provides the conceptual and configuration information for QoS packet classification.
Line Card, SIP, and SPA Support
Feature History for Configuring Modular QoS Packet Classification and Marking on Cisco ASR 9000 Series Routers
Feature ASR 9000 Ethernet Line Cards SIP 700 for the ASR 9000
Classification Based on DEI yes no
Class-Based Unconditional Packet
Marking
yes yes
In-Place Policy Modification yes yes
IPv6 QoS yes yes
Packet Classification and Marking yes yes
Policy Inheritance yes yes
Port Shape Policies yes no
Shared Policy Instance yes no
Release Modification
Release 3.7.2 The Class-Based Unconditional Packet Marking feature was introduced on
ASR 9000 Ethernet Line Cards.
The IPv6 QoS feature was introduced on ASR 9000 Ethernet Line Cards.
(QoS matching on IPv6 ACLs is not supported.)
The Packet Classification and Marking feature was introduced on ASR
9000 Ethernet Line Cards.
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