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Cisco 10000 Series Router Quality of Service Configuration Guide
OL-7433-09
Chapter 1 Quality of Service Overview
QoS Features, Commands, and Changes
Cisco IOS Release: Release 12.2(33)SB
Description: This command was enhanced to enable you to match the Frame Relay discard eligibility
(DE) bit value, and was implemented on the PRE2, PRE3, and PRE4.
Class Map Feature
Cisco IOS Release: Release 12.0(17)SL
Description: The class map feature was introduced on the PRE1 to enable you to create and modify a
classification policy for traffic classes.
Cisco IOS Release: Release 12.2(15)BX
Description: This feature was introduced on the PRE2.
Cisco IOS Release: Release 12.2(28)SB
Description: This feature was integrated in Cisco IOS Release 12.2(28)SB.
Cisco IOS Release: Release 12.2(31)SB2
Description: This feature was introduced on the PRE3.
Enhancements to the modular quality of service CLI (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. The
classification is used to police ingress traffic according to the DSCP value.
Cisco IOS Release: Release 12.2(33)SB
Description: This feature was introduced on the PRE4.
Configuring QoS for MPLS Traffic
Documentation Reference: Chapter 20, “Configuring Quality of Service for MPLS Traffic”
• MPLS CoS Multi-VC Mode, page 1-18
• MPLS QoS Feature, page 1-19
• MPLS Traffic Engineering—DiffServ Aware Feature, page 1-19
MPLS CoS Multi-VC Mode
Cisco IOS Release: Release 12.0(17)S
Description: The MPLS CoS Multi-VC Mode feature was introduced on the PRE1 to enable you to map
the experimental (EXP) field values of an MPLS label to an ATM VC, creating sets of labeled virtual
circuits (LVCs) to provide varying levels of QoS services for different types of traffic in an MPLS
network.
Cisco IOS Release: Release 12.2(16)BX
Description: This feature was introduced on the PRE2.
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