Feature History For Class Maps; System Limits For Class Maps - 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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Traffic Classification Using Class Maps
Feature History for Class Maps
Cisco IOS Release
Release 12.0(17)SL
Release 12.2(15)BX
Release 12.2(28)SB
Release 12.2(33)SB
Table 2-1
of class maps per system and the number of classes per policy map include the class-default class.
Table 2-1
Processor
PRE1
PRE2
Cisco 10000 Series Router Quality of Service Configuration Guide
2-2
Description
The class map feature was introduced on the PRE1.
This feature was introduced on the PRE2.
This feature was integrated in Cisco IOS
Release 12.2(28)SB for the PRE2.
This feature was integrated in Cisco IOS
Release 12.2(31)SB2 for 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 differentiated service
code point (DSCP) value.
This feature was enhanced to support matching on the Frame
Relay Discard Eligibility (DE) bit.
lists the system limits for class maps on the Cisco 10000 series router. In the table, the number
System Limits for Class Maps
Cisco IOS Release
All Releases earlier than
Release 12.0(17)SL
Release 12.0(17)SL
and later releases
Release 12.0(25)SX
and later releases
Release 12.2(15)BX
and later releases
Release 12.3(7)XI
and later releases
Number of Match
Number of Class
Statements per
Maps per System
Class Map
256
16
256
16
256
16
262,000
16
262,000
16
Chapter 2
Classifying Traffic
Required PRE
Number of Classes
per Policy Map
16
256
32
64
127
OL-7433-09
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