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Cisco Catalyst 4500 Series Software Configuration Guide

Cisco Catalyst 4500 Series
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44-22
Catalyst 4500 Series Switch, Cisco IOS Software Configuration Guide - Cisco IOS XE 3.9.xE and IOS 15.2(5)Ex
Chapter 44 Configuring Quality of Service
Configuring VSS QoS
Figure 44-3 Traffic marking Procedure Flowchart
Restrictions for Marking Network Traffic
The following restrictions apply to the following packet marking action:
• Only explicit marking is supported for policer-based marking.
Multi-attribute Marking Support
The supervisor engine can mark more than one QoS attribute of a packet matching a class of traffic. For
example, DSCP, and CoS can all be set together, using either explicit or tablemap-based marking.
Note When using unconditional explicit marking of multiple fields or policer-based multi-field, multi-region
(conform/exceed/violate) marking the number of table maps that can be setup in TOS or COS marking
tables will be less than the maximum supported.
127073
Create a class map
Using a
table map?
No Yes
No Yes
Create a policy map
Attach policy map(s)
to interface
Create a table map
Start
Finish
Create
additional
policy
maps?

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Cisco Catalyst 4500 Series Specifications

General IconGeneral
SeriesCatalyst 4500 Series
CategorySwitch
Layer SupportLayer 2, Layer 3
Form FactorModular chassis
StackableNo
Chassis Slots3, 6, 7, 10
Power Supply OptionsAC, DC
RedundancyPower supply, Supervisor engine
Network ManagementCisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
FeaturesSecurity, QoS
Port DensityUp to 384 ports per chassis
Security Features802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine8-E

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