Cisco Catalyst 4500 Series Administration Guide

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Software Configuration Guide—Release IOS XE 3.6.0E and IOS 15.2(2)E
OL_28731-01
Chapter 42 Configuring Quality of Service
Configuring VSS Auto-QoS
Note QoS is a two way street. So, it might work in one direction and not in the other.
• There are 7 policy maps that must be defined (5 Input, 2 output)
• AutoQos-4.0-Input-Policy
• AutoQos-VoIP-Input-Cos-Policy
• AutoQos-VoIP-Input-Dscp-Policy
• AutoQos-4.0-Cisco-Phone-Input-Policy
• AutoQos-4.0-Output-Policy
• AutoQos-4.0-Cisco-Softphone-Input-Policy
• AutoQos-VoIP-Output-Policy
On all ports. The problem with COS is that packets on the native VLAN is marked as zero.
The class maps used for input matching are as follows:
! for control traffic between the phone and the callmanager
! and phone to phone [Bearer] DSCP matching
class-map match-all AutoQos-VoIP-Control-Dscp26
match dscp af31
class-map match-all AutoQos-VoIP-Control-Dscp24
match dscp cs3
class-map match-all AutoQos-VoIP-Bearer-Dscp
match dscp ef
! for control traffic and phone to phone [Bearer] COS matching
! Note: Both CS3 and AF31 control traffic maps to COS 3
class-map match-all AutoQos-VoIP-Control-Cos
match cos 3
class-map match-all AutoQos-VoIP-Bearer-Cos
match cos 5
! for control traffic between the softphonephone and the callmanager
! and softphone to softphonephone [Bearer] DSCP matching
Class Map match-all AutoQos-4.0-Multimedia-Conf-Classify (id 36)
Match access-group name AutoQos-4.0-ACL-Multimedia-Conf
Class Map match-all AutoQos-4.0-Signaling-Classify (id 2)
Match access-group name AutoQos-4.0-ACL-Signaling
Class Map match-all AutoQos-4.0-Transaction-Classify (id 18)
Match access-group name AutoQos-4.0-ACL-Transactional-Data
Class Map match-all AutoQos-4.0-Bulk-Data-Classify (id 29)
Match access-group name AutoQos-4.0-ACL-Bulk-Data
Class Map match-all AutoQos-4.0-Scavenger-Classify (id 1)
Match access-group name AutoQos-4.0-ACL-Scavenger
! for untrueted interfaces
class-map match-all AutoQos-4.0-Multimedia-Conf-Classify
match access-group name AutoQos-4.0-ACL-Multimedia-Conf
class-map match-all AutoQos-4.0-Signaling-Classify
match access-group name AutoQos-4.0-ACL-Signaling
class-map match-all AutoQos-4.0-Transaction-Classify
match access-group name AutoQos-4.0-ACL-Transactional-Data
class-map match-all AutoQos-4.0-Bulk-Data-Classify
match access-group name AutoQos-4.0-ACL-Bulk-Data
class-map match-all AutoQos-4.0-Scavenger-Classify
match access-group name AutoQos-4.0-ACL-Scavenger

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E