Cisco Catalyst 4500 Series Administration Guide

42-47
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 QoS on a Standalone Supervisor Engine 6-E/6L-E or Supervisor Engine 7-E/7L-E/8-E
This is a global configuration command. You can override it with the per port, per class, queue-limit
command.
For a standalone supervisor engine, you must reboot the engine after applying this command.
For redundant supervisors in SSO mode, you must enter the redundancy reload shelf command enforce
reboot to both the supervisors. For redundancy supervisors in RPR mode, you must execute two
consecutive switchovers to enforce the system queue limit on both the supervisors.
This example shows how to set the queue limit globally to 1024 on a standalone supervisor engine:
Switch> enable
Switch# configure terminal
Switch(config)# hw-module system max-queue-limit 1024
Switch(config)# exit
Switch# reload (for standalone supervisors)
Switch# redundancy reload shelf (for redundancy supervisors in SSO mode)
or
Switch# redundancy force-switchover (followed by another redundancy force-switchover, for
redundancy supervisors in RPR mode)
Configuring QoS on a Standalone Supervisor Engine 6-E/6L-E or
Supervisor Engine 7-E/7L-E/8-E
Note HQoS is not supported on the Catalyst 4500 Series Switch.
Topics include:
• MQC-based QoS Configuration, page 42-48
• Platform-supported Classification Criteria and QoS Features, page 42-48
• Platform Hardware Capabilities, page 42-49
• Prerequisites for Applying a QoS Service Policy, page 42-49
• Restrictions for Applying a QoS Service Policy, page 42-50
• Classification, page 42-50
• Policing, page 42-51
• Marking Network Traffic, page 42-52
• Shaping, Sharing (Bandwidth), Priority Queuing, Queue-limiting and DBL, page 42-59
Step 3
Switch(config)# exit
Returns to privileged EXEC mode.
Step 4
Switch# reload
or
Switch# redundancy reload shelf
Switch# redundancy force-switchover
Reloads standalone supervisor engine.
Reloads redundancy supervisor engine in SSO mode.
Reloads redundancy supervisor engine in RPR mode.
This command must be followed by another redundancy
force-switchover.
Command Purpose

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