Displaying Auto-Qos Information; Configuring Standard Qos - Cisco Catalyst 3750 Software Configuration Manual

Chapter 26 Configuring QoS

Displaying Auto-QoS Information

To display the initial auto-QoS configuration, use the show auto qos [interface [interface-id]]
privileged EXEC command. To display any user changes to that configuration, use the show
running-config privileged EXEC command. You can compare the show auto qos and the show
running-config command displays to identify the user-defined QoS settings.
To display information about the QoS configuration that might be affected by auto-QoS, use one of these
commands:
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For more information about these commands, refer to the command reference for this release.

Configuring Standard QoS

Before configuring standard QoS, you must have a thorough understanding of these items:
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These sections describe how to configure standard QoS on your switch:
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If you need to configure outbound traffic on an ES port, see the
on page
78-15870-01
show mls qos
show mls qos maps cos-dscp
show mls qos interface [interface-id] [buffers | queueing]
show mls qos maps [cos-dscp | cos-input-q | cos-output-q | dscp-cos | dscp-input-q |
dscp-output-q]
show mls qos input-queue
show running-config
The types of applications used and the traffic patterns on your network.
Traffic characteristics and needs of your network. Is the traffic bursty? Do you need to reserve
bandwidth for voice and video streams?
Bandwidth requirements and speed of the network.
Location of congestion points in the network.
Default Standard QoS Configuration, page 26-38
Standard QoS Configuration Guidelines, page 26-40
Packet Modification, page 26-41
Enabling QoS Globally, page 26-42
Configuring Ingress Classification by Using Port Trust States, page 26-42
Configuring an Ingress QoS Policy, page 26-48
Configuring DSCP Maps, page 26-59
DSCP-to-DSCP-mutation map or the policed-DSCP map)
Configuring Ingress Queue Characteristics, page 26-64
Configuring Egress Queue-Set Characteristics, page 26-69
26-76.
(required)
(required)
(optional, unless you need to use the
(optional)
(optional)
"Configuring Hierarchical QoS" section
Catalyst 3750 Metro Switch Software Configuration Guide
Displaying Auto-QoS Information
(required
26-37