Cisco Nexus 7000 Series Installation manual

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Cisco Nexus 7000 Series NX-OS Quality of
Service Command Reference, Release 5.x
October 2010
Text Part Number: OL-23378-01

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THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL
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Cisco Nexus 7000 Series NX-OS Quality of Service Command Reference, Release 5.x

© 2008–2010 Cisco Systems, Inc. All rights reserved.

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Cisco Nexus 7000 Series NX-OS Quality of Service Command Reference, Release 5.x
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CONTENTS
New and Changed Information v
Preface vii
Audience vii
Organization vii
Document Conventions vii
Related Documentation viii
Obtaining Documentation and Submitting a Service Request ix
Cisco Nexus 7000 Series NX-OS Quality of Service Commands QOS-1
bandwidth (QoS) QOS-2
bandwidth remaining QOS-5
class (policy map type qos) QOS-7
class type queuing (policy map type queuing) QOS-9
class-map type qos QOS-11
class-map type queuing match-any QOS-13
clear qos statistics QOS-14
default (table map) QOS-16
description QOS-17
from (table map) QOS-18
match access-group QOS-19
match class-map QOS-20
match cos (class map type qos) QOS-21
match cos (class map type queuing) QOS-23
match discard-class QOS-25
match dscp QOS-26
match ip rtp QOS-28
match packet length QOS-29
match precedence QOS-30
match protocol QOS-32
match qos-group QOS-34
police (QoS) QOS-36

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Contents
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police aggregate QOS-39
policy-map type qos QOS-41
policy-map type queuing QOS-43
priority (queuing) QOS-45
qos shared-policer QOS-47
qos statistics QOS-50
queue-limit QOS-51
random-detect QOS-53
random-detect cos-based QOS-56
service-policy QOS-58
set cos (policy map type qos) QOS-60
set cos (policy map type queuing) QOS-61
set discard-class QOS-63
set dscp (QoS) QOS-64
set precedence (QoS) QOS-66
set qos-group QOS-68
set table QOS-69
shape QOS-71
show class-map type qos QOS-73
show class-map type queuing QOS-75
show policy-map QOS-77
show policy-map interface QOS-79
show policy-map interface brief QOS-82
show policy-map vlan QOS-84
show qos shared-policer QOS-86
show queuing interface QOS-87
show running-config ipqos QOS-89
show table-map QOS-94
table-map QOS-96

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v
Cisco Nexus 7000 Series NX-OS Quality of Service Command Reference, Release 5.x
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New and Changed Information
This chapter provides release-specific information for each new and changed feature in the Cisco Nexus
7000 Series NX-OS Quality of Service Command Reference, Release 5.x.
To check for additional information about Cisco NX-OS Release 5.1(1), see the Cisco Nexus 7000 Series
NX-OS Release Notes, Release 5.x available at the following Cisco website:
http://www.cisco.com/en/US/docs/switches/datacenter/sw/5_x/nx-os/release/notes/51_nx-os_release_
note.html
Table 1 summarizes the new and changed features for the Cisco Nexus 7000 Series NX-OS Quality of
Service Command Reference, Release 5.x.
Ta b l e 1 New and Changed Features for Release 5.1(1)
Feature Description
Changed in
Release Where Documented
Network QoS Policy Added the ability to define the characteristics
of each CoS value by configuring a network
qos policy.
5.1(1) class-map type network-qos
match-any,
congestion-control,
match cos (class map type
network-qos),
mtu,
pause,
policy-map type network-qos,
qos copy policy-map,
show class-map type
network-qos,
show policy-map system type
network-qos,
show policy-map type
network-qos,
show qos dcbxp
Priority Flow Control Added the ability to configure priority flow
control to avoid frame loss due to congestion.
5.1(1) priority-flow-control mode,
show interface
priority-flow-control
Match IPv6 Added the ability to match match IPv6 as well
as IPv4 ACLs.
4.1(2) match access-group

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New and Changed Information
Only similar values in
mutation mapping
Added the limitation to set only similar values
when a mutation map is created. For example,
you can set cos-cos or dscp-dscp; you cannot
set cos-dscp or dscp-precedence.
4.1(2) set table
The qos-dynamic
variable
Added the ability for the qos-dynamic
variable to list the class-map and policy-map
names that are already configured in a class.
4.2(1) class (policy map type qos)
Table 1 New and Changed Features for Release 5.1(1) (continued)
Feature Description
Changed in
Release Where Documented

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Cisco Nexus 7000 Series NX-OS Quality of Service Command Reference, Release 5.x
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Preface
This preface describes the audience, organization, and conventions of the Cisco Nexus 7000 Series
NX-OS Quality of Service Command Reference, Release 5.x. It also provides information on how to
obtain related documentation.
This chapter includes the following sections:
• Audience, page vii
• Organization, page vii
• Document Conventions, page vii
• Related Documentation, page viii
• Obtaining Documentation and Submitting a Service Request, page ix
Audience
This publication is for experienced users who configure and maintain NX-OS devices.
Organization
This reference is organized as follows:
Document Conventions
Command descriptions use these conventions:
Chapter and Title Description
New and Changed Information Describes the new and changed information for
each Cisco NX-OS software release.
Cisco Nexus 7000 Series NX-OS Quality of
Service Commands
Describes the Cisco NX-OS quality of service
commands.
Convention Description
boldface font Commands and keywords are in boldface.

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Preface
Screen examples use these conventions:
This document uses the following conventions:
Note Means reader take note. Notes contain helpful suggestions or references to material not covered in the
manual.
Caution Means reader be careful. In this situation, you might do something that could result in equipment
damage or loss of data.
Tip Means the following information will help you solve a problem.
Related Documentation
Cisco NX-OS includes the following documents:
Release Notes
Cisco Nexus 7000 Series NX-OS Release Notes, Release 5.x
NX-OS Configuration Guides
Cisco Nexus 7000 Series NX-OS Getting Started with Virtual Device Contexts, Release 5.x
Cisco Nexus 7000 Series OTV Quick Start Guide
Cisco Nexus 7000 Series NX-OS Fundamentals Configuration Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x
italic font Arguments for which you supply values are in italics.
[ ] Elements in square brackets are optional.
[ x| y| z] Optional alternative keywords are grouped in brackets and separated by vertical
bars.
string A nonquoted set of characters. Do not use quotation marks around the string or
the string will include the quotation marks.
screen font Terminal sessions and information that the switch displays are in screen font.
boldface screen
font
Information you must enter is in boldface screen font.
italic screen font Arguments for which you supply values are in italic screen font.
< > Nonprinting characters, such as passwords, are in angle brackets.
[ ] Default responses to system prompts are in square brackets.
!, # An exclamation point (!) or a pound sign (#) at the beginning of a line of code
indicates a comment line.

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Preface
Cisco Nexus 7000 Series NX-OS Layer 2 Switching Configuration Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS Quality of Service Configuration Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS Unicast Routing Configuration Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS Multicast Routing Configuration Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS Security Configuration Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS OTV Configuration Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS Virtual Device Context Configuration Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS FabricPath Configuration Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS Software Upgrade and Downgrade Guide, Release 5.x
Cisco NX-OS Licensing Guide
Cisco Nexus 7000 Series NX-OS High Availability and Redundancy Guide, Release 5.x
Cisco Nexus 7000 Series NX-OS System Management Configuration Guide, Release 5.x
Cisco NX-OS XML Management Interface User Guide, Release 5.x
Cisco NX-OS System Messages Reference
Cisco Nexus 7000 Series NX-OS MIB Quick Reference
NX-OS Command References
Cisco Nexus 7000 Series NX-OS Command Reference Master Index, Release 5.x
Cisco Nexus 7000 Series NX-OS Fundamentals Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS Interfaces Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS Layer 2 Switching Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS Quality of Service Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS Unicast Routing Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS Multicast Routing Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS Security Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS OTV Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS Virtual Device Context Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS FabricPath Command Reference, Release 5.x
Cisco Nexus 7000 Series NX-OS System Management Command Reference, Release 5.x
Other Software Document
Cisco Nexus 7000 Series NX-OS Troubleshooting Guide
Obtaining Documentation and Submitting a Service Request
For information on obtaining documentation, submitting a service request, and gathering additional
information, see the monthly What’s New in Cisco Product Documentation, which also lists all new and
revised Cisco technical documentation, at:
http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html

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Preface
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