Cisco Nexus 7000 Series User manual

Cisco Nexus 7000 Series Switches Configuration Guide: The Catena
Solution
First Published: 2016-12-21
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CONTENTS
Preface Preface v
Preface v
Audience v
Document Conventions v
Related Documentation vii
Documentation Feedback vii
Obtaining Documentation and Submitting a Service Request vii
CHAPTER 1 New and Changed Information 1
CHAPTER 2 Configuring the Catena Solution 3
Finding Feature Information 3
Feature History for Catena 3
Information About Catena 4
Catena Feature Overview 4
Benefits of Catena 5
Enabling Chaining with Catena 5
Deployment Modes 5
Transparent Mode 6
Hash-based Load Balancing 6
Routed Mode 7
Configuring the Catena Solution 7
Enabling or Disabling the Catena Solution 7
Configuring a Port Group 8
Configuring a VLAN Group 9
Configuring a Device Group 9
Configuring an IP ACL 10
Cisco Nexus 7000 Series Switches Configuration Guide: The Catena Solution
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Configuring a Port ACL 10
Configuring a Catena Instance 11
Enabling a Catena Instance 12
Verifying the Catena Configuration 12
Configuration Examples for Catena 13
Configuration Example for Catena—Transparent Mode VACL 14
Configuration Example for Catena—Transparent Mode PACL 15
Configuration Example for Catena—Hash-based Load Balancing 16
Configuration Example for Catena—Routed Mode 17
Verifying Configuration Examples for Catena 18
Related Documents for Catena 19
Cisco Nexus 7000 Series Switches Configuration Guide: The Catena Solution
iv
Contents

Preface
This preface describes the audience, organization and conventions of the Cisco Nexus 7000 Series NX-OS
Catena Configuration Guide. It also provides information on how to obtain related documentation.
•Preface, page v
Preface
This preface describes the audience, organization, and conventions of the Book Title. It also provides
information on how to obtain related documentation.
This chapter includes the following topics:
Audience
This publication is for experienced network administrators who configure and maintain Cisco NX-OS on
Cisco Nexus 7000 Series Platform switches.
Document Conventions
Note •As part of our constant endeavor to remodel our documents to meet our customers' requirements,
we have modified the manner in which we document configuration tasks. As a result of this, you
may find a deviation in the style used to describe these tasks, with the newly included sections of
the document following the new format.
•The Guidelines and Limitations section contains general guidelines and limitations that are applicable
to all the features, and the feature-specific guidelines and limitations that are applicable only to the
corresponding feature.
Command descriptions use the following conventions:
Cisco Nexus 7000 Series Switches Configuration Guide: The Catena Solution
v

DescriptionConvention
Bold text indicates the commands and keywords that you enter literally
as shown.
bold
Italic text indicates arguments for which the user supplies the values.
Italic
Square brackets enclose an optional element (keyword or argument).[x]
Square brackets enclosing keywords or arguments separated by a vertical
bar indicate an optional choice.
[x | y]
Braces enclosing keywords or arguments separated by a vertical bar
indicate a required choice.
{x | y}
Nested set of square brackets or braces indicate optional or required
choices within optional or required elements. Braces and a vertical bar
within square brackets indicate a required choice within an optional
element.
[x {y | z}]
Indicates a variable for which you supply values, in context where italics
cannot be used.
variable
A nonquoted set of characters. Do not use quotation marks around the
string or the string will include the quotation marks.
string
Examples use the following conventions:
DescriptionConvention
Terminal sessions and information the switch displays are in screen font.screen font
Information you must enter is in boldface screen font.boldface screen font
Arguments for which you supply values are in italic screen font.
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.
!, #
This document uses the following conventions:
Means reader take note. Notes contain helpful suggestions or references to material not covered in the
manual.
Note
Cisco Nexus 7000 Series Switches Configuration Guide: The Catena Solution
vi
Preface
Document Conventions

Means reader be careful. In this situation, you might do something that could result in equipment damage
or loss of data.
Caution
Related Documentation
Documentation for Cisco Nexus 7000 Series Switches is available at:
•Configuration Guides
http://www.cisco.com/c/en/us/support/switches/nexus-7000-series-switches/
products-installation-and-configuration-guides-list.html
•Command Reference Guides
http://www.cisco.com/c/en/us/support/switches/nexus-7000-series-switches/
products-command-reference-list.html
•Release Notes
http://www.cisco.com/c/en/us/support/switches/nexus-7000-series-switches/
products-release-notes-list.html
•Install and Upgrade Guides
http://www.cisco.com/c/en/us/support/switches/nexus-7000-series-switches/
products-installation-guides-list.html
•Licensing Guide
http://www.cisco.com/c/en/us/support/switches/nexus-7000-series-switches/
products-licensing-information-listing.html
Documentation for Cisco Nexus 7000 Series Switches and Cisco Nexus 2000 Series Fabric Extenders is
available at the following URL:
http://www.cisco.com/c/en/us/support/switches/nexus-2000-series-fabric-extenders/
products-installation-and-configuration-guides-list.html
Documentation Feedback
To provide technical feedback on this document, or to report an error or omission, please send your comments
to [email protected]. We appreciate your feedback.
Obtaining Documentation and Submitting a Service Request
For information on obtaining documentation, using the Cisco Bug Search Tool (BST), submitting a service
request, and gathering additional information, see What's New in Cisco Product Documentation.
To receive new and revised Cisco technical content directly to your desktop, you can subscribe to the What's
New in Cisco Product Documentation RSS feed. RSS feeds are a free service.
Cisco Nexus 7000 Series Switches Configuration Guide: The Catena Solution
vii
Preface
Related Documentation

Cisco Nexus 7000 Series Switches Configuration Guide: The Catena Solution
viii
Preface
Obtaining Documentation and Submitting a Service Request

CHAPTER 1
New and Changed Information
The table below summarizes the new and changed information in this document, and shows the releases in
which each feature is supported. Your software release might not support all the features in this document.
For the latest caveats and feature information, see the Bug Search Tool at https://tools.cisco.com/bugsearch/
and the release notes for your software release.
Table 1: New and Changed Catena Features
Where DocumentedReleaseDescriptionFeature Name
Configuring the Catena
Solution
8.0(1)Introduced this feature.
The following commands
were introduced:
•access-list
•catena
•catena
device-group
•catena port-group
•catena vlan-group
•chain
•feature catena
•interface
•node
•probe
•show catena
•show
running-config
catena
•vlan
The Catena Solution
Cisco Nexus 7000 Series Switches Configuration Guide: The Catena Solution
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Cisco Nexus 7000 Series Switches Configuration Guide: The Catena Solution
2
New and Changed Information