Cisco Nexus 7000 Series NX-OS SAN Switching Configuration Guide
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This preface describes the audience, organization, and conventions of the Cisco Nexus 7000 Series NX-OS SAN Switching Configuration Guide. It also provides information on how to obtain related documentation.


This publication is for experienced network administrators who configure and maintain Cisco NX-OS 7000 Series switches and Cisco Nexus 2000 Series Fabric Extenders.

Document Organization

This document is organized into the following chapters:


Overview Provides an overview of all the features in this guide.
Configuring Domain Parameters Describes configuration information for domain parameters, domain IDs, and FC IDs.
Configuring NPIV Describes how to configure N-port interface virtualization.
Configuring VSAN Trunking Describes TE ports and trunking concepts and how to configure VSAN trunking, and how to enable trunking protocols.
Configuring and Managing VSANs Describes how virtual SANs (VSANs) work, explains the concept of default VSANs, isolated VSANs, VSAN IDs, and attributes, and provides details on how to create, delete, and view VSANs.
DPVM Describes how to dynamically assign VSANs to a port.
Configuring and Managing Zones Defines various zoning concepts and provides details on configuring a zone set and zone management features.
Distributing Device Alias Services Describes the use of the Distributed Device Alias Services (device alias) to distribute device alias names on a fabric-wide basis.
Configuring Fibre Channel Routing Services and Protocols Provides details and configuration information on Fibre Channel routing services and protocols.
Managing FLOGI, Name Server, FDMI, an RSCN Databases Provides name server and fabric login details required to manage storage devices and display registered state change notification (RSCN) databases.
Advanced Fibre Channel Features and Concepts Describes the advanced configuration features time-out values, fctrace, fabric analyzer, world wide names, flat FC IDs, loop monitoring, and interoperating switches.
Configuring FC-SP and DHCHAP Describes the DHCHAP protocol, which is an FC-SP protocol that provides authentication between SAN switches and other devices.
Configuring Port Security Provides details on port security features that can prevent unauthorized access to a switch port in the Cisco SAN switches.
Configuring Fabric Binding Describes the fabric binding security feature for VSANs, which ensures that ISLs are only enabled between specific switches.
Configuring Port Tracking Describes the port tracking feature and provides information to enable port tracking and to configure linked ports.
IVR Describes how to enable IVR and IVR distribution.
IVR NAT and Auto Topology Describes how to configure IVR NAT and Auto Topology.

Document Conventions

Command descriptions use the following conventions:

Convention Description

Bold text indicates the commands and keywords that you enter literally as shown.


Italic text indicates arguments for which the user supplies the values.


Square brackets enclose an optional element (keyword or argument).

[x | y]

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 | z}]

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.


Indicates a variable for which you supply values, in context where italics cannot be used.

string A nonquoted set of characters. Do not use quotation marks around the string or the string will include the quotation marks.

Examples use the following conventions:

Convention Description
screen font

Terminal sessions and information 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.

This document uses the following conventions:


Means reader take note. Notes contain helpful suggestions or references to material not covered in the manual.


Means reader be careful. In this situation, you might do something that could result in equipment damage or loss of data.

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:


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