Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x
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Table Of Contents



Document Organization

Document Conventions

Obtaining Documentation and Submitting a Service Request


This preface describes the audience, organization and conventions of the Cisco Nexus 7000 Series NX-OS Interfaces Configuration Guide, Release 5.x. It also provides information on how to obtain related documentation.


This publication is for experienced network administrators who configure and maintain Cisco NX-OS devices.

Document Organization

This document is organized into the following chapters:


Chapter 1 "Overview"

Provides an overview of the Cisco NX-OS interfaces.

Chapter 2 "Configuring Basic Interface Parameters"

Describes how you can configure the basic parameters shared by Layer 2 and Layer 3 interfaces.

Chapter 3 "Configuring Layer 2 Interfaces"

Describes how to configure Layer 2 switching ports as access or trunk ports.

Chapter 4 "Configuring Layer 3 Interfaces"

Describes how to configure Layer 3 interfaces.

Chapter 5 "Configuring Bidirectional Forwarding Detection"

Describes how to configure Bidirectional Forwarding Detection (BFD) to provide fast forwarding-path failure detection times for media types, encapsulations, topologies, and routing protocols..

Chapter 6 "Configuring Port Channels"

Describes how to configure port channels and to apply and configure the Link Aggregation Control Protocol (LACP) for a more efficient use of port channels.

Chapter 7 "Configuring vPCs"

Describes how to configure virtual port channels (vPCs).

Chapter 8 "Configuring IP Tunnels"

Describes how to configure IP tunnels using Generic Route Encapsulation (GRE) on the device.

Chapter 9 "Configuring Q-in-Q VLAN Tunnels"

Describes how to configure IEEE 802.1Q-in-Q (Q-in-Q) VLAN tunnels and Layer 2 protocol tunneling.

Chapter  ""

lists the IETF RFCs for interfaces supported in Cisco NX-OS Release 4.x

Chapter  ""

Lists the Cisco verified limits and maximum limits for devices running NX-OS Release 4.x.

Document Conventions

Command descriptions use these conventions:


boldface font

Commands and keywords are in boldface.

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.


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

Screen examples use these conventions:

screen font

Terminal sessions and information that the switch displays are in screen font.

boldface screen font

Information that 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:

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.

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:

Subscribe to the What's New in Cisco Product Documentation as an RSS feed and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free service. Cisco currently supports RSS Version 2.0.