Preface

The Troubleshooting document provides information about how to recognize a problem, determine its cause, and find possible solutions.

This preface describes the following aspects of this document:

Audience

This publication is for experienced network administrators who configure and maintain a Cisco Nexus 1000V.

Document Organization

This document is organized into the following chapters:

Title
Description

Chapter 1, “Overview of Troubleshooting”

Describes basic troubleshooting information.

Chapter 2, “Tools Used in Troubleshooting”

Describes the available troubleshooting tools.

Chapter 3, “Installation”

Describes how to troubleshoot installation problems.

Chapter 4, “Licenses”

Describes how to identify and resolve problems related to licensing for theCisco Nexus 1000V.

Chapter 5, “Upgrade”

Describes how to troubleshoot upgrade problems.

Chapter 6, “High Availability”

Describes how to identify and resolve problems related to High Availability (HA).

Chapter 7, “VSM and VEM Modules”

Describes how to identify and resolve problems with modules.

Chapter 8, “Ports”

Describes how to identify and resolve problems with ports.

Chapter 9, “Port Profiles”

Describes how to identify and resolve problems with port profiles.

Chapter 10, “Port Channels and Trunking”

Describes how to identify and resolve problems with port channels and trunks.

Chapter 11, “Layer 2 Switching”

Describes how to identify and resolve problems with Layer 2 switching.

Chapter 12, “VLANs”

Describes how to identify and resolve problems with VLANs.

Chapter 13, “Private VLANs”

Describes how to identify and resolve problems related to private VLANs.

Chapter 14, “NetFlow”

Describes how to identify and resolve problems with NetFlow.

Chapter 15, “ACLs”

Describes how to identify and resolve problems with ACLs.

Chapter 16, “Quality of Service”

Describes how to identify and resolve problems related to Quality of Service (QoS).

Chapter 17, “SPAN”

Describes how to identify and resolve problems with SPAN.

Chapter 18, “Multicast IGMP”

Describes how to identify and resolve problems with multicast.

Chapter 19, “DHCP, DAI, and IPSG”

Describes how to identify and resolve problems related to DHCP snooping, Dynamic ARP Inspection, and IP Source Guard.

Chapter 20, “Virtual Service Domain”

Describes how to identify and resolve problems related to Virtual Service Domain (VSD).

Chapter 21, “System”

Describes how to identify and resolve problems with VMware.

Chapter 22, “Before Contacting Technical Support”

Describes the steps to take before requesting technical support.

Document Conventions

Command descriptions use these conventions:

Convention
Description

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.

string

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.

Available Documents

This section lists the documents used with the Cisco Nexus 1000 and available on Cisco.com at the following url:

http://www.cisco.com/en/US/products/ps9902/tsd_products_support_series_home.html

Virtual Network Management Center

Cisco Virtual Network Management Center

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

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