Cisco Nexus 1010 Troubleshooting Guide, Release 4.2(1)SP1(4)

Table Of Contents

Cisco Nexus 1010 Troubleshooting Guide, Release 4.2(1)SP1(4)

Information About Cisco Nexus 1010 Product Family

Overview of the Troubleshooting Process

Overview of Best Practices

Troubleshooting with Logs

Cisco Support Communities

Contacting Cisco Customer Support

Problems with Cisco Nexus 1010 Product Family

Cisco Nexus 1010 Troubleshooting Commands

Additional References

Related Documentation

Obtaining Documentation and Submitting a Service Request

Cisco Nexus 1010 Troubleshooting Guide, Release 4.2(1)SP1(4)

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Revised: July 17, 2013
OL-26650-01

This document describes how to identify and resolve problems with the Cisco Nexus 1010 product family and includes the following topics:

•Information About Cisco Nexus 1010 Product Family

•Overview of the Troubleshooting Process

•Troubleshooting with Logs

•Cisco Support Communities

•Contacting Cisco Customer Support

•Problems with Cisco Nexus 1010 Product Family

•Cisco Nexus 1010 Troubleshooting Commands

•Additional References

•Related Documentation

•Obtaining Documentation and Submitting a Service Request

Information About Cisco Nexus 1010 Product Family

For detailed information about the overview of the Cisco Nexus 1010 product family and how to install and upgrade Cisco Nexus 1010, see the Cisco Nexus 1010 Software Installation and Upgrade Guide, Release 4.2(1)SP1(4).

For detailed information about how to configure the Cisco Nexus 1010 product family, see the Cisco Nexus 1010 Software Configuration Guide, Release 4.2(1)SP1(4).

Overview of the Troubleshooting Process

To troubleshoot your network, follow these general steps:

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Step 1 Gather information that defines the specific symptoms.

Step 2 Identify all potential problems that could be causing the symptoms.

Step 3 Systematically eliminate each potential problem (from most likely to least likely) until the symptoms disappear.

Overview of Best Practices

Best practices are the recommended steps you should take to ensure the proper operation of your network. We recommend the following general best practices for most networks:

•Maintain a consistent Cisco Nexus 1010 release across all network devices.

•Refer to the release notes for your Cisco Nexus 1010 release for the latest features, limitations, and caveats.

•Enable system message logging.

•Verify and troubleshoot any new configuration changes after implementing the change.

Troubleshooting with Logs

Cisco Nexus 1010 generates many types of system messages on the switch and sends them to a syslog server. These messages can be viewed to determine what events may have led up to the current problem condition you are facing.

Use the following commands to access and view logs in the Cisco Nexus 1010:

•To view logs enter the following command:

show logging

•To view Cisco Nexus 1010 information enter the following command:

show tech-support nexus1010

•To access agent logs, enter the following command:

nexus-1010-system get agent logs

•To access redundancy logs, enter the following command:

show system internal redundancy trace

show system redundancy status

•To access default enabled logs, enter the following command:

show nexus1010-mgr internal event-history errors > bootflash:log

Cisco Support Communities

For additional information, visit one of the following support communities:

•Cisco Support Community for Server Networking

•Cisco Communities: Nexus 1000V

Contacting Cisco Customer Support

If you are unable to solve a problem after using the troubleshooting suggestions in this guide, contact a customer service representative for assistance and further instructions. Before you call, have the following information ready to help your service provider assist you as quickly as possible:

•Version of the Cisco Nexus 1010 software that you are running

•Contact phone number.

•Brief description of the problem

•Brief explanation of the steps you have already taken to isolate and resolve the problem

After you have collected this information, see the "Obtaining Documentation and Submitting a Service Request" section.

Problems with Cisco Nexus 1010 Product Family

This section includes symptoms, possible causes and solutions for the following problems with Cisco Nexus 1010 product family. .

Table 1-1 Problems with Cisco Nexus 1010 Product Family

Symptom	Possible Causes	Verification and Solution
The output of the show system redundancy status command, displays the standby Cisco Nexus 1010 in warm standby state.	This may occur when there is no control traffic communication between the Cisco Nexus 1010 HA pair.	1. Verify if the control VLAN configuration of both primary and secondary Cisco Nexus 1010 is the same. show svs domain 2. Verify if the upstream switch for both primary and secondary Cisco Nexus 1010 is configured by allowing the control VLAN in the list of VLAN permitted in the upstream trunk port. interface name switchport trunk allowed vlan add id 3. Verify the status of the ports. show network uplink
The output of the show virtual-service-blade summary command displays the status of the VSB on the active Cisco Nexus 1010 as power in progress and the status of the VSB on the standby Cisco Nexus 1010 as powered on.	This may occur after the reload or upgrade of Cisco Nexus 1010.	1. Manually sync the state of the VSB on the Cisco Nexus 1010. Enter the command in the virtual service blade configuration mode. description " " 2. Verify the status of the VSB. show virtual-service-blade summary
Removal of a VSB fails and the following error message is logged: Previous command in progress	Multiple operations were carried out on the VSB before it was removed.	1. Manually remove the VSB using the following command: no enable force 2. Verify the removal of the VSB. show virtual-service-blade summary
Cisco Nexus 1010 reboots continuously and the following error message is logged: Failed To boot server	In the flexible network uplink types, invalid network uplink types were assigned to Cisco Nexus 1010.	Ensure that only valid uplinks are assigned to Cisco Nexus 1010. See the Cisco Nexus 1010 Software Configuration Guide, Release 4.2(1)SP1(4) for valid uplink types.
Any changes to network uplink type assignment fails with the the following error message: Cannot assign a port or a port channel with itself or member port in administratively shut state to control interface	One of the members of the port channel is administratively down.	1. Verify if any of the port is in administratively down state. show network summary 2. Bring the port to administratively up state. no shut 3. Reassign network uplink type in Cisco Nexus 1010. See the Cisco Nexus 1010 Software Configuration Guide, Release 4.2(1)SP1(4) for assigning uplink types.
Removal of port channel fails with the following error message: Interface (GigabitEthernet1) pc in use by rt mgr while trying to remove a Gig member from a port channel.	The port channel is in use by Cisco Nexus 1010.	Verify if the port channel is in use in theCisco Nexus 1010 Show network summary Show network port-channel summary
VSB is not created on the secondary Cisco Nexus 1010 even if the Cisco Nexus 1010 is in sync and in HA mode.	An error occurred during the automatic creation of the VSB on the secondary Cisco Nexus 1010.	Manually create the VSB on the secondary Cisco Nexus 1010. See the Cisco Nexus 1010 Software Configuration Guide, Release 4.2(1)SP1(4) for creating VSBs.
After rebooting the Cisco Nexus 1010s, the configured VSBs do not appear.	Cisco Nexus 1010 configuration may not have been saved after creating the VSBs.	Contact a customer service representative for assistance to recover pointers to the VSBs. Note Do not attempt to modify the Cisco Nexus 1010 configuration or reload the VSB.

Cisco Nexus 1010 Troubleshooting Commands

You can use the commands in this section to troubleshoot problems related to Cisco Nexus 1010.

Table 2 Cisco Nexus 1010Troubleshooting Commands  

Command	Purpose
show tech-support	Displays switch information for Cisco TAC to assist you in diagnosing issues
show network	Displays information about the network.
show virtual-service-blade	Displays information about the virtual service blade.
show cdp	Displays the CDP configuration and capabilities for your device
show interface	Displays information about interface configuration.
show network port-channel summary	Displays summary information of port channels in the network.
show system redundancy status	Displays the redundancy state (active or standby) and the redundancy role (primary or secondary) for the Cisco Nexus 1010s.
show network cdp neighbors	Displays uplink connectivity for the active or standby Cisco Nexus 1010.

For detailed information about show command output, see the Cisco Nexus 1010 Command Reference, Release 4.2(1)SP1(4).

Additional References

Related Topic	Document Title
Hardware installation	Cisco Nexus 1010 Virtual Services Appliance Hardware Installation Guide
Software installation and upgrade	Cisco Nexus 1010 Software Installation and Upgrade Guide, Release 4.2(1)SP1(4)
Cisco Nexus 1010 software configuration	Cisco Nexus 1010 Software Configuration Guide, Release 4.2(1)SP1(4)
Cisco Nexus 1010 commands	Cisco Nexus 1010 Command Reference, Release 4.2(1)SP1(4)
CIMC management	CIMC Firmware Management on UCS C-Series Servers
Password Recovery Procedure for Cisco NX-OS	http://www.cisco.com/en/US/docs/switches/datacenter/sw/password_recovery/nx_os_pw.html

Related Documentation

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/ps12752/tsd_products_support_series_home.html

General Information

Cisco Nexus 1000V Documentation Roadmap, Release 4.2(1)SV1(5.1)

Cisco Nexus 1000V Release Notes, Release 4.2(1)SV1(5.1)

Cisco Nexus 1000V Compatibility Information, Release 4.2(1)SV1(5.1)

Cisco Nexus 1010 Management Software Release Notes, Release 4.2(1)SP1(4)

Install and Upgrade

Cisco Nexus 1000V Installation and Upgrade Guide, Release 4.2(1)SV1(5.1)

Cisco Nexus 1010 Virtual Services Appliance Hardware Installation Guide

Cisco Nexus 1010 Software Installation and Upgrade Guide, Release 4.2(1)SP1(4)

Configuration Guides

Cisco Nexus 1000V High Availability and Redundancy Configuration Guide, Release 4.2(1)SV1(5.1)

Cisco Nexus 1000V Interface Configuration Guide, Release 4.2(1)SV1(5.1)

Cisco Nexus 1000V Layer 2 Switching Configuration Guide, Release 4.2(1)SV1(5.1)

Cisco Nexus 1000V License Configuration Guide, Release 4.2(1)SV1(5.1)

Cisco Nexus 1000V Network Segmentation Manager Configuration Guide, Release 4.2(1)SV1(5.1)

Cisco Nexus 1000V Port Profile Configuration Guide, Release 4.2(1)SV1(5.1)

Cisco Nexus 1000V Quality of Service Configuration Guide, Release 4.2(1)SV1(5.1)

Cisco Nexus 1000V Security Configuration Guide, Release 4.2(1)SV1(5.1)

Cisco Nexus 1000V System Management Configuration Guide, Release 4.2(1)SV1(5.1)

Cisco Nexus 1000V VXLAN Configuration Guide, Release 4.2(1)SV1(5.1)

Cisco Nexus 1010 Software Configuration Guide, Release 4.2(1)SP1(4)

Programming Guide

Cisco Nexus 1000V XML API User Guide, Release 4.2(1)SV1(5.1)

Reference Guides

Cisco Nexus 1000V Command Reference, Release 4.2(1)SV1(5.1)

Cisco Nexus 1000V MIB Quick Reference

Cisco Nexus 1010 Command Reference, Release 4.2(1)SP1(4)

Troubleshooting and Alerts

Cisco Nexus 1000V Troubleshooting Guide, Release 4.2(1)SV1(5.1)

Cisco Nexus 1010 Troubleshooting Guide, Release 4.2(1)SP1(4)

Cisco Nexus 1000V Password Recovery Guide

Cisco NX-OS Password Recovery Guide

Cisco NX-OS System Messages Reference

Virtual Security Gateway Documentation

Cisco Virtual Security Gateway for Nexus 1000V Series Switch

Virtual Network Management Center

Cisco Virtual Network Management Center

Network Analysis Module Documentation

Cisco Prime Network Analysis Module Software Documentation Guide, 5.1

Cisco Prime Network Analysis Module (NAM) for Nexus 1010 Installation and Configuration Guide, 5.1

Cisco Prime Network Analysis Module Command Reference Guide 5.1

Cisco Prime Network Analysis Module Software 5.1 Release Notes

Cisco Prime Network Analysis Module Software 5.1 User 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

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.