Cisco Cisco Nexus 1000V Switch Troubleshooting Guide
Capture Traffic with the vempkt Command on
Nexus 1000V Series Switches
Nexus 1000V Series Switches
Document ID: 115763
Contributed by Joey Ristaino, Chris Brown, and Joe LeBlanc, Cisco
TAC Engineers.
Feb 27, 2013
TAC Engineers.
Feb 27, 2013
Contents
Introduction
Prerequisites
Requirements
Components Used
Conventions
vempkt Commands
Begin Capture
End Capture
File Export
Related Information
Prerequisites
Requirements
Components Used
Conventions
vempkt Commands
Begin Capture
End Capture
File Export
Related Information
Introduction
This document describes the use of the vempkt command in order to capture traffic on Nexus 1000V Series
Switches.
Switches.
It is difficult to troubleshoot issues on the Nexus 1000V Series Switches because there is no physical switch
to put your hands on. Much of the time, a packet capture is necessary in order to determine if the packets are
sent upstream.
to put your hands on. Much of the time, a packet capture is necessary in order to determine if the packets are
sent upstream.
Prerequisites
Requirements
Cisco recommends that you have knowledge of these topics:
Cisco Nexus 1000V Series Switches
•
Cisco NX−OS Software
•
Components Used
The information in this document is based on Nexus 1000V Series Switches.
The information in this document was created from the devices in a specific lab environment. All of the
devices used in this document started with a cleared (default) configuration. If your network is live, make sure
that you understand the potential impact of any command.
devices used in this document started with a cleared (default) configuration. If your network is live, make sure
that you understand the potential impact of any command.
Conventions
Refer to Cisco Technical Tips Conventions for more information on document conventions.