Nexus 7K Ethanalyzer not available?

[Wes Schochet]

Hi All-

I am trying to do some troubleshooting - in the lab, in a non-prod environment.  I am looking to test Ethanalyzer, but it does not seem to be available on my switch.  Is there a feature that is necessary or some other prerequisite that I am missing? 

7702-1.lab-CORE# ethanalyzer local interface inband display-filter ip.addr==1.2.3.4 limit-captured-frames 20
                  ^
% Invalid command at '^' marker.

c7702-1.lab-CORE# sh ver
Cisco Nexus Operating System (NX-OS) Software
TAC support: http://www.cisco.com/tac
Documents: http://www.cisco.com/en/US/products/ps9372/tsd_products_support_series_home.html
Copyright (c) 2002-2015, Cisco Systems, Inc. All rights reserved.
The copyrights to certain works contained in this software are
owned by other third parties and used and distributed under
license. Certain components of this software are licensed under
the GNU General Public License (GPL) version 2.0 or the GNU
Lesser General Public License (LGPL) Version 2.1. A copy of each
such license is available at
http://www.opensource.org/licenses/gpl-2.0.php and
http://www.opensource.org/licenses/lgpl-2.1.php

Software
  BIOS:      version 3.1.0
  kickstart: version 7.2(0)D1(1)
  system:    version 7.2(0)D1(1)
  BIOS compile time:       02/27/2013
  kickstart image file is: bootflash:///n7700-s2-kickstart.7.2.0.D1.1.bin
  kickstart compile time:  5/19/2015 11:00:00 [06/14/2015 16:46:24]
  system image file is:    bootflash:///n7700-s2-dk9.7.2.0.D1.1.bin
  system compile time:     5/19/2015 11:00:00 [06/14/2015 18:40:21]


Hardware
  cisco Nexus7700 C7702 (2 Slot) Chassis ("Supervisor Module-2")
  Intel(R) Xeon(R) CPU         with 32744992 kB of memory.
  Processor Board ID xxx

  Device name: c7702-1.lab-CORE
  bootflash:    4014080 kB
  slot0:              0 kB (expansion flash)

Kernel uptime is 318 day(s), 3 hour(s), 32 minute(s), 1 second(s)

Last reset
  Reason: Unknown
  System version: 7.2(0)D1(1)
  Service:

plugin
  Core Plugin, Ethernet Plugin

[Christopher Hart · Accepted solution]

Hi Wes,

On early versions of N7K NX-OS software, Ethanalyzer can only be executed from the admin/default VDC. Are you attempting to run Ethanalyzer on the admin VDC, or on a "child" VDC?

Later N7K NX-OS software (I believe 8.x, but I don't recall the exact NX-OS software release) allows Ethanalyzer to be executed from a child VDC as well as the admin VDC.

Be forewarned that in earlier NX-OS software releases, because Ethanalyzer is executed on the admin VDC, the control plane traffic received on all child VDCs will be visible in Ethanalyzer. As such, you may need to use a combination of display-filters and capture-filters to troubleshoot the specific flow or type of traffic that you want.

I hope this helps - thank you!

-Christopher

[Wes Schochet]

Ahh - thanks for the explanation!