Cisco Nexus 5596 does not start after NX-OS upgraded from 5.1.3.N1.1 to 6.0.2.N2.5 [CSCun66310]

Hello friends,

I want just to save your valuable time & effort, while Nexus 5596 upgrades so I wanted to share some useful information that you can have a quick glance before your Cisco Nexus 5596 device updates.

Recently, I ran into trouble when upgarding 5596 Nexus data center switch does not boot and after investigation of the Cisco TAC it comes out to be Bug described below.

https://Tools.Cisco.com/bugsearch/bug/CSCun66310/?reffering_site=dumpcr

My way of upgrading the device was: 5.1 (3) (1) to 6.0 (2) N2 N1 (5).

As this upgarde involves an upgrade of Bios and power purposes, I had some doubts to get this properly upgraded, but he had more twist involved in this upgrade I got to know after contacting Cisco TAC for my death 5596 Nexus device and got info if you have version impacted in your Nexus 5596 device and you plan to upgrade , then you migh RUN in this serious BUG aftre which device will not come at all and only Option left is to replace with device of RMA.

Material affected PID versions Versions updated

UCS-FI-6296UP                                            1.0                                       1.1

N5K-C5596UP                                              1.0                                        1.1

N5K-C5596T                                                 1.1                                         1.2

You can check with hardware version command from your device below.

5596 # display sprom sup | H/W Inc.

H/W Version: 1.1

So please be careful when you plan your Nexus 5596 update and check over things that this Bug is not present anywhere in the docuemntations upgrade unfortunately.

Hope this will help and save valuable time of a person.

This bug affected me. Before upgrade you the equipment, to track:

It's procedure, there will be no allocation to apply.
Is attached to the case of the dplugin for each NXOS, check out the name associated with each version.
 
 
Step 1
 
-------------------------------
Copy the file dplugin and update, load Plugin
Copy the ucd - update.tar to the bootflash
Copy the debug plugin into the bootflash
Load the image via the load control
 
 
Note You can access the command line without leaving the plugin to debug via command vsh
 
Example:
 
n5K-1 # dir bootflash:. grep debug
3023275 23 Jan 15:28:48 2013 ucd - update.tar
283423 23 Jan 15:12:28 2013 nuova-or-dplug - mzg.5.2.1.N1.5.bin
n5K-1 # load bootflash:nuova - or - dplug - mzg.5.2.1.N1.5.bin
Loading of plugin version 5.2(3a)
###############################################################
WARNING: debug plugin is for engineering for internal use only!
For reasons of security, plugin image has been removed.
###############################################################
Debugging properly load-plugin!
Linux (Debug) #.
 
 
 
Step 2
 
-------------------------------
After you load the dplugin file into NX - OS, please follow the steps to update the module of TI.
 
 
Copy the ucd - update.tar of bootflash to the tmp directory and unzip the file
 
Linux (Debug) # cp /bootflash/ucd-update.tar/tmp
 
Linux (Debug) # cd /tmp/
 
Linux (Debug) # tar - xvf ucd - update.tar
 
UCD.bin
 
Address_91_A.csv
 
Address_92_A.csv
 
Linux (Debug) #.
 
Step 2
 
----------------------------------
 
Run the ucd.bin file:
 
Linux (Debug) #./ucd.bin
 
 
 
You will see the prompt on the version 1.1 update.
 
--------------------------------------------------
 
principal: correctly upgraded TI inst 2 to version 5.
 
New SPROM HW version 1.1. Charging must reflect in 'show the sprom' output.
 
Release Linux (Debug) #.

The problem is how to get the plugin. Only Cisco can provide this.

Tags: Cisco Tools

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