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Firmware numbering of Cisco Catalyst Blade Switch 3020 !

chuckk281
Trusted Contributor

Firmware numbering of Cisco Catalyst Blade Switch 3020 !

Dennis needed some explanation of the Cisco Blade Switch firmware scheme:

 

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I am reviewing the firmware of the Cisco Catalyst Blade Switch 3020 interconnect module and wonder if someone can explain to me the used syntax/numbering ?

 

FW history :  http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=3709945&prodSeriesId=2510334&swItem=MTX-fe97af5ef9a3422984a08acc4a&prodNameId=2510335&swEnvOID=4024&swLang=8&taskId=135&mode=5

 

This shows the 2 latest FW versions:

 

  • Version: 12.2(55)SE4  (25 Oct 2011)
  • Version: 12.2(58)SE1  (12 Jul 2011)

 

Version: 12.2(55)SE4  (25 Oct 2011) mentions “For customers who have standardized on version 12.2(55), please upgrade to 12.2(55)SE4 at your earliest convenience.”

 

As these syntax/numbering (in relation to the dates) confuses me, I have the following questions :

 

  1. Can someone explain to me the used syntax/numbering (12.2(55)SE4) used – i.e. 55 and SE4 ?
  2. So what is now the latest FW ?
  3. I thought the number in brackets () was the main version number and SEy a sub-sequent numbering.

However this does not match with above versions and also not with what I also found there in relation to the mentioned release(?) dates :

 

  • Version: 12.2(50)SE1  (30 Sep 2009)
  • Version: 12.2(50)SE3  (23 Sep 2009)
  • Version: 12.2(50)SE  (6 Apr 2009)

 

Many thanks in advance.

 

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Info from Jim:

 

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Does this help…

 

 webpic82.png

 

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Other help for Dennis?