IOS naming conventions RANT

Unanswered Question
Feb 8th, 2007

Can someone tell me what Y or G or YT means in an ios name? for example

c1841-broadband-mz.12.3-14.YT1.bin

c1841-broadband-mz.12.3-8.YG4.bin

Is there a COMPREHENSIVE document on the

Cisco site that will tell me what the naming conventions are for ALL releases?

SORRY FOR GOING OFF ON A RANT, BUT I DEFY YOU TO SHOW ME ONE! CISCO, IF YOU ARE LISTENING SHOW ME THE MONEY!

I REALLY HAVE GOT BETTER THINGS TO DO THAN TRAWL THROUGH YOUR, AT TIMES INCOMPREHENSIBLE WEBSITE LOOKING FOR INFORMATION THAT SHOULD BE WIDELY & FREELY AVAILABLE TO ME AT A GLANCE!

NOW WHERE IS IT!

I have this problem too.
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lowfell Thu, 02/08/2007 - 04:37

Many thanks Spremkumar, but I already have this document & it still does not Explain what YT or YG mean?

SURELY THERE IS A DOCUMENT SOMEWHERE THAT DEMYSTIFIES YOU'RE NAMING CONVENTIONS FOR ALL NAMES? IS THIS TOO MUCH TO ASK?

clausonna Thu, 02/08/2007 - 05:09

I believe that a 'Y' (or X or Z for that matter) designation on an IOS release indicates that it was purposefully branched off the main release train in order to support a specific feature and/or bugfix. That branch can go through several iterations before the test code is integrated back into the next release of the main train. It basically gives the IOS developers a way quickly release something w/o impacting the entire train.

For example, I know there's a 12.4.11T-XJ release that has a wireless feature I've been waiting ages for. That feature is ONLY in that XJ release, but should be officially released in 12.4.12T (or whatever the next major release is.) I'll put that release on non-critical and/or test-lab routers, and mess around with it until it gets 'officially' released.

If you don't have a TAC engineer telling you to use a such a release (e.g. because it solves whatever problem you're having) then stick with a either the ED (Early Deployment) or GD (General Deployment) release.

Danilo Dy Thu, 02/08/2007 - 05:25

They don't mean anything....

The file name don't look good with numbers from 0 to 9 so letters were added because we have 26 of them in the alphabet and they ca be added big or small :)

A little joke there :)

Check this links

http://www.cisco.com/warp/public/620/1.html

for YT

http://www.cisco.com/en/US/products/sw/iosswrel/ps5413/products_tech_note09186a00804ef18a.shtml

for YG

http://www.cisco.com/en/US/products/ps5853/prod_bulletin0900aecd801ec63f.html

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