Cisco Systems IOS version number (train)
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IOS version number (train) bobneworleans@yahoo.com 06-29-09
Posted by bobneworleans@yahoo.com on June 29, 2009, 3:01 pm
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A 3550 at work is running IOS 12.2(25)SEE2. What does the SEE2 refer
to?

Software Advisor has options for 12.2SEE, 12.2SEA, and 12.2SE trains
but I can't figure out how to determine the differences. Can someone
enlighten me?

Posted by bod43 on June 29, 2009, 3:37 pm
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wrote:
> A 3550 at work is running IOS 12.2(25)SEE2. =A0What does the SEE2 refer
> to?
>
> Software Advisor has options for 12.2SEE, 12.2SEA, and 12.2SE trains
> but I can't figure out how to determine the differences. =A0Can someone
> enlighten me?

If I recall correctly;

SE is a random (ish) string indication the train. Other randon
strings may exist indicating differing features.

The last A, B, C, ... indicates later versions of "SE". Often
features and bugs.

The last digit if present indicates the post release rebuild
number. This is sort of an emergency patch thingy. No attempt
at feature changes, was never intended to be needed.

On these switches only one train seems to be in active
development at a time.

Above is all in addition to the usual
xx.yy(zz)
Major version, minor-er version(minor-est version)


You can check the diffrences on the feature Navigator.
www.cisco.com/go/fn - well if the switch software is
included in it you will be able to. Not sure. Otherwise
release notes.

Unless you are doing something particularly esoteric
the probability is that any recent release will work fine.

Posted by bod43 on June 29, 2009, 3:45 pm
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> wrote:
>
> > A 3550 at work is running IOS 12.2(25)SEE2. =A0What does the SEE2 refer
> > to?
>
> > Software Advisor has options for 12.2SEE, 12.2SEA, and 12.2SE trains
> > but I can't figure out how to determine the differences. =A0Can someone
> > enlighten me?

There is nothing on CCO other than SE so I would use
12.2.44-SE6(ED)
after perhaps checking for likely bugs, unless
I was doing an enterprise level deployment in which case
more checking and testing would be in order.


Posted by bod43 on June 29, 2009, 3:48 pm
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>
> > wrote:
>
> > > A 3550 at work is running IOS 12.2(25)SEE2. =A0What does the SEE2 ref=
er
> > > to?
>
> > > Software Advisor has options for 12.2SEE, 12.2SEA, and 12.2SE trains
> > > but I can't figure out how to determine the differences. =A0Can someo=
ne
> > > enlighten me?

Thought I had put this in my forst post - sorry.

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

Posted by Doug McIntyre on June 29, 2009, 3:59 pm
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>A 3550 at work is running IOS 12.2(25)SEE2. What does the SEE2 refer
>to?

The 3rd subrev of the 12.2(25) release on the SEE train. (ie. SEE, SEE1, SEE2)
Itself, a derivation of the SE train (ie. SEA, SEB, SEC, SED, SEE).

Later branched back into the regular SE train.

>Software Advisor has options for 12.2SEE, 12.2SEA, and 12.2SE trains
>but I can't figure out how to determine the differences. Can someone
>enlighten me?

You have to read the release notes.

http://www.cisco.com/en/US/products/hw/switches/ps646/prod_release_notes_list.html

Cisco will keep going on a branch until its official retirement, even
if they branched out for something special.




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