IOS family naming

Tue Jan 26 21:55:17 UTC 2010

Have you checked out the IOS Feature Navigator?

http://tools.cisco.com/ITDIT/CFN/jsp/index.jsp

On Tue, Jan 26, 2010 at 4:27 PM, Philip Davis <pdavis at i2k.com> wrote:
> Not sure how relevant this still is, but it explains some of the older ones.
>
> http://www.cisco.com/en/US/products/sw/iosswrel/ps1818/products_tech_note09186a0080101cda.shtml
>
> On 1/26/2010 4:21 PM, Arie Vayner wrote:
>> Andrey,
>>
>> I could not find a good link, but let me give you some info on SG, SGA, EW
>> and EWA.
>> All these trains are for the 4500 family (including 4900). They are just
>> different generations.
>>
>> The EW (and then EWA) were the older trains for 4500, which were replaced by
>> the SG trains.
>> If I am not too wrong EW/EWA was new around 2004.
>>
>> SGA was the 1st release for the SG train, but later releases are not called
>> SGB/SGC, but are just marked SG, so you get 12.2(31)SGA as the first release
>> (with 12.2(31)SGA1, 12.2(31)SGA2 etc being maintenance releases, with SGA11
>> scheduled to be released in a few weeks).
>>
>> The later SG releases are numbered as 12.2(37)SG, 12.2(40)SG, etc - and we
>> have 12.2(53)SG as the latest one. Each such release brings in new features,
>> and has its own maintenance releases (so it would be 12.2(53)SG1,
>> 12.2(53)SG2 etc, with 12.2(53)GS2 being scheduled for the Q2CY10)
>>
>> Hope this gives you a better view.
>>
>> Arie
>>
>> On Tue, Jan 26, 2010 at 10:35 PM, Andrey Gordon <andrey.gordon at gmail.com>wrote:
>>
>>> Hi List,
>>> Anyone recalls ever seeing the IOS naming convention document. In
>>> particular
>>> I'm interested in differences between families and trains.
>>>
>>> This is all I found:
>>> http://www.cisco.com/warp/public/620/1.html#topic1
>>>
>>> But im looking for something a bit more recent maybe? Can figure out
>>> differences between say SG, SGA, EW and EWA.
>>>
>>> A link to the cipher would certainly help.
>>>
>>> -----
>>> Andrey Gordon [andrey.gordon at gmail.com]
>>>
>
>
> --
>
> Philip Davis
> Systems Administrator
> I-2000 Inc.
> (616) 532-8425
> 888-234-4254
>
>

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