Re: IOS family naming

[Philip Davis <pdavis () i2k com>]

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 () 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 () gmail com]


-- 

Philip Davis
Systems Administrator
I-2000 Inc.
(616) 532-8425
888-234-4254