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.gor...@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.gor...@gmail.com] >> -- Philip Davis Systems Administrator I-2000 Inc. (616) 532-8425 888-234-4254
