I think you can fin an answer in this document:http://www.cisco.com/en/US/tech/tk722/tk809/technologies_tech_note09186a008019f646.shtml

Thank you rob!I thought i had searched the whole cisco site without finding a clear answer ( the two resellers I have asked say different things, one no, one yes...).Is there anyway I can receive an upgrade without SASU? I mean, does someone know cis...

Thanks once again!By the way, does anyone know if I get access to updates (from 3.2 to the 4.0 branch) with only Smartnet or do I also need Cisco Software Application Support (SAS) or Cisco Software Application Support plus Upgrades (SASU)?

Thank you, that sounds very promising! He told me that it was only 4402-12 and 4402-25 that couldn't use 4.0. Since 4.0 has features I like I was a little dissapointed. But after your input, both rob and steprodr, I'm starting to think this might tur...

Hi Rob,Thank you for you answer! I unpacked my new controller yesterday and when I started to configure it I noticed that it was running 3.2. Since I've seen at Cisco.com that the new version is above 4.0 i contacted my reseller. After he had spoken ...