Hi Janko,
I always begin with Release Notes for the SZ version running, ie 3.6.2.0.222 is our SZ 3.6 MR2 Patch1.
https://support.ruckuswireless.com/documents/2625-smartzone-3-6-2-0-222-mr2-patch1-release-notes A section in this doc, which says R600 is supported, also has other advice, to run 104 Solo AP code,
and to disable LWAPP2SCG service. Here is that blurb with config info that might help:
On solo APs running releases 104.x and higher, the LWAPP2SCG service must be disabled. To disable the LWAPP2SCG service on an AP, log on to the CLI, and then go to enable mode > config > lwapp2scg > policy deny-all. Enter Yes to save your changes
Otherwise, I want to know about your network. Can your APs communicate with your vSZ controller?
There are ports necessary for AP - Controller communications, per the Admin Guide:
http://docs.ruckuswireless.com/smartzone/3.6.1/sz300-vszh-scg200-administrator-guide/GUID-078C00BE-7...