i know what you mean about the safe guide, this doc might help you:http://www.cisco.com/en/US/docs/solutions/Enterprise/Mobility/secwlandg20/sw2dg.html

read the release notes, the 1120 is no longer supported, i believe as of 5.0.

You extend VLANs into a wireless LAN by adding IEEE 802.11Q tag awareness to the access point/bridge. VLAN 802.1Q trunking is supported between root and non-root access point/bridges through the access point/bridges' primary SSID.try this link: http:...

i believe the mesh ap's only count as a 1/2 ap and root counts as a whole. I just can't find a reference.