The vLANs might be a problem. I don’t use such a setup, so can’t say from own experience, but I’ve read from problems a few times, most of them ended in mDNS failures to jump the vLANs. Despite I thought that’s the idea behind separated vLANs, not to get out of their “cage”. 
See how combining the vLANs works out, and let us know what’s coming up. 
EDIT: Just found this thread: