I divided a flat network into two VLANs.  That really doesn't come into play here and I do understand routing just fine.   But...  even though printers and TVs are on the same subnet as our corporate PCs, discovery and Casting doesn't work as expected.   PCs are on a Radius Certificate based SSID TVs and Printers are on another SSID, but the same vlan as the PCs   I can't understand why this doesn't work.  Printing can be done obviously with a driver referencing an IP address, but printer discovery doesn't work and previously discovered printers don't work.  PCs had some limited success casting to the TV, but MAC devices could not airplay to the TV.   Did anyone solve this or do I need to come up with another strategy? ... View more