No Airplay on AppleTV when using iPhone or MBP when using ethernet
I have just moved.
I have my cable modem attached to my TP Link C8 Router. The router uses the ethernet cable to attach directly to my ATV. I am now able to access all of my ATV options just fine, but unable to use Airplay on the iPhone or MBP. It doesn't show up as an option on my iPhone and the MBP does not connect when I attempt to do so
HELP
I would like to keep the ATV plugged directly in to preserve bandwidth, but it now limits my Airplay options
iPhone 5, iOS 8, 32 GB