Hi /r/networking,
I'm researching if there is a way to make AirPlay discoverable across a geographically distributed organization. As in, I have a handful of network sites that each have an AppleTV device and their iDevices want to have all AppleTVs of all sites available to all iDevices at all sites. Now, the connectivity between the TV and the endpoint device is not the issue - that's working fine if I'm using a non-Apple client like AirParrot (which allows specifying an AirPlay host, making Bonjour kinda obsolete).
Now I've already found out that I can replicate the mDNS messages across different VLANs using Avahi. That's nice, but only works for sites where you can plug a machine into a specific VLAN. I can't plug my Avahi reflector into a VLAN of a remote site though as my site-to-site connections are all Layer 3 IPSec tunnels.
Leads me to the question: Is there a way to set up my Avahi reflectors in a hub/spoke scenario to collect all that mDNS traffic and replicate it to some kind of Avahi head node (which would sit close to my central DNS)? Is there a different route (pun intended) I could take here?
Org doesn't have Cisco WLCs so their proprietary solution is not applicable.
Bonus question: What type of shit do you have to smoke to think that in the 21st century, making traffic never-routable sounds like a reasonable idea?
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