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Airplay across multiple LANs

Sorry if this has been answered before, but does anyone know how to make Apple's Airplay work across different networks?  I have wireless devices (including iPhones) on a 172.16.*.* wireless-only network, and I'd like them to be able to Airplay to a specific Airplay-enabled device on my LAN in the 192.168.*.* range.  

I've created the correct firewall rules to get them talking (other apps that use TCP or UDP seem to work fine), but I think Airplay uses some kind of broadcast discovery first, which isn't translating across the networks.  Am I looking for some kind of NAT rule here?


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Parents
  • Apple uses multicast DNS so devices can discover each other (it's Apple Bonjour). mDNS however doesn't traverse routers since it's link-local Layer 2 traffic.
    I believe Cisco has a solution called Cisco bonjour gateway which may be of help to you.

    Managing several Sophos UTMs and Sophos XGs both at work and at some home locations, dedicated to continuously improve IT-security and feeling well helping others with their IT-security challenges.

    Sometimes I post some useful tips on my blog, see blog.pijnappels.eu/category/sophos/ for Sophos related posts.

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  • Apple uses multicast DNS so devices can discover each other (it's Apple Bonjour). mDNS however doesn't traverse routers since it's link-local Layer 2 traffic.
    I believe Cisco has a solution called Cisco bonjour gateway which may be of help to you.

    Managing several Sophos UTMs and Sophos XGs both at work and at some home locations, dedicated to continuously improve IT-security and feeling well helping others with their IT-security challenges.

    Sometimes I post some useful tips on my blog, see blog.pijnappels.eu/category/sophos/ for Sophos related posts.

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