RFC 1918 Traffic leaving the WAN interface
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Yeah, this is the package which would maybe work. I have never tried to install it so I group all of these type of devices in one subnet.
I mostly have been working on ipv6 and I can say I am not sure that even with that package it would work across subnets at least for ios devices.
I have noticed that ios devices, instead of advertising their ipv6 global address, they advertise their link local address only via mDNS. So even if you had the pimd package installed, I don't think it would work, since link local addresses can't cross subnets.
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@chpalmer I haven't tried this myself, but supposedly this will allow Sonos devices to work.
https://github.com/sonicsnes/udp-broadcast-relay-redux
In the usage-notes, it explains how to use with pfsense.
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