[mythtv-users] upnp different subnet

[Bill Williamson]

On Sun, May 4, 2008 at 12:30 PM, Daniel Agar <daniel at agar.ca> wrote:

> I'm trying to get a ps3 to connect to my mythbackend via upnp over
> wireless on a different subnet. I only allow communication between the 2
> subnets for specific hosts and ports. This works properly when I have the
> ps3 and mythbackend on the same subnet with no firewall. So far I've tried
> 1900/udp but myth still isn't showing on the ps3. Are there other ports
> needed for this? Is the ps3 simply not picking up the broadcast on the
> different subnet? Any thoughts/suggestions would be greatly appreciated.
>

UPnP is UDP multicast with a 1 TTL.  That means 1 subnet only.  This is by
design for UPnP.

IF you're using linux for your firewall between the two you could try some
sort of dodgy packet rewriting triggers to trick it, but it would not be fun
to support.
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