[mythtv-users] Migrated backend and now the UPnP isn't showing up

[Raymond Wagner]

On 4/29/2012 00:52, Edward Bond wrote:
> Mythtv .24 running in a jail built from source.

There's your problem.  The standard FreeBSD jail only sends traffic to 
the specific IP address defined to applications running inside the 
jail.  That means no broadcast traffic (HDHRs will not autodetect) and 
no multicast (no UPnP).  If you want UPnP to operate from inside a jail, 
you're going to need to compile a new kernel with VIMAGE support, and 
configure your jails using vnets.  VIMAGE is a virtual networking stack 
that produces a pair of ethernet devices with traffic tunneled between 
them.  You bridge one end with the host's uplink adapter, and push the 
other end into the jail.  The jail can then configure its own IP 
addresses as a normal (non-jail) system would.