In your case you probably don’t even need it start with -nonat because all UPNP/NATPMP is used for is to discover your public IP.  Start with -nonat

/b

On Jun 21, 2014, at 8:06 AM, Bill Ross <rossbcan@gmail.com> wrote:

Q1: How do I coerece upnp to broadcast using eth0 (LAN), as opposed to eth1 (WAN)?
Q2: What is the algorithm upnp uses to determine multicast interface?



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