KNX Binding Configuration in Docker on Synology NAS

Hello fellow OpenHAB enthusiasts! I’m currently diving into setting up OpenHAB in a Docker container on my Synology DS916+. It’s been quite the adventure, especially with the KNX binding. I’ve been using the official OH 2.3 snapshot amd64 Debian image, but I’m hitting a snag with connecting to my KNX bus. My Weinzierl 730 IP gateway is up and running, and I’ve stopped all other instances accessing the bus, but the connection just isn’t happening. I’ve tried different configurations, including setting the local IP to both the host IP and the Docker internal IP, but no luck. The error logs show a BindException, which is a bit cryptic. Has anyone successfully configured KNX in a Docker setup on Synology? Any tips or working configurations would be greatly appreciated! Here’s my current knx.cfg setup for reference:

text
ip=192.168.100.80
ignorelocalevents=true
type=TUNNEL

And a snippet from the logs:

text
2018-02-10 16:27:40.161 [INFO ] [nx.internal.connection.KNXConnection] - KNX link will be retried in 30 seconds
2018-02-10 16:28:10.157 [INFO ] [nx.internal.connection.KNXConnection] - Trying to (re-)connect to KNX…
2018-02-10 16:28:10.158 [ERROR] [nx.internal.connection.KNXConnection] - Error connecting to KNX bus: on connect to /192.168.100.80:3671
2018-02-10 16:28:10.160 [INFO ] [nx.internal.connection.KNXConnection] - KNX link will be retried in 30 seconds

Any insights or suggestions would be a lifesaver! Thanks in advance for your help!