OpenHAB Alexa Skill doesn't show any items

[Max1968]

@Jensen: did you check this one:

Amazon Echo - Alexa don't find any devices

As many users, i had the problem, that my “echo” won’t find any devices. I tried many things to get the integration work. Now, it’s done. If anyone has this same problem, just check on which device you’re openhab server is connected. The “echo” is sending UPNP Packages into your network. For example, if you’re openhab device is connected to a switch, it’s possible that those packages were dropped by them. My openhab server we’re connected to a small d-link switch, which is connected to a frit…