Homematic CCU3 missing PONG

Setup, Configuration and Use Beginners
#1
  • Platform information:
    • Hardware: ESXi
    • OS: Win 10 x64
    • openHAB version: 2.5.2

I have installed the Homematic binding. I use

Bridge homematic:bridge:ccu [ gatewayAddress="192.168.1.105", callbackHost="192.168.1.120",xmlCallbackPort="9125", binCallbackPort="9126" ]

in the thing file. I also tried install from PaperUI but no matter what i do Openhab loses connection after the first ping. In the CCU3 i have no authorisation set and all ports are open.
The firewall on my Win10 openhab server is down so alle ports are open too.
I have restartet both but it keeps not connected.
What elso can i try?

#2

I think that the communication between the Win10 machine and the CCU is blocked somewhere in your network (I had a similar problem yesterday in my environment).

First of all you should make sure that you firewall settings on the CCU look like these:

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The Homematic binding will start listeners on ports 9125 and 9126. These ports must be reachable from the CCU. As far as I understand your platform you are running openHAB on Windows 10 in a VM. In this case this may also be a problem with the VMware configuration.