This page last changed on Mar 14, 2014 by hadiesper.

Hi Everyone, I hope someone can help me with this issue.

I am sending a KNX Connect Request to an IP Interface like this:
06:10:02:05:00:1a:08:01:c0:a8:02:c6:c3:50:08:01:c0:a8:02:0a:0e:57:04:04:02:00

And I get a correct response with no errors:
06:10:02:06:00:14:1a:00:08:01:c0:a8:02:0a:0e:57:04:04:ff:ff

Then when I try to send a Tunneling Request (to control an actuator):
06:10:04:20:00:15:04:1a:00:00:11:00:b4:e0:00:00:00:01:01:00:80

I get a DISCONNECT RESPONSE after about 6-10 seconds:
06:10:02:09:00:10:1a:00:08:01:c0:a8:02:0a:0e:57

The thing is, the KNX telegram is actually transmitted on the bus (after a 3-4 second delay) and the actuator I am trying to control actually works. But I get a DISCONNECT Response along with the 3-4 sec delay!

I read somewhere on the forums that I should use a different port for the tunneling request and for the connect request. I have tried that as well and it yields the same result.

Thanks in advance.

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