This page last changed on Jul 23, 2009 by eibprojekt09.

hi, is here anybody who reach the connection between iPhone and KNX over www? if you did it, tell me please how to get into KNX. I tried it with dyndns, Fritzbox and IP-Gateway N148/21, but I didn`t reach my projekt obout Edge/3G. with WiFi in there own network it works!



I think in general coming from the outside internet into a home you would need to set this up in your router / firewall?

Posted by jlvh at Jul 24, 2009 01:15

As Jean-Luc said you need to map a port on your router to forward packets to the KNX gateway. If the KNX IP protocol contains the inside address of the gateway inside the KNX data then it won't work but I don't recall the gateway address being inside the KNX portion of the packet.

You'll still using the ddns service you just need the packets to be forwarded. The router doesn't know to what device to send the packets to.

Posted by linuxha at Jul 24, 2009 04:09

I opened the ports on the router, which are nececcary to replace informations. I bought the app iKNX and over WiFi I can get in to the KNX-Projekt, switch the light and move the blinds, but from outside over dyndns it dosn`t work.

Posted by eibprojekt09 at Jul 24, 2009 15:26

I'm not sure how much I can help as I don't have KNX but I'd like to know what application you are using to access the devices inside your home? Is it your browser? If it isn't I won't be able to tell you what ports KNX is using. Hopefully someone else can chime in with some info. Sorry.

Posted by linuxha at Jul 27, 2009 02:33

Not sure, but here's an hint : the TTL used for UDP packets (KNXNet/IP) is set to 16, maybe too short...

Posted by mgallissot at Jul 29, 2009 21:36
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