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Vigo 2750n NAT port forwarding does not seem to work

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16 May 2013 13:10 #76221 by suprawez
In that case set the local port in your nat to 80 and leave the outside port start and end at 8000, also switch it to TCP only.

ie CCTV TCP+UDP 8000 8000 192.168.1.74 80

Draytek 2750n on Zen Broadband

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16 May 2013 14:39 #76224 by elbowe
JACKPOT! well done .. interesting it needed local port at 80. I imagine it receives the request on 80, but as you have put 8000 on the end of the it knows that this is not for 80 and then forwards it on to the port you state.

maybe you can explain it English such that I can understand it? :-)

thanks for all your help though - magician you are ..

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16 May 2013 14:54 #76225 by suprawez
Its actually called PAT, port address translation, the DVR device is listening on port 80, standard HTTP access, to access it from port 8000 externally the router is simply translating inbound traffic received on port 8000 to the local address on port 80.

I hope that helps ;)

Draytek 2750n on Zen Broadband

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16 May 2013 15:01 #76227 by elbowe
yep that explains it .. many thanks for all your help,

Les

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