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unable to connect to the Realport application.

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->I am using Digi Connect Wan 3g.
->I am using dynamic DNS but it can resolve the address but cannot ping the router.
->Cannot ping the router either.
->Internet is working on both locations.
asked Dec 22, 2017 in Realport by Preriiiiiit New to the Community (0 points)

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1 Answer

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Not a complete answer, but SOME cellular carriers block any incoming traffic, so DynDNS (etc) won't work.

Even if you pay them for a fixed public routable IP, some cellular carriers block certain traffic, like no incoming/mobile-terminated HTTP/port 80 traffic - you'll need to move the port from 80 to something like 8080.

Check what is the IP being assigned, if 10.x.x.x or 172.x.x.x, then you don't have a routable IP. My own experience, if your cell network uses DHCP, you will NOT have a routable IP ever, you will never be able to ping or connect to the WAN 3G from outside.

Over cellular, stock Digi Realport drivers probably won't work, because the timeouts will be too low. You will need to dig down into the Realport settings and add larger (10+ second) timeouts to survive cellular lags.
answered Jan 17, 2018 by Coralyn Seasoned Professional (154 points)
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