Video Screencast Help

Host access behind cable modem and wireless router

Created: 08 Nov 2012 | 3 comments

Hello all,

If someone could direct me to a previous thread on this item I will look there. Two scenarious;

1st - Cable modem into a Netgear wireless router and into the host. The wireless router is passing out dynamic IP's to the clients, but I need to get through the cable modem/internet to reach that dynamic IP. When I am on the wireless network I can get through using the Dyn IP no problem, but once on the internet I cannot get through. Is there a simple answer to this problem? 

2nd - Same situation but using the internet to access through SureWest Wireless Router. The router is giving IP's out but I need to access through the router on the internet in order to get to these Dyn IP's.

Thanks

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ICHCB's picture

and you do have port forwarding set up to the routers to direct it to the correct internal IP.   Make sure you set static internal IP's or run the risk of having to set up the portforwarding again when the internal IP changed and the portforward rules are then broken.

 

portforward.com for some great guides on setting up portforwarding on the routers at the host side.

 

Cheers.

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Gary Karasik's picture

I would add to ICHCB's excellent advice that if you do have a dynamic IP, you can register with DynDNS or a similar service, and that will solve the changing-IP problem by equating your system with a URL that never changes even when your dynamic IP does. A small utility (sometimes built right into your router) will communicate with DynDNS when the IP does change, so you can always connect via the URL.

ICHCB's picture

just make sure that internally you still set a static IP so that the router rules don't break when the internal IP changes.   I like dyndns it has fit for many projects and like Gary notes some routers support it so you don't even have to run the software on your system. 

Cheers.

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