Communication over 2 different IP ranges

August 31, 2010 at 09:50:20
Specs: Windows 7
I have two seperate IP ranges that I need to communicate with each other. and I know I probably need a router to accomplish this, but how do I do that? What settings do I need to change in the router (Linksys WRT120N)?

To give you an idea of why I need this, I do security cameras. I have a wireless network set-up citywide for cameras that are wirelessly shot to our local police department for viewing. Now I have a gate community that has there own cameras set-up, but they want the feeds wirelessly shot back to the police department as well. Police department is the LAN, neighborhood is LAN. There isn't any available IP addresses left in the range, or this would be an easy fix.

Some one help.

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August 31, 2010 at 10:12:01
The wireless feeds are not sent to the police. The police access the wireless feeds. Seems a minor point but its a huge point in how to have the police access the x.x.1.x cameras.

I am going to assume your x.x.1.x setup is cameras going to a networked DVR. You access the dvr remotely using its software. I am also going to assume your x.x.1.x lan is connected to the internet via a router.

In this router you configure port forwarding to the dvr's ip address. Lets say your dvr is at Your dvr software requires a port. Lets say that port is 7000. You forward port 7000 to that dvrs ip address.

The police, using the dvr software, connect to the dvr's display by entering the routers wan port and the designated port number [7000] to access the dvrs camera display. Form would be for example.

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August 31, 2010 at 10:23:06
Police access cams with air cards via internet to PD...this neighborhood is shot wirelessly back to PD through wireless APs and Bridges...about 10 internet access at the neighborhood location...

So again, how can I make these two ranges talk?

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August 31, 2010 at 11:15:09
OK lets take a step back. How do you propose the neighborhood access is PHYSICALLY being connected to the police?

If the police are accessing via the internet wouldn't it be logical that you would have to provide the same access to the neighborhood cameras?

Seems to me you need to bring a internet feed into the neighborhood system.

Internet access requires a router. Once that is done the police can access the cameras the same way they do now.

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August 31, 2010 at 11:59:30
So again, how can I make these two ranges talk?

To allow two separate subnets to communicate with each other requires a router that is connected to both subnets and has routes between the two subnets configured in it.

It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.

***William Henley***

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