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File sharing between two diffrent networks

October 15, 2010 at 22:21:43
Specs: Windows 7 / XP

I have two separate internet connections(ADSL) with Wi-Fi routers to connect to PCs, with 4 PCs on both the networks. How can I do File sharing between the two networks?

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#1
October 17, 2010 at 05:26:43

You have two choices.

1) Put both networks on the same subnet and connect the routers with a crossover cable

or

2) Put a router between the two networks and have them use different subnets.

Option 1 would be simpler. It's actually possible both of your networks are already using the same subnet. However, to avoid confusion, and to keep each separate network using it's own router as their gateway you'd have to make a couple changes.

Whether both networks are already using the same subnet or not, here's how I'd set it up. Remember, these are LAN settings.

Router 1:
IP: 192.168.0.1
Subnet Mask: 255.255.255.0

DHCP Enabled = Yes
DHCP Scope = 192.168.0.100 to 192.168.0.150
Default Gateway IP = 192.168.0.1

Router 2:
IP: 192.168.0.2
SM: 255.255.255.0

DHCP Enabled = Yes
DHCP Scope = 192.168.0.151 to 192.168.0.200
Default Gateway = 192.168.0.2

Once setup, connect both routers (from LAN port to LAN port) using a crossover cable. Chances are someones going to jump in and tell you you don't need a crossover cable. This is true, but if you do use the crossover (recommended by a professional network technician......me) it's one less thing to have to remember, and to troubleshoot in the future.

The other alternative (option 2) involves buying another router and configuring routes between the two networks on it. Personally, I would go with option 1, it's a whole lot simpler.

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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