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Internal Network Access on Different Subnets

Posted on 2014-03-11
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Last Modified: 2014-04-27
I can configure this but I would like to educate myself on the best practice and also why. I understand subnets but I am not great at it.

I have new firewall which will replace a poor wireless router that is being used as the gateway for internet but can not handle load.

Right now wireless laptop's, iPad's and couple of printers that are wireless.  Since everything is on the wireless including 2 servers and 5 PC's and a LAN based printer they all share the same IP range of an 192.168.6.XXX range.

Now with the firewall it will become the gateway replacing out the wireless.  

The wireless will become just the wireless extension of the network.

QUESTION is how to I insure prefect cross talk.  Since the router will take a WAN IP of 192.168.6.XXX and then it will have a new range for its LAN that it will be giving out the all the wireless devices.

Want to insure that the wireless printers that I can print from the LAN to them and the wireless devices can printer to the LAN and

the servers have mapped drives so I need to insure that the wireless laptops can map all the drives to the servers on a different IP range.

Any help and education is greatly appreciated.

Thanks, Clint
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Question by:Clint Jones
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by:Miftaul
ID: 39920904
which firewall are you using.
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Author Comment

by:Clint Jones
ID: 39920934
Netgear Prosafe

Not sure how that is relaventent to the question? Of the proper subnets to use.

Subnetting is where I need help.  The firewall I can do.
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Miftaul earned 500 total points
ID: 39920990
I asked this because on some firewalls, the Wireless Zone is configured such a way that devices in wireless zone can not communicate with each other. We need to manually allow them to talk to each other.

In sonicwall, we created two zones. Lan in 192.168.20.0/24 and WLAN 172.16.20.0/24. Created an access rule to allow communication between LAN and WLAN Zone.
Both the subnets are in a address group called Firewalled Subnets and NAT is done for for firewall subnets to allow access to the internet from both the subnets. We also allowed WLAN devices to talk to each other,

There could be similar settings in NetGear Prosafe.
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Author Comment

by:Clint Jones
ID: 39921363
Got ya. I am sure for my idiotic questioning lol. Netgear Prosafe FVS318G is model I have.  

I will check and see.  Its does not have WLAN.  It has DMZ etc.

Also got this to get a firewall up fast. I need something that could handle the traffic but researching the real firewall I need.

I am looking for a firewall say 400.00 and below.

That handles 5 to 10 external static IP's and not just one like this and is Microsoft Share Point Team Server, Exchange etc friendly
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