Wifi - how to separate public and private network

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Al Wei

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Aug 11, 2001
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I own a restaurant and want to set up free wifi for customers to access the internet. However, I am concerned that they can get into my internal restaurant network which includes the sensitive POS system. I currently have DSL and have 2-Wire wireless router that only the restaurant computers have (wired and wireless) access to.
How do I separate the free wifi for customers? Do I need a separate wireless router? Do I need hardware firewall? Do I need special software? Any recommendations on setup would be greatly appreciated.
 

TerryNet

Terry
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Mar 23, 2005
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One way is to daisy-chain two routers. Customers connect to the first one (the one connected to the modem). Restaurant computers connect to the second. May want to make sure that the first router has QoS (Quality of Service) feature so that you can limit how much of the internet bandwidth the customers can use.
 
Joined
Jan 13, 2008
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Hi,

The best way is to have a switch and create a separate VLAN's this will make as many divisions as you want.

The other way is have 2 routers and configure them seperatly one for your network and others for customers and if you want make an accesspoint among them.
 

JohnWill

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Oct 19, 2002
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106,425
I'm sorry... but what did you mean by "What he said"? I'm a bit slow tonight...
I was agreeing with Terry. :)

The two routers will be the inexpensive route, and will provide excellent protection for your company network. The only configuration issue is to make sure the base addresses of the two routers used are in different subnets. If you use identical routers, one will just have to be moved to a different subnet.
 
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