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ADSL router - securely partition WIFI from wired

Posted on 2011-02-12
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Last Modified: 2012-05-11
I have a small office with a standard ISP supplied ADSL router (Thomson TG585).

The office computers run Windows XP and Windows 7 Home Premium and are connected to the router by wire.

We want to provide a WIFI internet service to office visitors.

Is anyone aware of an ADSL router that allows you to securely partition the WIFI traffic from the wired traffic? Or does my Thomson TG585 do this already?

We want both the wired office computers and the WIFI visitors to be able to access the internet. However we don't want the office visitors to be able to access any of the office resources. We would like to enforce this in the router if possible.
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Question by:sakadava
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by:lomaree
ID: 34879473
Hi

Thomson TG585 has two version 8.2 and 7.4 , I am not sure which one is yours?

The thing is in these ADSL routers one can only define one IP DHCP POOL , hence even if you want to try i.e. what you intend to achieve would not completely possible unless you are able to separate your LAN into two subnets.

Then it would be fairly easy to give one subnet Internet access only and other Internet and LOCAL resources access.
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by:Jakob Digranes
ID: 34879749
The ONLY way to securely separate two networks, either wired or wireless is by using VLANs on the router, and VLANs on the switch, or by using separate switches or by connecting wireless Router/AP directly to a port in the router, and a wired switch in the other  ...

http://en.wikipedia.org/wiki/Virtual_LAN
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sakadava earned 0 total points
ID: 34880600
After further investigation it seems that a "guest" access feature is provided on several domestic routers. This would appear, at least superficially, to meet my need. My existing Thomson TG585 does not look like it supports this feature but there are a bunch of routers that do support the guest feature.

For example from the Belkin FSD8235 user guide (http://cache-www.belkin.com/support/dl/man_f5d8235-4_pm00736_0708.pdf):

> Guest Access: This option allows guest users access to the Internet
> while keeping them away from your private network. By default, this
> option is enabled. Guest users should connect to the Belkin N+ Guest
> network.

Whilst this particular model is a wireless router, there also exist wireless ADSL modem routers which provide this capability.

Maybe anyone out there has a view on the security of these guest access mechanisms but this seems the way to go in the absence of any serious impediment.
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by:Qlemo
ID: 35308536
This question has been classified as abandoned and is being closed as part of the Cleanup Program. See my comment at the end of the question for more details.
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