Firewall or router for 2 separate workgroups?

Firewall or router for 2 separate workgroups?

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Firewall or router for 2 separate workgroups? John . 06-03-2005
Posted by John . on June 3, 2005, 10:53 am
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Can I get some advice on this: In a small office, there is a DSL line
with a Linksys router/4 port switch.

Currently one office group (3 pc's) use this DSL for their PC's.

What hardware or appliance would I use to add a SEPARATE group of 4
pc's to share the DSL connection, but keep the new office workgroup
isolated from the original 3 pc's for security?

If I just added an uplink switch to the Linksys router, then ALL pc's
can see each other--this is NOT what I want. I want two separate
subgroups.

Thanks.



Posted by Leythos on June 3, 2005, 6:04 pm
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says...
> Can I get some advice on this: In a small office, there is a DSL line
> with a Linksys router/4 port switch.
>
> Currently one office group (3 pc's) use this DSL for their PC's.
>
> What hardware or appliance would I use to add a SEPARATE group of 4
> pc's to share the DSL connection, but keep the new office workgroup
> isolated from the original 3 pc's for security?
>
> If I just added an uplink switch to the Linksys router, then ALL pc's
> can see each other--this is NOT what I want. I want two separate
> subgroups.

If you want to do it cheap, you can use two linksys routers.

The routers would be setup in series like this:

INTERNET
||
Linksys 1 > LAN 1 (these can be seen by Linksys 2)
||
Linksys 2 > LAN 2 (these can't be seen my Linksys 1)

So, connect L2 to a LAN port on L1, and you can do all the you want and
all of the machines can still access the Internet.

YOU MUST USE DIFFERENT IP RANGES ON BOTH ROUTERS

L1 = 192.168.8.0/24
L2 = 192.168.16.0/24

It also helps if you card code the L2 WAN IP (public) to something like
192.168.8.2/24 and then enter the DNS properly.

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