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Re: Separating two LANs

From: Jerry Pasker
Date: Saturday, November 11, 2000
Time: 3:17:44 pm

>We are about to roll in a fast outside line to a small group, but they
>will need to access resources in the LAN of the larger group (we're
>breaking a small group into their own LAN and giving them a T1 of their
>own).
>
>Will this be an easy thing for the network people to set up (a bridge,
>router, etc?)
>
>Outside resources for the small group will go to the new T1 (and no one
>in the larger LAN group should be able to access the T1), but
>additionally the small group needs to access resources over AppleTalk,
>etc. in the larger LAN.
>
>Anyone with pointers? Will my IT/network people make funny faces?
>
>Thanks,
>
>David Dantowitz -- Dantowitz Consulting & Research, Inc.
>V 201-532-3053 F 973-564-8641 W http://www.dantowitz.com/
>
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Well, if you're running two different routers, you could do this rather simply:

Use the same physical ethernet for everything, and give the gateway IP
[router] of the "outside" T-1 to the "outside" people, and set the router
IP in the TCP/IP control pannel to the gateway IP of the "inside" router
for the "inside" people. Then, add a static route in each router, to the
other router, so IP based traffic doesn't have to transverse the net to go
from the "outside" network to the "inside" network.

It's a much simpler concept in reality, than it is to explain. :-<

-Jerry





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