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what hardware do I need to do this?

I have office A in Building 1. I have office B in Building 2, which is about 100 yards away and not in a "clear line of sight". I cannot run Ethernet cables between the 2 buildings. My server is in office A. Its IP address is I have a PC in office B that I want to set as on the same network.

Office A has a link to a cable modem line in Building 1. Office B has a link to a different cable modem line in Building 2.

I want the PC in office B to be linked to the server in office A, as if they were on the same LAN.

What's the easiest way to achieve this, with not too high of a cost?

Would this be the way to go:

Hook up a VPN router to the switch that office A is connected to. Then, hook up a second VPN router to the switch that office B is connected to. Then, configure them so that the PC in building 2 will be treated as if it's on the LAN of the server in building 1?

Tsar of all the Rushers

Greenwood, MS
(IPSEC VPNs use different subnets, so your server might be at, but the PC in another building will be on

I use Cisco RV042 routers myself, they do a nice job when given an internet IP on the WAN side, not a private IP address.
»www.cisco.com/en/US/products/ps9 ··· dex.html

Cheaper is to set up a PC in the same building as your server and VNC or Remote Desktop into it.
I tried to remain child-like, all I achieved was childish.

reply to JohnD
First question is whether office A and office B are using the same ISP or not -- you mention "cable modem," but
that doesn't tell us much.

Second jimbopalmer See Profile's suggestion of VNC or RDP, especially if security is not an issue -- I've said before
that VPN is about secure communications over an insecure medium like the internet; nothing else.