Site-to-Site VPN Help Needed

From: "Gregory Kreymer" <gkreymer@xxxxxxxxxx>
To: isalist@xxxxxxxxxxxxx
Date: Thu, 2 Aug 2001 12:27:53 -0600

Dear ISA Users:

Scenario: 
Company ABC has a main office and a branch office.  Main office has an ISA
box to be setup as a remote VPN server to the branch office.  The branch
office has an ISA box set up as a firewall to the internet.

Problem:
Is it possible to have the branch office's ISA box set up as a local VPN
server and connect to the main office's intranet, while at the same time
allow clients access internet (HTTP requests) through their local ISP?

Thus, can the ISA do the following:

all internal IP requests to the main office go through the VPN, while all
0.0.0.0 mask 0.0.0.0 traffic route through the firewall and out to the
local ISP's gateway, rather than the main office's internet connection.

Goal:

Allow all clients at the branch office to use local ISP for internet
access while being able to access main office's LAN through a site-to-site
VPN connection on the same ISA server.

I would appreciate any input as to how this can be achieved.

Thanks,
Greg Kreymer

Site-to-Site VPN Help Needed

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