[isalist] FW: Forcing a remote site to use a remote gateway for all IP traffic

  • From: Steven Comeau <scomeau@xxxxxxxxxxxxxxxxxx>
  • To: "isalist@xxxxxxxxxxxxx" <isalist@xxxxxxxxxxxxx>
  • Date: Tue, 19 Jan 2010 17:32:58 -0500

Tap tap tap... is this thing on?

Steve Comeau
Associate Director of IT  Rutgers Athletics
83 Rockafeller Road
Piscataway, NJ  08854
732-445-7802
732-445-4623 (fax)
www.scarletknights.com<http://www.scarletknights.com>


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From: isalist-bounce@xxxxxxxxxxxxx [mailto:isalist-bounce@xxxxxxxxxxxxx] On 
Behalf Of Steven Comeau
Sent: Thursday, January 14, 2010 5:07 PM
To: isalist@xxxxxxxxxxxxx
Subject: [isalist] Forcing a remote site to use a remote gateway for all IP 
traffic

I have a scenario where I have 2 sites, a "local" and "remote", interconnected 
via ISA site-to-site VPN, and each site has multiple non-external networks 
where traffic is controlled between the sites and Internet via the policies.

At the local site, one of the networks is wireless that has an Authentication 
Server that I use for Press and Media that does captive portal with 
authentication.  The DHCP server on the Authentication Server gives out IPs so 
that the client uses the Authentication Server as its default gateway, and 
access to the Internet is given once credentials are approved (via RADIUS).  I 
would like to be able to take the remote site's wireless network and route all 
traffic to the local site's Authentication Server and use that for 
authentication, but I'm not sure how to go about that.  Both the remote and 
local wireless network are "open" to each other via ISA, and right now, the 
remote site goes out the Internet via ISA for external access.  Now, I know 
I've got to stop the NAT of that remote network for Internet access, but how do 
I get the remote site to get all traffic to "gateway" through the local site's 
Authentication Server for Internet access?  The bottom line is that I don't 
want to pay for a 2nd Authentication Server at the remote site.

My wording is crude here, so hopefully you get my gist.  I'm guessing it's some 
sort of route add thingy, just not totally sure here.

Thanks in advance.

Steve Comeau
Associate Director of IT  Rutgers Athletics
83 Rockafeller Road
Piscataway, NJ  08854
732-445-7802
732-445-4623 (fax)
www.scarletknights.com<http://www.scarletknights.com>


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83 Rockafeller Road

Piscataway, NJ 08854

www.scarletknights.com ***



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