We've implemented this solution, 1 leased line and 1 adsl link.
We created another segment on the firewall, put a proxy on it and point all 
the clients to the proxy while using the leased line as the default gateway 
out.

We do have a static ip for the ADSL though and the adsl router does nat.

Not sure how it would work for dynamic ip adsl.

Goodluck.

From: Administrator <[EMAIL PROTECTED]>
To: "'Stevens, George'" <[EMAIL PROTECTED]>,        
"'[EMAIL PROTECTED]'"  
<[EMAIL PROTECTED]>
Subject: RE: [FW1] Firewall for Leased and ADSL links
Date: Mon, 24 Jul 2000 09:39:29 +0530

Does the same configuration is supported by the NT platform, the quad
ethernet interface.
The ADSL box can do a NAT I was assured by the service provider.

Any one using tried this setup?

regards
suresh

 > ----------
 > From:        Stevens, George
 > Sent:        Friday, July 21, 2000 10:09 PM
 > To:  'Suresh'
 > Subject:     RE: [FW1] Firewall for Leased and ADSL links
 >
 > I'm running FW-1 on a Solaris box.  I have a quad interface that I could
 > set
 > up to handle several
 > feeds.  The things that would bother me in the dynamic IP addresses.  If
 > you
 > can move away from
 > that you should have no problem setting up that scenario.
 > Good luck.
 > Geo
 >
 > -----Original Message-----
 > From: Suresh [mailto:[EMAIL PROTECTED]]
 > Sent: Friday, July 21, 2000 6:50 AM
 > To: '[EMAIL PROTECTED]'
 > Subject: [FW1] Firewall for Leased and ADSL links
 >
 >
 >
 > Hi guys,
 > Im a newbie to this list. Im looking for someone from this list to help 
me
 > out in finding a solution to my problem.
 >
 > I have two links to the Internet.  One is a leased 128Kbps link that uses
 > the Cisco 2600 routers. Another one is an 1.6 Mbps ADSL link on a copper
 > wire terminated onto a Megabit Gear TE/4 ADSL router/modem(?). The
 > leased-link guys gave us a set of global static IP addresses we make use
 > of
 > it for our mail and web servers whereas the ADSL guys they are dynamicly
 > assigned.
 >
 > My higherups wants to have a firewall solution. I do not know how I can
 > run
 > both onto a single firewall though they both have the 10/100 Ethernet
 > output.
 >
 > My question is that is there a firewall that can get feed from multiple
 > default gateways Or can a firewall sit and screen on multihomed server.
 > (multiple NICs)
 >
 > Or should go for two instance of firewall?
 >
 > Please help me out on this horrifying issue.
 >
 > regards
 > suresh
 >

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