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Date:      Wed, 08 Nov 2000 15:34:26 -0500
From:      Nathan Vidican <webmaster@wmptl.com>
To:        questions@freebsd.org
Subject:   using FreeBSD as an access router
Message-ID:  <3A09B8D2.DFE6A8C3@wmptl.com>

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Simple question... Can FreeBSD be used to run an access router?

Here's the scenario:

I have one machine on a local network, using an ethernet connection to a
switch, which intern connects to core router for the network. The core
router routes a class C (253 usable IP addresses after router) to the
ethernet switch, afterwhich point the servers are setup using static IP
addresses and plugged into the same switch. I would like to take one
machine, assign it a static IP address, plug four modems into it, and
allow PPP dialin access. The PPP daemon must assign one of 20ip
addresses to the dialin party based upon the username supplied. I want
to be able to use pap/chap authentication. 

My Question(s):

How would one configure PPP to allow dial-in access from internal
modems; as-in how does one force the modems to answer the line when it
rings?
Would I need to define static routes for each of the IP addresses to go
through the one machine, or would setting gateway_enabled="YES" in
rc.conf do fine for PPP? (Would I need to just run RIP?)

Summary:

I want to use a FreeBSD box, loaded with a few internal modems to allow
dialin PPP access. I also want the dialin IP's to be routed through the
ethernet interface on the box containing the modems; essentially
creating a small access router. 
I have done exactly this, but on a larger scale (48modems), using
Livingston (/Lucent) Portmaster 3's, and a radius server for the
authentication/IP address part.
Any suggestions or comments are greatly appreciated.


-- 
Nathan Vidican
webmaster@wmptl.com
Windsor Match Plate & Tool Ltd.
http://www.wmptl.com/


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