RE: cable modem on home network
It shouldn't be that hard. Just swap your modem for another NIC (or
just keep the dialup modem in as a backup connect). New NIC into cable
modem and set to get its IP via DHCP. Other NIC goes into your private
LAN. You might need to update your ipchains rules file for the new
external interface, but that should be it.
The simplest way to do your private network is to set Box2's IP
statically and set its default gateway to Box1's internal NIC's IP
(Which is probably how it is now...).
Understand?
Most of the ipmasq and ipchains tutorials explain this fairly thoroughly
and probably a bit better than myself.
http://www.linuxdoc.org/HOWTO/IP-Masquerade-HOWTO/
http://www.linuxdoc.org/HOWTO/IPCHAINS-HOWTO.html
- James
> -----Original Message-----
> From: mheyes@lincolnfp.com [mailto:mheyes@lincolnfp.com]
> Sent: Tuesday, April 02, 2002 8:22 AM
> To: debian-firewall@lists.debian.org
> Subject: cable modem on home network
>
>
> I have a small "network" at home with a dialup internet
> connection to box-1 with one Ethernet card. The Ethernet card
> is connected to a hub, which is connected to box-2. Box-1 has
> ipmasq, and ipchains. Everything works as it should from both boxes.
>
> I would like to use a cable modem (if Comcast ever gets
> around to provisioning the cable modem). I am pretty sure I
> can get the DHCP stuff working on the first box, but I am not
> sure about how to get the second box to connect to box-1 or
> the internet.
>
> I'm told I could buy a cable modem router, and just connect
> each box to it, but the whole point of all of this is to
> learn, and I wouldn't learn much that way.
>
> I am reading the DHCP mini-how-to, but I need a little
> overview of what is possible and what isn't, and maybe a
> pointer to some additional docs. Thanks.
>
> michael heyes
>
>
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