Home Network Catastrophy

gentooJunkie · Posted: Wed Jul 23, 2003 1:30 pm Post subject: Home Network Catastrophy

I just bought a laptop and proceeded to setup Linux on it. I want to make it so both it and my other computer are connected to the internet at the same time. I have a small hub and am using ADSL. Both my desptop can be connected to the internet through the hub while alone, but both of them cannot be connected at the same time. If one is connected, and I boot up the other one, it will time out on DHCP and not set up eth0.

Is there anything I can do to get them both working at the same time?
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ctford0 · Posted: Wed Jul 23, 2003 1:41 pm Post subject:

You need to either buy a broadband router or setup an old computer up with linux to act as a router for you.

chris

gentooJunkie · Posted: Wed Jul 23, 2003 1:46 pm Post subject:

OK, wouldn't it be possible to use the desptop as the router? Is there a quick and easy way to do that?

I must be sounding like a real newbie.
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TheCoop · Posted: Wed Jul 23, 2003 1:54 pm Post subject:

if you do want to set up the desktop as a router:

get two NICs in there (or whatever the ADSL line connects to + NIC). connect adsl to desktop and desktop to hub, then the laptop to the hub (or laptop direct to desktop via a crossover cable). Set up IP masquerading (google for it) on the desktop, look at shorewall for help

one problem with this it that the desktop machine has to be booted into linux for the laptop to have internet access. I also recommend a static ip config if its just the desktop and laptop
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insanethrees · n00b Joined: 19 Jul 2003 Posts: 10 Location: Seattle, USA

You don't actually need 2 NICS. My guess is that your ADSL "modem" has a 4-port hub on it or something similar. You can plug both machines into it, and then add a virtual interface (eth0:1) to the machine that you pick to be the router.

Both eth0 and eth0:1 share the same physical NIC card, but they can have different IP's and subnet masks. I've used a setup like that to provide NAT access for several other machines.

linux_weenie · Guru Joined: 25 Jun 2003 Posts: 365

his modem doesn't necessarily have 4 ports on it. just depends on his modem. i would recommend the two NIC card approach not hard to setup and very cheap $5 bucks on pricewatch.com

TheCoop:
why does the desktop have to be booted to linux? aren't there windows router products?
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Schwin97 · n00b Joined: 25 Oct 2002 Posts: 65 Location: Frisco, TX

Since you will be routing the traffic through your desktop it will need to be on...

Under the impression that the desktop is running linux

gentooJunkie · Posted: Sun Sep 07, 2003 12:55 pm Post subject:

OK OK, the computer has to dual boot with ...ick...win (gf uses the comp too). So once I a broadband router, how do I get it so that both computers can use the internet at the same time?

Can I just plug it in and it will work?
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Gen-toooooooooooooooooooooo!!!

gentooJunkie · Posted: Mon Sep 08, 2003 7:21 am Post subject:

NM it was easy

thanks all
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