Multiple internet connections

Multiple / MULTIPLE
December 8, 2008 at 02:13:25
Specs: XP, multiple
Well 2 whould be nice...
I have a 2 PCs running XP connected using ethernet cable to a BT Voyager 2500 which itself is connected to a cable modem. The first PC to boot will connect to the internet but the second fails.
I thought that the Voyager uses NAT to avoid this.
I'm a noob who is using this method of connecting rather than purchasing a new router.
Could you point me in the right direction please?

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December 8, 2008 at 02:41:16
The BT voyager is an ADSL modem/router. By plugging a cable modem into the RJ45 Ethernet ports you are by-passing the modem and the NAT facility. To get NAT you need something plugged into the RJ11 WAN port which is not possible with a cable modem. In other words it isn't going to work with a cable modem.

You need to by just a router with no built in modem and then you will get NAT facilities or get an ADSL connection.


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December 8, 2008 at 03:58:42
Thanks for your prompt reply.
It wasn't the answer I was looking for but hey, life sucks ;)

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December 9, 2008 at 21:14:49
A new router might help I agree, I suspect that your problem is really the point of connection. What I mean is you can only have one of something connected to your ISP. That one thing might be a computer, router, modem.

As I understand it you are using that adsl just as a hub or switch. It makes your modem share connection, yes, but not in the way you need. The problem might be that your ISP doesn't allow multiple connections. A few ways around that might work. An easy way would be to use Analogx's free proxy to share the "first" computer, (people also in some cases can use ICS, internet connection sharing). Second might be to put the point of connection at the modem if it is advanced enough, then your lan would use private ip's instead of a public IP. Third could be a new router that would allow you to connect to your isp (inside the router) and it then shares the connection on the lan side.

"Best Practices", Event viewer, host file, perfmon, antivirus, anti-spyware, Live CD's, backups, are in my top 10

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January 12, 2009 at 13:39:48
The problem is that I was trying to get my existing equipent working together rather than spend on a new Cable Router. The Cable modem was provided by my new service provider (Virgin) and the Voyager I got a couple of years ago when I started another contract (BT).
A friend donated a Netgear FS605 saying it would sort the problem but as it is a switch and not a router it failed to resolve the issue and confirmed your comments.
If I want to have more than a single connection a Cable Router is my best option.

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