On 19-Feb-10 09:45:39, Chris G wrote:
My brother-in-law has a new computer with Ubuntu 9.10 installed in it, we put it together here at my house and it connected to the internet with no problems via my router here - just plugged the RJ45 in and it worked. So, basically, it's networking must be configured about right.
Now he's back home and wants to connect to the internet via an NTL cable modem (now Virgin Media). The cable modem model number is NTL 250 - Model E08c007. When the RJ45 from the cable modem is plugged into his old Windows machine it works, when it's plugged into his new Ubuntu machine it doesn't work.
Can anyone tell me how to get this to work? Is it a question of telling NTL/Virgin that there's a new machine (with a new MAC address) connected or does the Cable Modem expect authentication across the ethernet cable, or what?
-- Chris Green
This reminds me of a very similar situation when I once helped a friend who was also on Virgin. Initially there was only one PC in use. Then they wanted to connect more than one.
The ISP required any machine connected to their cable to be registered, and there was a limit on the number (I think two but not sure now). Also, going through the registration was a real pain.
I solved it my buying a router which had one WAN socket which could be connected to the NTL cable modem, and four LAN sockets. Then up to four machines could be connected to the router's LAN sockets, and the router assigned local IP addresses to the connected machines. Then it was only necessary to register the IP of the router's WAN side with Virgin, a one-off operation, and all worked nicely.
This was a Peak "High Speed SOHO 1 WAN 4 LAN Broadband Router" (quoted from the box), but I'm sure there are many equivalents!
Ted.
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