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Offline detzTopic starter

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Come on NTL experts.......
« on: September 16, 2003, 02:18:31 PM »
I know there are a couple of people using NTL on here (doesn't someone work for them too?) so I'm sure someone can help. As you may know from my previous posts I'm trying to get online via an NTL cable modem and ethernet card in a Mediator. I have configured the card so I can ping my friends PC and vice versa (we are connected by a hub, the modem is connected via ethernet cable to the hub into the uplink port) Lights on the hub are lit for the two PCs, and the light for the modem blinks on and off as if there is data. The lights on the modem are lit for : Power, PC, Cable, and blinks for data, not in an on/off type cycle but randomly, like the hub as if there is data. However, I cannot configure MiamiDX to go online. Miami init does not allow me to select the fastethernet.device, so i can't use that (even though it works fine when manually configuring using MiamiDX) I have not yet registered MIamiDX, do I need to just to get it online (I know I do if I want to have the PC online too via my amiga as a gateway, which I will at some point). In Miami, lots of the options ere greyed out, (like the gateway button) and so I cannot actually click to get online, even though I can make the Network card interface online. It could be that NTL has disconnected the service, as the guy who had the contract in our house didn't pay the bill, and the phone got cut off although the internet was working for a long while afterwards (over a year) and it seems that there is data there. I've followed the instructions on the mediator pages but get stuck halfway through as options are greyed out.
 

Offline StevenJGore

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Re: Come on NTL experts.......
« Reply #1 on: September 16, 2003, 03:59:07 PM »
I use NTL 600K broadband for my PC internet connection. I'm nowhere near an expert but here is a suggestion...

Has the ethernet card in your mediator ever been used successfully on the NTL connection before, even if it was with a PC? When I first went online with NTL, I was using a PCI ethernet card, and when I switched to my Abit motherboard with a built-in ethernet port, I couldn't connect. I rang NTL and they told me that for security reasons, an ethernet card had to be registered with them (using it's IP address I think) before it would work on the NTL network. Perhaps this is part of the problem?

On the other hand, this may be PC-specific, or I may be talking complete gibberish!

Steve.
 

Offline Crispy_Beef

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Re: Come on NTL experts.......
« Reply #2 on: September 16, 2003, 04:06:25 PM »
I have an NTL 600kbs connection here.  First thing to determine is what kind of hub do you have?  If it's just a standard jobbie it may not be upto the job, you'll need a gateway/router that has network address translation (natd) to route packets to and from the PC/Amiga on the network.

This is how I have my set-up:

Cable modem plugged into FreeBSD box (my gateway/router), then this machine has another network card plugged into the network hub along with the other machines on the network.  Configure all the machines on the LAN to use the IP address of the router for the gateway, and also enter NTL's nameservers.

That's basically it.  A friend has a similar set-up but is using a hardware router/gateway instead of another machine.

Hope that helps a little.
-- Crispy
 

Offline SWAUG

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Re: Come on NTL experts.......
« Reply #3 on: September 16, 2003, 05:35:21 PM »
Ok what you are doing is not going to work with a hub...

You need a DSL/Cable router between the Cable Modem and the hub.  A good suggestion is the Netgear RT31x range.

See our website's support pages for a diagrammatic explanation of how to get it all working....

The reason that the hub is not working is because the NTL Cable Modem latches onto the MAC address of your network card.  It cannot chop and change between two network cards with different MAC addresses attached to a hub.  Putting the router in between introduces just one MAC address in the router and allows the data packets to be sent to the computer that requested them.

http://www.swaug.org.uk/sharebband.html
South Wales Amiga User Group
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Offline gnarly

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Re: Come on NTL experts.......
« Reply #4 on: September 16, 2003, 06:18:18 PM »
Quote

StevenJGore wrote:
I rang NTL and they told me that for security reasons, an ethernet card had to be registered with them (using it's IP address I think) before it would work on the NTL network.
You mean the card's MAC address. Its a number unique to the card I believe, and has absolutely nowt to to with apple computers. And yes, NTL do need to know what it is for you to connect.
Cheers,

Olly
Think Drastic
 

Offline that_punk_guy

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Re: Come on NTL experts.......
« Reply #5 on: September 16, 2003, 06:20:26 PM »
My Broadband Router (a US Robotics model) allows the MAC address to be "cloned" from the network card, so you don't have to register your new MAC address with NTL.