[ale] Question about cable modem connections

Joshua Kite jwkite at gmail.com
Wed Oct 1 09:26:46 EDT 2008


I'm not sure that really solves the problem that Jim brings up.  As I
recall, cable modems traditionally grab the MAC address of the first PC
which connects to it, and from then on ONLY that MAC address is accepted,
which is why the router would need to clone the MAC address of that
computer.  However, I also think that I've had no problems connecting other
PC's directly to the modem, so Comcast may have changed their ways.

I have Comcast, so I will take a few minutes for an experiment.  I'll take
apart the network and connect my Linux desktop to the modem, see what
happens, and report back.  Of course, whatever happens with my set up may
not represent what will happen with hers, but it might give an indication.

Josh Kite

2008/10/1 Warren Myers <volcimaster at gmail.com>

> You could preconfigure the router at your house, then send it with her.
> Restarting the router forces it to regrab the IP address of the device it's
> connected to (at least on the ones I've used).
> WMM
>
>
> On Wed, Oct 1, 2008 at 8:32 AM, Jim Lynch <ale_nospam at fayettedigital.com>wrote:
>
>> Jim Kinney wrote:
>> > All the cable modem crap I've dealt with require a registered MAC
>> > address. So the installer sets up the box i.e. - plugs it in) and then
>> > phones in to have the new device "approved" witht he MAC address of
>> > the WINDOWS PC plugged into it. The modem does not provide dhcp. The
>> > upstream cable service provides it.
>> >
>> >  I would recommend providing a broadband router of some sort (wireless
>> > optional) as the WAN side by default is looking for dhcp service.
>> >
>> I'd never be able to get her to install and configure a router.  Surely
>> I can just furnish her with the mac address if the ethernet card in the
>> laptop, can't I?  I don't think there will ever be a time that more than
>> that one computer is connected in that home, unless I'm there.
>>
>> Thanks,
>> Jim.
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>>
>
>
>
> --
>
> Warren Myers
> http://warrenmyers.com
>
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