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echo: os2hardware-l
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from: `Duncan Way`
date: 2005-08-09 14:30:20
subject: Re: [OS2HW] Help Change from Injoy to Dlink DI604, #2

On Tue, 09 Aug 2005 13:49:01 -0400, Don(ald) O. Woodall wrote:


>
>>I think the problem might be that your ISP is looking for a specific
>>MAC address.  Since the MAC address of your DLink is different from
>>the MAC address of the NIC in your basement computer (IIRC, this is
>>the one that will connect through Injoy) your ISP will refuse the
>>connection.
>
>     I do not agree or accept the popular theory that ISP's
>are able to read the MAC addresses of NIC's.
>
>     This is based on my experience when I had Cable service
>several years ago, now.  When the cable service was installed, the
>installer that came out, had to call in the MAC address 'OF THE CABLE
>MODEM' not the MAC address if the NIC in my computer.
>
>     Then later, when I changed from a rented "cable modem"
>to a "cable modem" I had purchased, I had the same experience a second
>time.
>
>     Since, the router is behind the DSL modem, I don't see
>how it would be technically possible for the phone company
>to read the MAC address of either the DLink router and/or
>a NIC on any computer connected to it.


Your ISP gets its MAC address from the router.  As far as it is concerned
your router 
is a (the) computer it is talking to.  Your router gets the MAC addresses from from 
each computers NIC so that it knows who is who.  From the router and each
computer you 
decide if you want to use dhcp or static, usually by powering up each computer in 
turn, noting what IP address is assigned and the fixing them to be permanent if you 
want a particular machine to always have, for example, 192.168.0.2, so that
the power 
on sequence of your machines does not alter the IP address assigned to it
if you have 
it hard coded somewhere.

>     Directly.  I am trying to eliminate the need for the
>basement computer and the "switch."
>

Your router is a switch.  Remove the "switch" from the equation. 
All machines plug 
into the router, it's a router and switch.

Duncan



 
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