Re: [gentoo-user] Re: [OT] Interrogate network for devices

[Mick <michaelkintzios@gmail.com>]

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On Monday 11 February 2008, reader@newsguy.com wrote:

> The cable modem acquires an IP address by dhcp from comcast but also
> internalizes the MAC of the NIC in the PC, so if you change the MAC
> (By inserting a router in between, with a different MAC in this case)
> then the modem continues to try to connect to the MAC it has
> internalized.   It must be rebooted to acquire the new MAC (of the
> router in this case).

He, he, that's what I told ya!  Spoof (clone) the IP address on the router and 
you'd be good to go.  On the other hand if you power cycle the devices in the 
right order as Dale told you, you'll also get to the same point.

> Once that happens the Netgear routers (either one) connect with no
> problems.
>
> > It almost certainly has an Ethernet address.  It might not,
> > however, have an IP address.
>
> As you may have guessed I meant IP address.  That is, although the
> Modem connects to the PC by ethernet wire, it has no inward facing
> address.  This was explained by at least two other posters. (Something
> I'd failed to realize. I expected there to be an inward facing IP)

Quite often there *is* a static LAN IP address for the modem, which can be 
used to connect to it for diagnostic purposes.  Of course if the modem has 
only one ethernet port then you have to disconnect the router from it and 
connect your computer directly, after you set up the same IP subdomain using 
ifconfig.  A mate of mine has a Comcast router (probably different to yours) 
I'll ask how he got in and let you know.

> At any rate all is now well, and thanks to all for the tips and help.

Glad it worked out for you.
-- 
Regards,
Mick

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