[Gllug] ADSL and DHCP woes - solved.

[Robert McKay]

On Sat, 4 Jan 2003, Chris Wareham wrote:

> Just in case anyone else buys the D-Link DSL-300G+ ethernet ADSL modem
> (what a mouthfull ...) here's a few pointers to get it working. Upgrade
> the firmware to the latest version available at the D-Link FTP site.
> This seems to cure problems which prevent Unix machines with the ISC
> DHCP client from getting the correct IP address. Only one machine (or
> more accurately one network card) can configure and use the modem. The
> modem stores the network cards MAC address, and uses that to determine
> which machine gets the ISP assigned IP address. More than one network
> card can use the modem if you spoof the MAC address to always be the
> same - Linux certainly supports this, but I haven't tried it under
> NetBSD. There again I don't know whether Linux uses the same DHCP client

Another way that almost always works is to just reboot the cable modem so
it forgets the MAC address, when it boots up it just recognizes the first
MAC address it sees.

-Robert.


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