[CentOS] IPV4 is nearly depleted, are you ready for IPV6?

On Tue, Dec 7, 2010 at 6:23 AM, Mathieu Baudier <mbaudier at argeo.org> wrote:
>> >     b)  Do I get charged by my ISP on a per-device basis?
>>
> This is no science fiction.
> Some big providers in some countries limit the number of device that
> can connect to internet. You have to register the MAC address of your
> single PC (which, by the way, is expected to run Windows or MacOS)
>
> In that case, a NAT router sending the MAC address expected by the
> provider could have (maybe, possibly...) been very handy.
> (I won't tell more, even though I have left the country and the
> provider in question)

I've had such a provider. This is why you can assign a MAC address to
a dsl router's WAN interface.