Re: [gentoo-user] AT&T DSL + Westell modem/router = Gentoo woes

[Grant]

>> > I am not familiar with the modem in question, but if you are using your
>> > own router the modem should be set up in fully bridged mode and the PPPoE
>> > authentication will be managed by your Gentoo router.
>
>> Thanks Mick.  The Westell does have an option to take PPPoE off of the
>> device and I'd like to set that up soon.
>
> Right, without the PPPoE disabled the modem operates in a half-bridged mode
> (essentially it is a router running dhcp and 1:1 NAT).  I would disable NAT,
> dhcp and PPPoE on the modem so that it is in fully-bridged mode and then see
> if the problem is resolved. Your symptoms are typical of a half-bridged router
> and a dynamic IP address from the ISP.  Usually, the client on the LAN does
> not know when the ISP's WAN side IP address has changed and will not pick up
> the new address until the dhcp lease on the client has expired.  To overcome
> this botched implementation the half-bridged modem has a short lease. This
> doesn't always work, as I suspect is the case here.
>
> HTH.
> --
> Regards,
> Mick

Thank you Mick, I'm going to set that up ASAP.

- Grant