[c-nsp] PPPoE and DHCP

Gert Doering gert at greenie.muc.de
Sun Oct 21 10:50:32 EDT 2007


Hi,

On Thu, Oct 18, 2007 at 07:35:46PM -0500, Frank Bulk wrote:
> What's not clear to me is who handles DHCP renewals....if the router
> requests that from the external DHCP server and uses IPCP to pass that on to
> the PPPoA/E client, or the PPPoA/E client initates that and the router
> tracks it.  

As there is no way to signal a lease time via IPCP, and no way (besides
closing and re-establishing IPCP) to renew the address received by IPCP,
I see the latter as "quite unlikely".

gert
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Gert Doering - Munich, Germany                             gert at greenie.muc.de
fax: +49-89-35655025                        gert at net.informatik.tu-muenchen.de


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