Why leases are not renewed always via dhcp-relay ?

[Sébastien CRAMATTE]

Where can I check this ?


LEMORDANT Philippe RD-CORE-LAN escribió:
> Hi,
>
> Check the giaddr value of the client request-renew. It might be set to 0.0.0.0. In this case the server directly answers to the client and bypass the relay-agent.
> Regards
> Phil
>
> -----Message d'origine-----
> De : dhcp-users-bounce at isc.org [mailto:dhcp-users-bounce at isc.org] De la part de Sébastien CRAMATTE
> Envoyé : vendredi 6 juillet 2007 16:28
> À : dhcp-users at isc.org
> Objet : Why leases are not renewed always via dhcp-relay ?
>
> Hello,
>
> I've got some problems with DHCP relay
>
> I'm running  Arris CMTS C3 to manage cable modems. This one act as my dhcp relay agent.
> My dhcp server assign private IP for modems and public to the CPE  (end user computer).
>
> When I connect a new user  cable modem and cpe  obtain IPs via Dhcp Relay as expected
>
> But when it's time to renew the lease, the server renew the IP directly bypassing the dhcp relay
>
> It's very strange ?
> I want to force to use  dhcp relay  in every case ... I need option 82 datas so when a lease is renewed directly I loose these datas Any ideas or configuration tips ?
>
>
> Regards
>
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