PPTP server with hotspot server

Hi,

I am trying to implement a PPTP server on a MT box that also has a hostop active on its LAN.

I can connect to the VPN fine, ping the router itself from client, but none of the equipments of the LAN. proxy-arp is enabled.

As I already spent several hours googleing on it for ideas, I suspect it could be related with the hotspot service running.

Any advise appreciated,

Olivier