Fwding PPoE request using iDirect

we want to design a solution for customer on the usage based billing so there is a need to integrate iDirect with AAA or iDirect customer with AAAfor authentication....PPP is the only scenario for this

is that iDirect Hub will integrate with AAA...is it possible to sync the iDrect Modem/CPE will be sync after authenticated by AAA...and this request is fwded by iDirect hub


and can iDirect carry DHCP with option 82 in it ?


Regards,
Danish