Connect Astaro to IBs Accounting (radius)

Hi,
im new user of astaro gateway
is see many help pdf file and this forum
but i dont see , you talk to ibs accounting

i want add my users from ( ibsng ) ibs accounting to astaro gateway for pptp and l2tp and http vpn so
this is my exaple ibs config pls help me how config my astaro gateway ?
my version is : 8.301

pls help my , i want this very very

Attached Images

ibs.jpg (48.0 KB)