how to disable double connection

[Alan DeKok]

Tseveendorj wrote:
> I'm providing internet to customers via ADSL2+. I have cisco router and
> FreeRADIUS 2.1.3.
> Customer can make double connection via PPPoE.
> 
> How to disable double connection ?
> What kind of attribute can do that ?

  doc/Simultaneous-Use

  Alan DeKok.