freeradius with pptp

[Alan DeKok]

Xu Tingting wrote:
> I have installed freeradius(mysql module) vpn(pptp) servers.
> The vpn users are authenticated by username and password in radcheck
> table, but not specified a IP address.
> In my servers, there are multiple IP address.

  What does that mean?

> When use vpn, my computer shows a constant IP with all vpn accounts.

  What part of your computer?  Be specific.

> How can i specify IP for vpn accounts?
> What i want is that different vpn users use different IP address.

  You need to explain *exactly* what you're seeing.  So far, your
question is too vague for me to give an answer.

  Alan DeKok.