[nsp] PPTP Vpdn Question

[Oleksandr Pantus]

Hello !

Here we have got the same problem. Our investigation shows that such
behaviour is caused mostly by various NAT alghorhytm. For example,
there is no problem with multiple clients behind the FreeBSD NAT while
Linux NAT (ip masquerade they name it) gives us the same picture as yours.

On Wed, 30 Jul 2003, Dan Armstrong wrote:
> We have a 7206 terminating PPTP VPDN connections, authenticated with
> radius.
>
> It seems that if I have a customer out there in the world behind a NAT
> firewall, they can only make one PPTP connection to us.  During a debug,
> I notice that the second user trying to connect appears to try and get
> stuffed into the first person's Virtual Access interface, and
> essentially kicks off the first person, and the second person appears to
> hang up.
>
> I imagine this has something to do with the fact that thay both
> "appear" to be coming from 1 remote IP.... does anybody know a way
> around this?



-- 
S/Y,
Alexander, MD, 			nic-hdl: AJP1-UANIC