[vpn-help] Disconnection of multiple clients on the same subnet

[Matthew Grooms]

On 11/25/2010 8:23 AM, GIMENEZ Florent wrote:
> Hello,
> I've allready seen many post about this on your mailing-list but nothing
> seems to answer my question.
> It's a problem I encounter with Shrewsoft and Netasq Firewalls (whatever
> the model is).
> I don't have that problem with Greenbow clients and these Firewalls.
> When having multiple clients on the same remote subnet, they can't be
> connected at the same time on the same Firewall.
> We have encountered this problem for many peoples (in France and United
> States), and the concerned people are connecting well when no one else
> is connecting from the same remote subnet to the same firewall.
> All users use a different IP address and a different PSK.
> Our configuration is the same as in the Howto for configuring Netasq and
> Shrewsoft.
> Have someone encountered such problems ? Does someone know How to
> resolve this issue ?
>

Have you verified that the clients use NAT-T? Without support for this 
feature, you won't be able to hide multiple clients behind a single NAT.

-Matthew