[vpn-help] Zyxel USG50 dynamic VPN problem

[Jean-Marc Gigandet]

Hi,

We are using Zyxel products to establish tunnels between our offices.
Some people need to connect from everywhere, so we are using ShrewSoft 
for this purpose.
Everything was OK with our old Zywall 5. But we changed for a Zywall USG50.
All tunnels are OK, except the one used by travelling people (dynamic VPN).

We supposed the problem was with the Zywall, as this was the only thing 
that changed.
But we noticed that other products (IP Securitas on Macbook Pro, 
TheGreenBow product for some people, other routers like Zywall 5 or 
LinkSys WRT54G, etc...), would established the tunnel without problem.
So, we now think that there's a problem with Shrewsoft product.
The debug is showing :
/config message type is invalid for pull config/

I tried to change the rules and disabled auto-configuration, but that 
does not work.

Tested with :
Shrewsoft : V2.2.0 to V2.2.2
Windows OS : Win 7 XP pro 64.
Router : Zyxel Zywall USG50
Router OS : 3.3.0 (BDS7)~20150423

Any clue ?

Regards,
Jean-Marc
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