[vpn-help] negotiantion timeout occured on Win7 64Bit (August 2012)

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Hi all,

have the same connecting problem as it was posted earlier in this 
mailing list:

Win7 64Bit SP1 client (German) with Shrew VPN Client 2.1.7 (and 2.2.0 
beta, separetly tested).

Trying to connect brings me to the "negotiation timeout accoured" message.

Checked the adapter settings (Filter) with all tried media (Mobile 
Phone, WiFi, Ethernet/cable)

Using WinXP / SP3 (german) everything is working as exprected with every 
media (mobile, WiFi...)

Using a LANCON 1722 VPN Gateway with the lates Firmware (LC.OS)

Attached you'll find an IKE trace log.

Any help would be highly appreciated!

Thank you
David
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