From: raydias@hp.com   
      
   Frank,   
       Your issue is related to NAT. Some devices do NAT in strange ways and   
   the gateway does not like it. Also if the gateway is not NAT aware and   
   friendly, your probably out of luck. Can you disable the NAT function or   
   forward the UDP port 500 to the local subnet? IPSEC is a tricky bugger.   
      
   I suspect if you had a chance to look at the gateway logs or have your admin   
   do it, they would see a no response from host entry for you. that would mean   
   that the gateway is trying to send the UDP packet to the NAT device and the   
   device isn't passing it on.   
      
      
   Raymond Dias   
      
   "Frank"  wrote in message   
   news:c1hu89$1i0h9i$1@ID-171472.news.uni-berlin.de...   
   > Hi all,   
   >   
   > I tried to set up a VPN Connection to my company from my home-LAN via DSL.   
   > I'm using an Allied Telesyn Firewall/Router AR320 with NAT. My VPN Client   
   is   
   > a Nortel Contivity on a W2k pro machine. I enabled Port UDP 500 for IPSec   
   > and tried also some others. With Ethereal I saw that my Workstation tried   
   to   
   > connect to the VPN-Server but didn't get any response!   
   >   
   > Does anyone have some suggestions?   
   >   
   > Thanks & Regards,   
   > Frank   
   >   
   >   
      
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