XPost: comp.dcom.sys.nortel   
   From: ryden@labyrinth.net.au   
      
   It looks like it may be the ISPs fault.   
      
   They are blocking inbound connections on ports less than 1024 for all "home"   
   ADSL users.   
      
   So, now I am looking for a new ISP.   
      
   Thanks for the help and suggestions.   
      
   -- Phil   
      
      
   "Philip Ryan"  wrote in message   
   news:bo6ehc$h3v$1@arachne.labyrinth.net.au...   
   > Hugh   
   >   
   > Good points. And yes I'm pretty sure that the connectivity method is not   
   > different at the IP layers that we are dealing with.   
   >   
   > Yes I can ping the VPN servers (my company has 4 of them distrubuted   
   around   
   > the world, and they all respond to pings, and traceroutes).   
   >   
   > Logging, though... haven't tried that yet, let's see what I get...   
   >   
   > (doing the "log session to file" thing from the VPN client)   
   >   
   > Get the following:   
   >   
   > Tue Nov 04 07:34:00 2003 | Isakmp | I | Logging subsystem initialized.   
   > Tue Nov 04 07:34:22 2003 | Isakmpd | I | Connection initiated to   
   > 206.35.147.85 [206.35.147.85] using Diffie-Hellman group 2.   
   > Tue Nov 04 07:36:51 2003 | Isakmpd | F | Login Failure due to: Remote host   
   > not responding   
   >   
   > So, this makes me think that the modem/router is somehow blocking the   
   > responses from the VPN server.   
   >   
   > -- Phil   
   >   
   >   
   > "Hugh Pritchard"  wrote in message   
   > news:3fa6586d$0$52879$5a6aecb4@news.aaisp.net.uk...   
   > > "phil ryan"  wrote in message   
   > > news:bo48md$20vc$1@arachne.labyrinth.net.au...   
   > > > TheNortel Contivity VPN client (V04_65.18) works fine to my office   
   > Nortel   
   > > > access servers over a dialup modem link.   
   > > >   
   > > > (even a 'shared' dialup modem link from another PC on the LAN)   
   > > >   
   > > > However, when I try to connect through an ADSL modem (Netcomm NB1300),   
   > it   
   > > > fails.   
   > > >   
   > > > The ADSL connection is to the same ISP as my dialup connection.   
   > > >   
   > > > ADSL is using PPPoA (but I don't understand what all the different   
   > > settings   
   > > > are).   
   > > >   
   > > > I'm wondering if there are tunneling ports that I need to set up on   
   the   
   > > ADSL   
   > > > modem. The modem manufacturer's pages say that VPN tunneling is done   
   by   
   > > > default, though.   
   > > >   
   > > > Thanks for any clues/assistance.   
   > > >   
   > > > -- Phil   
   > > >   
   > > >   
   > >   
   > > Hi Phil,   
   > >   
   > > We use this config all the time so I can confirm it will work. I believe   
   > > PPPoA is because our ADSL in the UK uses ATM (as opposed to PPPoE over   
   > > Ethernet)  but it shouldn't affect your VPN connection. Your problem may   
   > be   
   > > if your Netcomm NB1300 has any kind of firewall in it then the ports you   
   > > need may be being blocked. If you choose to log session to file in the   
   > > option tab, how far does the connection get? Also at a more basic level   
   > can   
   > > you ping the VPN host from your ADSL line just to prove   
   > connectivity/routing   
   > > is OK.   
   > >   
   > > Cheers,   
   > >   
   > > Hugh.   
   > >   
   > >   
   >   
   >   
      
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