Re: BT Voyager 2100 router and CISCO VPN

From: Steven L Umbach (n9rou_at_nospam-comcast.net)
Date: 10/01/05 

Date: Sat, 1 Oct 2005 09:53:23 -0500

So you are saying that the VPN connection works with your friends router??
If that is the case check the configuration of your router as they usually
have an option to enable/disable pptp or ipsec passthrough. If you find such
enable them to see if that makes a difference. If the router has an option
to enable/disable SPI try disabling SPI at least temporarily. DSL
connections can be touchy if the MTU is not correct and that can be
configured in the router. You might want to compare your MTU setting to the
one you have. --- Steve

"mikek" <mikek@discussions.microsoft.com> wrote in message
news:8920413B-2C62-4B94-84C2-C6C1526F0796@microsoft.com...
> Home network with 3 desktops and BT2100 wireless router. Works GREAT!
> Now
> try to connect Work laptop. Plug into router. Worked for about six
> months.
> Now I can't get the VPN client to handshake with its server. I can ping
> the
> server, but something seems to be stopping the handshake. Laptop works
> fine
> on LANs all over GB, wired or wireless. I've proved ISP is not problem by
> borrowing friends router - different make! So there's somethign about the
> BT2100 that's stopping VPN. BT helpline so far no use at all. I did do
> the
> recommended firmware upgrade about two days before it stopped working....
> but
> if this is the problem, why did it work for 40 hours before throwing it's
> hand in. I've put the router into DMZ for the IP of the laptop - so in
> theory, if I understand it right, the should be complete transparency.
>
> Anybody got any ideas where I go now?
> Thanks

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