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Creating a L2TP over IPSEC VPN from Windows XP SP2 to a Netscreen 50 advanced
Hi, below is what i have
Windows XP SP2, connected to an ADSL via a Draytek 2600G which is doing NAT
Netscreen 50 Advanced 5.3 r3.0
What i want to do is create a L2TP with IPSEC using a Pre shared Key, how do i do this?
I have read varous documents, but cant get it working.
the error i am getting on the netscreen is that the Pre shared key may not match.
where do i set the type of security on the Windows XP client?
also i forgot to say i am using the native VPN client on the Windows XP Pc and not a remote client.
Internet Protocol Security
8/22/2022 - Mon
L2TP and IPSEC are two different types of protocols for VPN. To my knowledge, they're NOT compatible. Are you trying to tunnel inside a tunnel? Or one end L2TP and the other IPSEC?
I think they are compatable, l2tp is the tunnelling protocol and the IPSEC is the security, i know you can have AH or ESP with IPSEC.
I am positive i cannot use IPSEC with AH behind NAT as NAT will change the IP when NAT is applied.
I know i can use IPSEC with ESP with Certs behind NAT but not sure if i can use a PRE SHARED key or not.
laytonblackham, you are correct you can't use NAT and IPSEC w/ AH. There's no reason that the pre-shared key won't work provided.
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