I'm using the following reference.
Configuring L2TP over IPSec from a Windows 2000 or XP Client to a Cisco VPN 3000 Series Concentrator Using Pre-Shared Keys
I've got the connection working fine my question is security related. If I understand this correctly there is no encryption used with this config. When looking on the concentrator the session shows as having no encryption. I want to use this for our remote users but I need it to be secure (encrypted). Is there any way to use the native XP VPN client with the Cisco 3000 and using something like 3DES?