I have been trying to setup a L2TP connection to connect a laptop via a wireless access point to my internal network.
I followed to “L2TP Roadwarrior Guidebook” for the L2TP setup and all of this seems to be working. Alas, connecting to my internal network (a Win2003 domain) has proved to be more trouble.
ASL (v5.015) configuration:
4 NICs - Internal(eth0), External(eth1), DMZ(eth2) and Wireless(eth3)
My wireless access point is connected directly to eth3 NIC via a crossover cable.
IPSec >> connections: MS Windows L2TP over IPSec - Endpoint = Wireless
Users defined in Definitions
Client configuration (WinXP pro on a P4 laptop):
A network connection with Logon User Name as a name defined in ASL
IP destination address = eth3 interface
Wireless card (NetGear) that connects to the WAP (successfully)
KB818043 patch applied (just to be sure)
I am able to make a successful connection to ASL with the above configuration and I get an IP address from the PPTP-Pool but that is where it all stops. No access anywhere else!
I have tried to make it work by creating MASQ and/or NAT rules along with Packet filter rules but nothing I have done so far enables me to get anywhere. I am fairly certain this is where it is all going wrong but I am at a loss to know what I need to do to get it all working.
Surely this is a pretty standard setup that other people use.
I need help . . .
Can someone please give me an example configuration that I can put in place in my environment or tell me what I have done wrong here. [:S]
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