I would recommend VPN 3000 series concentrator. It has all the features which you will require to secure your network. Though you can configure PIX to terminate your VPN tunnel, but I think VPN concentrator is a scalable solution in case if number of...
My two cents, first of all make sure that your WINS or DNS(if its Win2K environment) are working properly at the central site. Secondly the machine through which you are connecting to central site must have the same DOMAIN name as of the central site...
I tried to configure a VPN concentrator(3015) on my company LAN. I configured the public and private interfaces with public and private addresses as per the addressing scheme of our company. My VPN connection established when I tried to connect with ...