Configure a new VPN L2TP/IPSec connection with the Mac OSX native client
1- Open the "Systems Preferences" menu, and click on "Network".
2- Add a new connection by clicking on the addition sign in the lower left corner.
3- Select the following parameters:
- Interface Category : VPN
- VPN Type : L2TP via IPSec
- Give a name to your new connection
4- During this step you will need:
- The public IP address of your Cisco ASA firewall and the username that were given to you by your firewall/VPN administrator.
5- Enter the password and the shared key ("Pre-shared key") your firewall/VPN administrator.
Click on OK, then on "Apply".
You should now be able to access your internal servers from your machine.
If you experience problems with your VPN connection:
a- Make sure your computer is connected to the internet
b- Make sure that you followed the connection instructions (described above), double-check as required.
c- Make sure that the connection credentials you are using are valid and are those that your firewall/VPN administrator gave you (firewall IP address, username, password, shared key)
If the problem persists, contact your firewall/VPN administrator.