Setting up the CS VPN client on MacOS 10.6.x (Snow Leopard)
From System Preferences, click on Network
On the lower left of the Network window, click on the "+" to add a service
Enter the information below:

Click on "Create" to continue
From the Network, enter the information below and make sure to enter your username and kerberos password:

Click on "Authentication Settings..." and enter the Shared secret: fishyfishy and Group Name: csd-kerb:

Click on "OK"
Click on "Apply"
Running the Client:
Select "CS VPN" on the left pane of the Network window and click on Connect. Once connected, you will see the status "Connected" and you will have an IP address of 172.16.x.x: