While Cisco AnyConnect is recommended,
this is an alternative option.

1. System Preferences - Network

   
2. +

   
3. • Interface: VPN
   • VPN Type: Cisco IPSec
   • Service Name: Chem VPN

   
4. • Serer Address: vpn.chem.ucla.edu
   • Authentication Settings...

   
5. • Shared Secret: chemistryvpn
   • Group Name: chem

   
6. Connect

   
7. • Username: <username>
   • Password: <password>