Here is the StoneGate 5.3 Cacti host template.

It includes :
- CPU usage details, global and per core
- Physical memory usage
- Current connections
- Allowed packets
- Discarded packets
- Refused packets
- Logged packets
- Accounted packets
- Disk space usage per partition
- Standard interfaces traffic (including 64 bits counters support)
- Management uptime

Special thanks to noname at Cacti forums for his great help ;-)