Question : Monitor VPN Bandwidth Usage on a Pix 515 Firewall

Does anyone know of a good way to monitor the bandwitdh usage that the IPSec VPN tunnels utilize on a Pix 515 firewall running the 3.0 Pix Device Manager?

Answer : Monitor VPN Bandwidth Usage on a Pix 515 Firewall

Unfortunately, there is no utility that can monitor that. You can get total interface utilization but that's about all. You can get the number of users connected and see the packet counts per connection
Monitoring | VPN Statistics | IPSec VPNs