This report will display the VPN usage for the past week. It pulls the info from the syslog data and it's currently configured for Cisco ASA v8.x VPNs.
It works for both Remote Access and Site to Site VPNs.
|1/10/2013 12:35:25 PM||Group = W???????, Username = ????????????, IP = 64.xxx.xxx.xxx, Session disconnected. Session Type: IPsecOverNatT, Duration: 0h:14m:09s, Bytes xmt: 2738617, Bytes rcv: 440645, Reason: User Requested|
|1/10/2013 12:29:36 PM||Group = 205.xxx.xxx.xxx, Username = 205.xxx.xxx.xxx, IP = 205.xxx.xxx.xxx, Session disconnected. Session Type: IPsec, Duration: 1h:36m:53s, Bytes xmt: 1095835208, Bytes rcv: 12973735, Reason: Idle Timeout|