With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cipSecTunInPkts
Cisco IPSec Sec Tunnel In Packets
1.3.6.1.4.1.9.9.171.1.3.2.1.32
The total number of packets received by this IPsec Phase-2 Tunnel.
Back to CISCO-IPSEC-FLOW-MONITOR-MIB MIB page.
IPHost Network monitor allows you to monitor cipSecTunInPkts on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.