With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cipSecTunHistActiveIndex
Cisco IPSec Sec Tunnel History Active Index
1.3.6.1.4.1.9.9.171.1.4.3.1.1.3
The index of the previously active IPsec Phase-2 Tunnel.
Back to CISCO-IPSEC-FLOW-MONITOR-MIB MIB page.
IPHost Network monitor allows you to monitor cipSecTunHistActiveIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.