With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cipSecEndPtHistActiveIndex
Cisco IPSec Sec End Point History Active Index
1.3.6.1.4.1.9.9.171.1.4.3.2.1.3
The index of the previously active Endpoint.
Back to CISCO-IPSEC-FLOW-MONITOR-MIB MIB page.
IPHost Network monitor allows you to monitor cipSecEndPtHistActiveIndex on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.