With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cipSecPhase2GWStatsTable
Cisco IPSec Sec Phase2 GW Stats Table
1.3.6.1.4.1.9.9.171.1.3.5
Phase-2 IPsec stats information is included in this table. Each entry is related to a specific gateway which is identified by 'cmgwIndex'
Back to CISCO-IPSEC-FLOW-MONITOR-MIB MIB page.
IPHost Network monitor allows you to monitor cipSecPhase2GWStatsTable 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.