With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cipSecTunStatus
Cisco IPSec Sec Tunnel Status
1.3.6.1.4.1.9.9.171.1.3.2.1.51
The status of the MIB table row. This object can be used to bring the tunnel down by setting value of this object to destroy(2). When the value is set to destroy(2), the SA bundle is destroyed and this row is deleted from this table. When this MIB value is queried, the value of active(1) is always returned, if the instance exists. This object cannot be used to create a MIB table row.
Back to CISCO-IPSEC-FLOW-MONITOR-MIB MIB page.
IPHost Network monitor allows you to monitor cipSecTunStatus on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.