With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cipSecTunKeyType
Cisco IPSec Sec Tunnel Key Type
1.3.6.1.4.1.9.9.171.1.3.2.1.6
The type of key used by the IPsec Phase-2 Tunnel.
Back to CISCO-IPSEC-FLOW-MONITOR-MIB MIB page.
IPHost Network monitor allows you to monitor cipSecTunKeyType on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.