With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cipSecTunHistOutEncryptFails
Cisco IPSec Sec Tunnel History Out Encrypt Fails
1.3.6.1.4.1.9.9.171.1.4.3.1.1.49
The total number of outbound encryption's which ended in failure by this IPsec Phase-2 Tunnel.
Back to CISCO-IPSEC-FLOW-MONITOR-MIB MIB page.
IPHost Network monitor allows you to monitor cipSecTunHistOutEncryptFails on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.