With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cipsIsakmpPolLifetime
Cisco IPsec Isakmp Pol Lifetime
1.3.6.1.4.1.9.10.62.1.1.5.1.6
This object specifies the lifetime in seconds of the IKE tunnels generated using this policy specification.
Back to CISCO-IPSEC-MIB MIB page.
IPHost Network monitor allows you to monitor cipsIsakmpPolLifetime 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.