With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cePfeHistTimeStamp
Cisco Entity Packet Forwarding Engine History Time Stamp
1.3.6.1.4.1.9.9.265.1.2.4.1.7
This object specifies the value of the sysUpTime object at the time the event was generated.
Back to CISCO-ENTITY-PFE-MIB MIB page.
IPHost Network monitor allows you to monitor cePfeHistTimeStamp 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.