With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
protocolDirLastChange
protocol Dir Last Change
1.3.6.1.2.1.16.11.1
The value of sysUpTime at the time the protocol directory was last modified, either through insertions or deletions, or through modifications of either the protocolDirAddressMapConfig, protocolDirHostConfig, or protocolDirMatrixConfig.
Back to RMON2-MIB MIB page.
IPHost Network monitor allows you to monitor protocolDirLastChange 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.