With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cl2DevMonActivePollingFrequency
Cisco Layer 2 Device Monitoring Device Monitor Active Polling Frequency
1.3.6.1.4.1.9.9.271.1.1.3.1.2
The frequency, in seconds, the active unit specified by cl2DevMonActiveMacAddress is polled for its health.
Back to CISCO-L2-DEV-MONITORING-MIB MIB page.
IPHost Network monitor allows you to monitor cl2DevMonActivePollingFrequency on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.
