With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cRFHistoryCurrActiveUnitId
Cisco RF History Curr Active Unit Id
1.3.6.1.4.1.9.9.176.1.3.2.1.3
Indicates the secondary redundant unit that took over as active.
Back to CISCO-RF-MIB MIB page.
IPHost Network monitor allows you to monitor cRFHistoryCurrActiveUnitId 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.
