With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cldFailoverUnitStatus
cld Failover Unit Status
1.3.6.1.4.1.9.9.99.1.3.4
The unit's failover activity; active or standby.
Back to CISCO-LOCAL-DIRECTOR-MIB----B MIB page.
IPHost Network monitor allows you to monitor cldFailoverUnitStatus on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.
