With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cshMonServerfarmRealProbeLastFailedTime
csh Monitoring Serverfarm Real Probe Last Failed Time
1.3.6.1.4.1.9.9.508.1.1.3.1.9
This object indicates the last date and time that the probes's state transitioned to 'failed'.
Back to CISCO-SLB-HEALTH-MON-MIB MIB page.
IPHost Network monitor allows you to monitor cshMonServerfarmRealProbeLastFailedTime 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.