With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cesRserverProbeLastFailedTime
Cisco Enhanced SLB Real Server Probe Last Failed Time
1.3.6.1.4.1.9.9.470.1.1.2.1.9
This object indicates the last date and time that the probe's state transitioned to 'failed'
Back to CISCO-ENHANCED-SLB-MIB MIB page.
IPHost Network monitor allows you to monitor cesRserverProbeLastFailedTime 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.