With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cesRserverProbeLastProbeTime
Cisco Enhanced SLB Real Server Probe Last Probe Time
1.3.6.1.4.1.9.9.470.1.1.2.1.7
This object indicates the date and time of the last probe.
Back to CISCO-ENHANCED-SLB-MIB MIB page.
IPHost Network monitor allows you to monitor cesRserverProbeLastProbeTime 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.