With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
slbRealTableEntry
slb Real Table Entry
1.3.6.1.4.1.9.9.161.1.3.1.1
Information about a particular real server in a particular server farm, served by a particular local SLB entity.
Back to CISCO-SLB-MIB MIB page.
IPHost Network monitor allows you to monitor slbRealTableEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.