With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
slbConnectionRealIpAddr
slb Connection Real Ip Address
1.3.6.1.4.1.9.9.161.1.5.1.1.8
The IP Address of the real server to which this client is being load-balanced.
Back to CISCO-SLB-MIB MIB page.
IPHost Network monitor allows you to monitor slbConnectionRealIpAddr on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.