With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
slbConnectionServerPort
slb Connection Server Port
1.3.6.1.4.1.9.9.161.1.5.1.1.9
The port number at 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 slbConnectionServerPort 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.