With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
slbEntity
slb Entity
1.3.6.1.4.1.9.9.161.1.1.1.1.1
The SLB instance reference number for this server. This allows multiple SLB's to exist on the same SNMP system. This object's value generally corresponds to the slot number where the module resides.
Back to CISCO-SLB-MIB MIB page.
IPHost Network monitor allows you to monitor slbEntity on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.