With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
slbVirtualServerTable
slb Virtual Server Table
1.3.6.1.4.1.9.9.161.1.4.1
Table of virtual servers. Columnar objects can be modified when the row is 'active'. Rows can be created and destroyed. Entries are added to this table via slbVirtualRowStatus in accordance with the RowStatus convention.
Back to CISCO-SLB-MIB MIB page.
IPHost Network monitor allows you to monitor slbVirtualServerTable 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.