With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cslbxHttpReturnCodeEntry
Cisco Server Load Balancing Http Return Code Entry
1.3.6.1.4.1.9.9.254.1.5.3.1
Information about the particular action rule in a particular map of type 'returnCodeMap' dealing with a particular range of HTTP return codes, served by a particular local SLB entity.
Back to CISCO-SLB-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cslbxHttpReturnCodeEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco multiplexers right now.