With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cghMonKalDestPort
Cisco GSLB Health Monitor Keepalive Destination Port
1.3.6.1.4.1.9.9.600.1.4.1.1.11
This object specifies the port on the remote device that is to receive the TCP/HTTPHEAD keepalive probe from the GSLB device. The default value for this object is got from cghMonKalParameterDestPort in the default properties table (cghMonKalParameterTable).
Back to CISCO-GSLB-HEALTH-MON-MIB MIB page.
IPHost Network monitor allows you to monitor cghMonKalDestPort 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.