With IPHost Network Monitor you can run simple snmp requests against a F5 Network device in your network.
globalRTTProbeDynamic
global RTT Probe Dynamic
1.3.6.1.4.1.3375.1.2.1.1.1.42
Indicates whether the load-balancing DNS server attempts a second probe using the alternate probe protocol if the probe protocol specified by globalRTTProbeProtocol fails during the first probe.
Back to F5-3DNS-MIB MIB page.
IPHost Network monitor allows you to monitor globalRTTProbeDynamic on F5 Network device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring F5 Network switches right now.