With IPHost Network Monitor you can run simple snmp requests against a F5 Network device in your network.
uptime
uptime
1.3.6.1.4.1.3375.1.1.50
The uptime of this device -- not the uptime of the SNMP agent.
Back to LOAD-BAL-SYSTEM-MIB MIB page.
IPHost Network monitor allows you to monitor uptime 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 routers right now.