With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
diagResult
diag Result
1.3.6.1.4.1.351.110.6.3.2
This is used to indicate the result of the diagnostics.
Back to BASIS-ONLINE-DIAG-MIB MIB page.
IPHost Network monitor allows you to monitor diagResult 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.