With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ceDiagEventGroup
Cisco Entity Diagnostics Event Group
1.3.6.1.4.1.9.9.350.2.2.9
A collection of managed objects that describe online diagnostic event history.
Back to CISCO-ENTITY-DIAG-MIB MIB page.
IPHost Network monitor allows you to monitor ceDiagEventGroup 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.