With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
rprSpanErrorStatsTooLongFrames
rpr Span Error Stats Too Long Frames
1.0.8802.17.1.1.1.5.4.1.4
The number of received (PHY to MAC) frames that exceed the maximum permitted frame size.
Back to IEEE-802DOT17-RPR-MIB MIB page.
IPHost Network monitor allows you to monitor rprSpanErrorStatsTooLongFrames on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.
