With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
portStatsPktsTxOversizeOctets
port Statistics Packets Tx Oversize Octets
1.3.6.1.4.1.173.7.8.1.3.1.30
The total number of packets (including bad packets) transmitted that were more than 1530 octets in length. (excluding framing bits but including FCS octets).
Back to AIRESPACE-SWITCHING-MIB MIB page.
IPHost Network monitor allows you to monitor portStatsPktsTxOversizeOctets 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.