With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
lineDMTDwnSEFCount
line DMT Downstream SEF Count
1.3.6.1.4.1.9.10.26.1.4.2.1.10
Downstream count of severly errored frame (SEF) events reported by the CPE for the DMT card only. This object is instantiated for the CAP card.
Back to CISCO-C6200-MIB MIB page.
IPHost Network monitor allows you to monitor lineDMTDwnSEFCount 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.
