With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dsx1CurrentSEFSs
dsx1 Current SEF Ss
1.3.6.1.2.1.10.18.7.1.4
The number of Severely Errored Framing Seconds.
Back to DS1-MIB MIB page.
IPHost Network monitor allows you to monitor dsx1CurrentSEFSs on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.