With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cds3SEFSPrevious24Hr
Cisco DS3 SEFS Previous24 Hour
1.3.6.1.4.1.9.9.132.1.3.6.1.6
The number of SEFSs encountered by the line in the start of the current 24 hour period.
Back to CISCO-DS3-MIB MIB page.
IPHost Network monitor allows you to monitor cds3SEFSPrevious24Hr 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.