With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmNoCarriers
cm No Carriers
1.3.6.1.4.1.9.9.47.1.3.3.1.13
A counter that indicates the number of times that the disconnect reason is no carrier. This object is valid only for modems which have cmManageable to be true.
Back to CISCO-MODEM-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor cmNoCarriers 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.
