With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoBfdSessRemoteHeardFlag
cisco Bidirectional Forwarding Detection Session Remote Heard Flag
1.3.6.1.4.1.9.10.137.1.2.1.7
This object specifies status of BFD packet reception from the remote system. Specifically, it is set to true(1) if the local system is actively receiving BFD packets from the remote system, and is set to false(0) if the local system has not received BFD packets recently (within the detection time) or if the local system is attempting to tear down the BFD session.
Back to CISCO-IETF-BFD-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoBfdSessRemoteHeardFlag 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.
