With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
mfrBundleLinkTimerExpiredCount
mfr Bundle Link Timer Expired Count
1.3.6.1.2.1.10.47.3.1.1.11
Number of times the T_HELLO or T_ACK timers expired.
Back to FR-MFR-MIB MIB page.
IPHost Network monitor allows you to monitor mfrBundleLinkTimerExpiredCount 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.