With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cptPortTrackLinkedPort
cpt Port Track Linked Port
1.3.6.1.4.1.9.9.437.1.1.1.1.1
The ifIndex of the port that will be tracking the cptPortTrackTrackedPort.
Back to CISCO-PORT-TRACK-MIB MIB page.
IPHost Network monitor allows you to monitor cptPortTrackLinkedPort on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.