With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fcmISPortEntry
fcm IS Port Entry
1.3.6.1.2.1.10.56.1.8.1
Each entry contains information about a specific port connected to an inter-switch link.
Back to FC-MGMT-MIB MIB page.
IPHost Network monitor allows you to monitor fcmISPortEntry 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.