With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
csiSessionType
csi Session Type
1.3.6.1.4.1.9.9.378.1.1.2.1.2
The type of the N-port for this session.
Back to CISCO-SVC-INTERFACE-MIB MIB page.
IPHost Network monitor allows you to monitor csiSessionType 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.