With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fcFxPortNxLoginIndex
fc Fx Port Nx Login Index
1.3.6.1.2.1.75.1.2.3.1.1
The object identifies the associated NxPort in the attachment for which the entry contains information.
Back to FIBRE-CHANNEL-FE-MIB MIB page.
IPHost Network monitor allows you to monitor fcFxPortNxLoginIndex 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.