With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fcIfNxPortName
Cisco Fibre Element If Nx Port Name
1.3.6.1.4.1.9.9.289.1.1.5.1.3
The world wide name of the logged-in Nx_Port.
Back to CISCO-FC-FE-MIB MIB page.
IPHost Network monitor allows you to monitor fcIfNxPortName 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.