With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fcIfRNIDInfoEntry
Cisco Fibre Element If RNID Info Entry
1.3.6.1.4.1.9.9.289.1.1.13.1
Each entry provides node identification data of the peer. This data is got through performing request-node-identification-data(RNID) extended link service. The table would have entry for each port, identified by ifIndex, on this VSAN, identified by vsanIndex. This table would hold entries only for physical FC ports, FC port channel ports and FCIP ports.
Back to CISCO-FC-FE-MIB MIB page.
IPHost Network monitor allows you to monitor fcIfRNIDInfoEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.