With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fcIfCapRxDataFieldSizeMax
Cisco Fibre Element If Capability Rx Data Field Size Max
1.3.6.1.4.1.9.9.289.1.1.7.1.5
The maximum size in bytes of the Data Field in a frame that the FC-Port is capable of receiving from its attached FC-port.
Back to CISCO-FC-FE-MIB MIB page.
IPHost Network monitor allows you to monitor fcIfCapRxDataFieldSizeMax 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.