With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dmMaxFcIdCacheSize
Cisco Domain Management Max Fibre Channel Id Cache Size
1.3.6.1.4.1.9.9.302.1.2.3
The maximum number of FC IDs that can be cached in the dmFcIdCacheTable.
Back to CISCO-DM-MIB MIB page.
IPHost Network monitor allows you to monitor dmMaxFcIdCacheSize on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.