With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
dmAssignedFcIds
Cisco Domain Management Assigned Fibre Channel Ids
1.3.6.1.4.1.9.9.302.1.1.1.1.15
The number of FC IDs that are assigned on this VSAN.
Back to CISCO-DM-MIB MIB page.
IPHost Network monitor allows you to monitor dmAssignedFcIds on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.
