With IPHost Network Monitor you can run simple snmp requests against a Dell device in your network.
fcConfigNodeNumNPorts
Fibre Channel Config Node Num N Ports
1.3.6.1.4.1.2512.1.1.2
Number of N_Ports that comprise the named Node.
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IPHost Network monitor allows you to monitor fcConfigNodeNumNPorts on Dell device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Dell tablets right now.