With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fcNameServerRejects
fc Name Server Rejects
1.3.6.1.4.1.9.9.293.1.2.2.1.7
The total number of requests rejected by the local switch on this VSAN.
Back to CISCO-NS-MIB MIB page.
IPHost Network monitor allows you to monitor fcNameServerRejects 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.