With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fcIfTxWtAvgBBCreditTransitionToZero
Cisco Fibre Element If Tx Wt Average BB Credit Transition To Zero
1.3.6.1.4.1.9.9.289.1.2.1.1.38
The number of times average buffer-to-buffer credits at an FC-port has transitioned to zero.
Back to CISCO-FC-FE-MIB MIB page.
IPHost Network monitor allows you to monitor fcIfTxWtAvgBBCreditTransitionToZero on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.