With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fcIfBBCreditTransistionFromZero
Cisco Fibre Element If BB Credit Transistion From Zero
1.3.6.1.4.1.9.9.289.1.2.1.1.28
The number of transitions of BB credit out of zero state.
Back to CISCO-FC-FE-MIB MIB page.
IPHost Network monitor allows you to monitor fcIfBBCreditTransistionFromZero on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco wireless switches right now.