With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
fcPingPayloadSize
Cisco Fibre Channel Ping Payload Size
1.3.6.1.4.1.9.9.295.1.1.1.1.6
This object specifies the size of the ping packet payload to be sent to the target in this sequence. This object cannot be modified if the corresponding instance of fcPingOperStatus object has a value of 'inProgress'.
Back to CISCO-FCPING-MIB MIB page.
IPHost Network monitor allows you to monitor fcPingPayloadSize 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.