With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cftIfTcpRxDupOctetsInPartDupPkts
Cisco Fiber Channel Tunnel If Tcp Rx Dup Octets In Part Dup Packets
1.3.6.1.4.1.9.9.9999.1.1.5.1.23
Number of duplicated TCP octets received in part of duplicated packets.
Back to CISCO-FC-TUNNEL-MIB MIB page.
IPHost Network monitor allows you to monitor cftIfTcpRxDupOctetsInPartDupPkts on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.