With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cftIfTcpRxDataAfterWindowOctets
Cisco Fiber Channel Tunnel If Tcp Rx Data After Window Octets
1.3.6.1.4.1.9.9.9999.1.1.5.1.25
Number of TCP octets with data received after window.
Back to CISCO-FC-TUNNEL-MIB MIB page.
IPHost Network monitor allows you to monitor cftIfTcpRxDataAfterWindowOctets 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.