With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cftIfTcpRetxSackFackTimeouts
Cisco Fiber Channel Tunnel If Tcp Retx Sack Fack Timeouts
1.3.6.1.4.1.9.9.9999.1.1.5.1.39
Number of TCP timeouts re-sent with SACK option on.
Back to CISCO-FC-TUNNEL-MIB MIB page.
IPHost Network monitor allows you to monitor cftIfTcpRetxSackFackTimeouts on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.
