Ask Your Question

Revision history [back]

click to hide/show revision 1
initial version

Excessive TCP Dup ACK and TCP Retransmissions

I'm doing an SFTP transfer between two servers about 70ms RTT apart and seeing excessive TCP Dup ACK and TCP Retransmissions. The circuit size is 50 mbit/sec, but I'm getting a transfer speed of 500 kbit/sec or less. What could be causing this?