Collecting Congestion window and ssthresh traces

haifa touati haifa_t at
Sat May 24 07:28:38 PDT 2003

I want to collect tcp congestion window and threshold fluctuations, I'm using a Free BSD 4.5 machine. With sysctl command, I set the parameter "net.inet.tcp.trace_cwin" to 1 (to enable it). I wonder if there is any tool to retrieve these traces.

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