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Posted: 4/23/2014 10:58:18 AM EDT
netsh int tcp set global timestamps=enabled

Whats that do?  Corp spying?  lol
Link Posted: 4/23/2014 11:03:22 AM EDT
[#1]
It appears to improve bandwidth calculation to allow for better transfer of large files.



In order to improve the accuracy of the bandwidth calculation TCP can use Timestamps attached to packages. I have used telnet on the med500 and found that it also has timestamps enabled. You do this using the following command:-

cat /proc/sys/net/ipv4/tcp_timestamps, and get the return 1.

So i have enabled timstamps on my PC using the following command:-

netsh int tcp set global timestamps=enabled

This seems to keep the bandwidth more stable. It may seem counter intuitive to improve thoughput by adding administrative overhead but it appears to work.


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Link Posted: 4/23/2014 6:00:30 PM EDT
[#2]
TCP timestamps will not improve or change anything related to the performance of TCP sessions.  TCP timestamp is used for applications and/or network monitoring tool to capture round trip time...latency.   This option puts 10B (I think) in the TCP header set by the host.
Link Posted: 4/24/2014 9:01:28 PM EDT
[#3]
Quoted:
netsh int tcp set global timestamps=enabled

Whats that do?  Corp spying?  lol
View Quote


The real question should be "Why didn't they make this change on my machine without me knowing?".
Link Posted: 4/24/2014 9:35:59 PM EDT
[#4]
It's obviously an attempt to out you as a 'l33t hack3r', since you know how to get to a command prompt.
Hide you dag!
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