Why iperf dual traffic in 100Mbps envrionment is much less than 100M?
2014-03-10 22:03
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http://archive.ncsa.illinois.edu/lists/iperf-users/apr06/msg00011.html
http://archive.ncsa.illinois.edu/lists/iperf-users/apr06/msg00012.html
I cant be sure, but that sounds like you might be seeing what is called a "send stall", you are over-running the NIC queue. Try this (assuming you are usign eth0):
ifconfig eth0 txqueuelen 5000
and see if that makes any difference.
http://archive.ncsa.illinois.edu/lists/iperf-users/apr06/msg00012.html
I cant be sure, but that sounds like you might be seeing what is called a "send stall", you are over-running the NIC queue. Try this (assuming you are usign eth0):
ifconfig eth0 txqueuelen 5000
and see if that makes any difference.
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