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64 views

Throughput decreases after MTU 5000

I am trying to test throughput between two computers directly connected through 1 GbE and testing with iperf. I am getting a throughput around 980Mbps when MTU is between 5000 and 5050, however it ...
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1answer
993 views

OS X Failure in Path Maximum Transmission Unit (PMTU) Black Hole Router Detection

This all started when I was trying to download a podcast on my Mac. This happens in both Snow Leopard and Lion when the Ethernet interface is set to use Jumbo Frames. prompt> curl -v -o x.mpg ...