Debian Etch and ESXi slow network speeds

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http://serverfault.com – I have 2 etch virtual machines. One's a clean Etch r9, the other is one of our server builds. On EtchR9 network speeds are 1Gbps. But on our server build we are only getting a max of 100Mbps, both network connections show they are connected at the same speed, same driver, same kernel. I can test the speeds doing (ignore the ETA): On the clean etch: dd if=/dev/zero of=/tmp/zero.tmp bs=1M count=100; scp /tmp/zero.tmp fastserver:/tmp Result I get is: zero.tmp 100% 100MB 25.0MB/s 00:04 Which is fine, the network is being used but it shows the from my ESXi machine to anoth (HowTos)