Hi, I got an old 10/100 switch with some new cables.
When I transfer using cross cable the speed is normal (1.5 mbps and up). When I use the switch with two 5mr cables the speeds are around 150-300 kbps: rsync/ssh/scp 250-300. smb 150-200 kbps. doing some tcpdump I noticed ACK retransmit around 3%. I've Changed the cables. iptables is not running. I'm pretty sure I'm missing something very basic. The machines : Lenny i386 (2.6.26) and squeeze on amd64 (2.6.32) I ditched the custom kernels and installed only what was in the reps.
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