Steve Kuekes wrote: > Thanks for the suggestion, but I don't think its disk I/O. The server > is an Athlon 2400+ with pretty fast SATA disks. I can locally copy a > ~700 mb iso is about 15 seconds from one file to another on the disk.
Does the other end have a slow CPU? I am not sure how slow it would have to be to encrypt at only 170K/sec and decrypt at 500K/sec, however... IIRC, my 933 Mhz Crusoe laptop can do blowfish at only about 2 MB/sec, the default cipher is even worse. If that isn't the case, you may have a bad hub, wiring, or NIC :p. I would try the easy things first... Move ports around, that sort of thing. You have a 10/100 hub, not a switch right?. Are any of the machines 10 megabit? Different hubs work differently. If you have a low enough end hub with a 10 megabit device plugged in, it could be dragging all the other ports down with it. If that is the case, I wouldn't be terribly surprised if 500 KB/sec is your limit, since the hub would be half duplex. Someone else mentioned checking for collisions. If you have a high collision rate you might want to upgrade to a switch, they are pretty darn cheap these days. Someone else mentioned using mii-tool to check the speed/duplex of each end. If you really do have a hub and not a switch all the machines should be set to half duplex. Pat
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