On Fri, Jun 29, 2007 at 10:05:05PM -0400, chloe K wrote: > How can I force the NIC to full duplex? ethtool -s eth0 speed 100 duplex full autoneg off Note that the switch you're connected to will also have to be forced to full duplex -- if one side is set to autonegotiate, the fallback is half duplex. > and change the mtu ifconfig > where the file should I set it in boot time? depends... > have you tried to force 10G full duplex? Wait, hold on. What hardware do you have and what are you trying to do? -- Matthew Miller mattdm@xxxxxxxxxx <http://mattdm.org/> Boston University Linux ------> <http://linux.bu.edu/>