full duplex and mtu question

Matthew Miller mattdm at mattdm.org
Sat Jun 30 02:21:04 UTC 2007

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


>   where the file should I set it in boot time?


>   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 at mattdm.org          <http://mattdm.org/>
Boston University Linux      ------>              <http://linux.bu.edu/>

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