full duplex and mtu question

[chloe K]

Matthew Miller <mattdm at mattdm.org> wrote:    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.

  Chloe] how can I put it in boot time? ls it in rc.local ?
   
   
   
  
> and change the mtu

ifconfig

   
  chloe] Do you know whether there is any network issue if we don't change MTU as same as our provider? eg: our upstream provider router is using mtu 1600 but our end is 1500. 
  
> where the file should I set it in boot time?

depends...

  chloe] can you give me example?
  
> have you tried to force 10G full duplex?

Wait, hold on. What hardware do you have and what are you trying to do?

  chloe] I will use the fedora as router. the NIC is "myrim 10G network card"
   
   
  Thank you for your help

-- 
Matthew Miller mattdm at mattdm.org 
Boston University Linux ------> 

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