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Ethernet MTU



>

Has anyone used jumbo packets (MTU of ~9000) with the RTEMS networking  
stack? I have a working gigabit network stack up on the PPC405EXr, but  
I'm not seeing more than 17Mbytes a second throughput. I understand  
that using a larger MTU would make quite a difference, but its not  
clear to me how to reconfigure the interface to do it. I can get the  
necessary information out of the PHY without any trouble, the question  
is what to do when it says it has made a gigabit connection...

Thanks for any comments,

---
Wi not trei a holiday in Sweden this yer?

Michael Hamel
ADInstruments Ltd, Dunedin, NZ