Subject: Re: HTB accuracy on 10GbE

From: Eric Dumazet <[email-masked]>
Date: Thu, 05 Nov 2009 08:10:00 +0100

Ryousei Takano a écrit :
> In my experiment, it is not very big problem.  I do not send short packets.
> I got the almost same result in the both cases "mtu 64000" and "mtu
> 40000 quantum 60000".
> 
> Anyway, setting larger mtu size than the physical mtu does not quiet make sense.
> 

tc class mtu is a hint given to stack, about average packet size, ie not
related to physical MTU (because of TSO)

You could use same mtu, but disable tso on device