Re: [Xen-devel] Limits on mtu size ?

[Hans de Bruin <jmdebruin@xxxxxxxxx>]

On 10/08/2011 12:29 AM, James Harper wrote:
>>
>> Network performance on fast physical networks usually increase by
>> switching to larger packet sizes. So I decided to increase the mtu on
...
> Dom0 feels sluggish.

This was a wrong  dns setting.

 So 16436 is to big and 9000
> is not?
>>
>> I have attached the complaints of darkstar. Its running out of kernel
>> memory?
>>
>
> If all the hosts are Linux and GSO is enabled, the machines should be
> exchanging 64K packets anyway, regardless of MTU.
>

I should have read this http://lwn.net/Articles/188489/

--
Hans

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