From: Hans de Bruin <jmdebruin@xmsnet.nl>
To: James Harper <james.harper@bendigoit.com.au>
Cc: xen-devel@lists.xensource.com
Subject: Re: Limits on mtu size ?
Date: Sat, 08 Oct 2011 08:39:33 +0200 [thread overview]
Message-ID: <4E8FF025.6090807@xmsnet.nl> (raw)
In-Reply-To: <AEC6C66638C05B468B556EA548C1A77D01E5E424@trantor>
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
prev parent reply other threads:[~2011-10-08 6:39 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-07 18:05 Limits on mtu size ? Hans de Bruin
2011-10-07 22:29 ` James Harper
2011-10-08 6:39 ` Hans de Bruin [this message]
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