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Re: Re: [PATCHSET] 2.6.20-lxc8 [message #11383 is a reply to message #11380]

Thu, 22 March 2007 12:19

ebiederm
Messages: 1354
Registered: February 2006

Senior Member

"Denis V. Lunev" <den@sw.ru> writes:

> Kirill Korotaev wrote:
>>
>> if network device inside container has MTU higher then eth0 outside the
> container,
>> then packets will get fragmented.
>> First time to MTU1 inside container and refragmented to MTU2
>> outside the container. At least this is the reason we use ethernet MTU
>> on venet devices in OpenVZ - to avoid framentation.
>
> frankly speaking, there are another points, which can call to
> pskb_expand_head. Hard header size on container network device should be
> the same as on real one.

I believe it is the case that I have a 1500 byte mtu with an ethernet header.
Although it may be I didn't reserve extra hard header space or something like
that.

Eric

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[Message index]

		Re: Re: [PATCHSET] 2.6.20-lxc8 By: den on Thu, 22 March 2007 10:45
		Re: Re: [PATCHSET] 2.6.20-lxc8 By: ebiederm on Thu, 22 March 2007 12:19
		Re: Re: [PATCHSET] 2.6.20-lxc8 By: Benjamin Thery on Thu, 22 March 2007 17:57

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