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Date: Tue, 4 Sep 2007 15:07:26 +0300
From: "Dmytro O. Redchuk" <dor@ldc.net>
To: ALT Linux Sisyphus discussion list <sisyphus@lists.altlinux.org>
Message-ID: <20070904120726.GA28286@ldc.net>
References: <20070823123415.GG10346@ldc.net> <200709041605.12507.a_s_y@sama.ru>
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Subject: Re: [sisyphus] Server 4.0.1: vconfig and REORDER_HDR
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On Tue, Sep 04, 2007 at 04:05:12PM +0500, Sergey wrote:
> On Thursday 23 August 2007, Dmytro O. Redchuk wrote:
> 
> >    Уже, кажись, говорили об этом, но я, чё-то, подзабыл, чем закончилось.
> 
> Речь про это ?
> 
>   set_flag [vlan-device] 0 | 1
>        When  1,  ethernet  header reorders are turned on. Dumping the device will appear as
>        a common ethernet device without vlans. When 0(default) however, ethernet headers are 
>        not reordered,  which  results  in vlan  tagged  packets  when dumping the device. 
>        Usually the default gives no problems, but some packet filtering programs might have 
>        problems with it.
Да, про это:

* FLAGS:  1 REORDER_HDR  When this is set, the VLAN device will move the
            ethernet header around to make it look exactly like a real
            ethernet device.  This may help programs such as DHCPd which
            read the raw ethernet packet and make assumptions about the
            location of bytes.  If you don't need it, don't turn it on, because
            there will be at least a small performance degradation.  Default
            is OFF.

> 
> Настораживает вторая часть последнего предложения...
Ммм.. Есть основания?

А в мной процитированном -- предпоследнее предложение не греет совсем?-)

> 
> -- 
> С уважением, Сергей
> a_s_y@sama.ru

-- 
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        `    G.m-"^m`m'        Dmytro O. Redchuk