netdev - Re: Wrong padding of short packets send by a tagged-vlan interface?

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Date:	Mon, 07 Jul 2008 14:06:23 -0700
From:	Ben Greear <greearb@...delatech.com>
To:	Krzysztof Oledzki <olel@....pl>
CC:	netdev@...r.kernel.org, kaber@...sh.net
Subject: Re: Wrong padding of short packets send by a tagged-vlan interface?

Krzysztof Oledzki wrote:
> Hello,
> 
> I have a problem that I'm not able to connect from selected linux hosts 
> to a newly installed Netware 6.5 server. After two days of debugging I 
> discovered that the problem seems to be caused by an insufficient 
> padding of a .1q tagged packets.

Last time this came up I looked up the RFC and according to it
there is no need to pad beyond the normal 60 + 4, vlan tag or
not.

This is a bug in your intervening switch and/or Netware unless you actually see packets
leaving Linux with less than 60 + 4 bytes.

Thanks,
Ben

-- 
Ben Greear <greearb@...delatech.com>
Candela Technologies Inc  http://www.candelatech.com

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