Subject: Re: Fw: [Bugme-new] [Bug 6495] New: Vlan MTU Fragmentation

From: Ben Greear <[email-masked]>
Date: Fri, 05 May 2006 08:57:06 -0700

Andrew Morton wrote:
> 
> Begin forwarded message:
> 
> Date: Thu, 4 May 2006 23:15:56 -0700
> From: [email-masked]
> To: [email-masked]
> Subject: [Bugme-new] [Bug 6495] New: Vlan MTU Fragmentation
> 
> 
> http://bugzilla.kernel.org/show_bug.cgi?id=6495
> 
>            Summary: Vlan MTU Fragmentation
>     Kernel Version: 2.6.16.12
>             Status: NEW
>           Severity: normal
>              Owner: [email-masked]
>          Submitter: [email-masked]
> 
> 
> Steps to reproduce:
> 
> ifconfing eth0 mtu 1500
> ifconfing eth0.100 mtu 1500
> 
> ping www.ru -s 2000
> -- BAD --
> 
> ----------------
> 
> ifconfing eth0 mtu 1500
> ifconfing eth0.100 mtu 1496
> 
> ping www.ru -s 2000
> --NORMAL--

This is almost definately a bug in the ethernet driver.  The driver needs
to be modified so that it can send/receive pkts that are MTU + 4 bytes for the
VLAN header.

We need to know what NIC/driver this user is using...

Ben

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-- 
Ben Greear <[email-masked]>
Candela Technologies Inc  http://www.candelatech.com