From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Fri, 10 Nov 2006 14:33:38 -0800
From: Stephen Hemminger <shemminger@osdl.org>
Message-ID: <20061110143338.446d5b91@freekitty>
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Subject: Re: [Bridge] bridge - canopy - cisco catalyst 2950
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To: "Alonso Enero V." <alonso.enero@gmail.com>
Cc: bridge@lists.osdl.org, bridge@siennax.com

On Fri, 10 Nov 2006 18:54:49 -0300
"Alonso Enero V." <alonso.enero@gmail.com> wrote:

> Hi Friends!
> 
>  

>          
> 
>          Everything works ok in a laboratory environment, without the Cisco
> Catalyst switch, but when link the #1 bridge to the Cisco Catalyst
> respective port (the one with the needed VLAN), starts a horrible loop in
> our LAN. I think something happens inside the Cisco switch that difficult
> the STP traffic between the #1 bridge and out site 3. I heard of something
> called bdpufilter, which is not set in out Catalyst switch, said our ISP. I
> read a page were you give some suggestions of tweak the Linux Kernel that I
> did (http://lists.osdl.org/pipermail/bridge/2005-October/001116.html), but
> still didn't tested, until have a clear idea of what happens inside the
> Cisco switch.
> 
>  
Did you enable STP, it is off by default?


The version of Spanning Tree Protocol in Linux doesn't know about VLAN's,
so that might be related.


-- 
Stephen Hemminger <shemminger@osdl.org>