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Francisco Maestri Trindade | 5 May 2004 22:29
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Spanning Tree Source Code


 Hi ,

 Im new in this list, and Im trying to find a Spanning Tree source code, the 
kind that runs in bridges and switches.
 Does anybody know wher I can find it? Any help would be appreciated.

 Thanks,
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fmtrindade <at> inf.ufrgs.br


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Ali Bahar | 5 May 2004 23:14

Re: Spanning Tree Source Code

On Wed, May 05, 2004 at 05:29:10PM -0300, Francisco Maestri Trindade wrote:
> 
>  Hi ,
> 
>  Im new in this list, and Im trying to find a Spanning Tree source code, the 
> kind that runs in bridges and switches.
>  Does anybody know wher I can find it? Any help would be appreciated.

Recent Linux kernels have this incorporated. Eg in 2.4.20 you'll find
it in ./net/bridge/br_stp.c .
It's GPLed, of course.

later,
ali
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Sttf | 8 May 2004 22:32

Bridge question (VPN related)

Hello everybody. I'll try to explain my problem the best i can.
 
After setting up the tunnel between a simple win xp station and a bridged linux box (only with the eth0 and the tap bridged), sending also either the vpn data and the normal data over the same ethernet, can i set an internal tap IP in the linux bridged station in order to receive tunneled data for itself?
 
If not, the XP station will never be able to send tunneled data to the Linux one. Can you understand me?
 
I'm really stressed about the issue, i've tried everything in the route table, adding the remote (XP) subnet mask in a new virtual interface (ifconfig eth0 add MyVirtual [since you can not set any IP to the tap one]) as a new route with the tap interface as gateway (rather than the br0/eth0). Didn't work. Which do you think that is the problem?
 
Can't i actually add another 'virtual' interface only for having the supposed to have TAP IP in this other interface, just like a trick, and to really use the tap one as gateway to send and receive tunneled data? I gues that not, because that interface will be not bridged, and then will be not able to send the traffic across the TAP one..?
 
Thanks
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Ali Bahar | 9 May 2004 05:23

Re: RSTP Implementarion for Linux


I saw something on freshmeat.net a while ago.
AFAIK there is nothing in the linux kernel.

On Fri, May 07, 2004 at 03:01:48PM -0300, Francisco Maestri Trindade wrote:

>  Does anybody know if there is a implementation of the RSTP (Rapid Spanning 
> Tree Protocol) for Linux, and where I could find it?
>  Any help would be appreciated.

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Michael Renzmann | 10 May 2004 07:45
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Re: RSTP Implementarion for Linux

Hi.

Ali Bahar wrote:
>> Does anybody know if there is a implementation of the RSTP (Rapid 
>> Spanning Tree Protocol) for Linux, and where I could find it? Any
>> help would be appreciated.
> I saw something on freshmeat.net a while ago. AFAIK there is nothing
> in the linux kernel.

Freshmeat doesn't give any results when searching for "rstp", but sf.net
has the following project listed:

http://rstplib.sourceforge.net/

=== cut ===
The Rapid Spanning Tree Library project contains a full implementation
of IEEE 802.1w as an library with API. There is two processes, using this
library: 'bridge' & 'mngr'. First simulates RSTP bridge behavior, second
is dedicated to link/unlink 'bridges' into virtual RSTP domain (VRSTPD).
Both 'bridge' & 'mngr' has its own simple CLI like language of commands;
these commands allow to manage the VRSTPD. There are tools to trace
state machine transitions and get traps about drastic changes.

Purpose: studying, debugging, development.

The library may be used in real bridges/routers while bounding to a real
system depending environment.
=== cut ===

hth.

Bye, Mike

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Ali Bahar | 10 May 2004 18:21

Re: RSTP Implementarion for Linux


You're right. that's the one.
thanks,
ali

On Mon, May 10, 2004 at 07:45:01AM +0200, Michael Renzmann wrote:
> Ali Bahar wrote:
> >>Does anybody know if there is a implementation of the RSTP (Rapid 

> >I saw something on freshmeat.net a while ago. AFAIK there is nothing

> Freshmeat doesn't give any results when searching for "rstp", but sf.net
> has the following project listed:
> 
> http://rstplib.sourceforge.net/

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Joanne Ooi | 10 May 2004 17:59
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bridge between wireless and ethernet card?


Hi, now i am using cqureap doing the project, i know the cqureap 2.5 is 
build on bridge utils, so i want to check with you guys, it's that possible 
to bridge between eth0 with the wlan0? Now, i got three computers, one i 
used it as a bridge, it contains two network cards one is wireless card and 
another one is ethernet card. So, i read through the documentation you all 
provided, i am curious to know how to configure between ethernet and 
wireless card. thanks for willing to help.

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Francisco Maestri Trindade | 10 May 2004 21:03
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Bridge Source Code


 Hi,

 Im trying to find the bridge source code in my kernel implementation. 
Im running a SUSE Linux kernek 2.4.21-99-default, and I couldnt file the codes 
I wanted. Maybe I havent installed it correctly, but I dont know then what 
should I install to have the source codes in my computer.
 Any help would be appreciated.

Thanks
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Stephen Hemminger | 10 May 2004 22:04
X-Face

Re: Bridge Source Code

On Mon, 10 May 2004 16:03:38 -0300
Francisco Maestri Trindade <fmtrindade <at> inf.ufrgs.br> wrote:

> 
> 
>  Hi,
> 
>  Im trying to find the bridge source code in my kernel implementation. 
> Im running a SUSE Linux kernek 2.4.21-99-default, and I couldnt file the codes 
> I wanted. Maybe I havent installed it correctly, but I dont know then what 
> should I install to have the source codes in my computer.
>  Any help would be appreciated.

/usr/src/linux-2.4.21-*/net/bridge/

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Gmane