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Re: Implementing 802.3ad-2000 link aggregation under Linux

To: Ben Greear <greearb@xxxxxxxxxxxxxxx>
Subject: Re: Implementing 802.3ad-2000 link aggregation under Linux
From: Donald Becker <becker@xxxxxxxxx>
Date: Fri, 25 Aug 2000 00:16:31 -0400 (EDT)
Cc: Andi Kleen <ak@xxxxxx>, Nick Towers <ncet@xxxxxxxxxxxx>, netdev@xxxxxxxxxxx
In-reply-to: <39A5E0D1.A1994489@candelatech.com>
Sender: owner-netdev@xxxxxxxxxxx
On Thu, 24 Aug 2000, Ben Greear wrote:

> Subject: Re: Implementing 802.3ad-2000 link aggregation under Linux
> Andi Kleen wrote:
> > On Thu, Aug 24, 2000 at 07:43:29PM +0200, Nick Towers wrote:
> > > I am looking at starting a project to implment 802.3ad ethernet link
> > > aggregation under Linux. For those of you that have never heard of it
> > > I've given a description and a few pointers at the end. Before I
> > > launch into it I was wondering if there is anyone else out there who
> > I started work some time ago. It is basically an user space problem.
> 
> How would it be user-space?  Doesn't it aggregate several physical
> layers together into one interface?  That seems like a kernel
> level thing to me....

802.3ad is not just channel bonding (the kernel-level mechanism), it also
including sending packets down each link to detect topology and verify that
the connection continues to work.

Donald Becker                           becker@xxxxxxxxx
Scyld Computing Corporation             http://www.scyld.com
410 Severn Ave. Suite 210               Beowulf-II Cluster Distribution
Annapolis MD 21403


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