From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jeff Largent <jlargent@imagelinks.com>
Subject: Re: Channel Bonding
Date: Fri, 29 Aug 2003 08:21:43 -0400
Sender: linux-admin-owner@vger.kernel.org
Message-ID: <3F4F4557.3040800@imagelinks.com>
References: <3F4EA46D.6020102@geekz.za.net>
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To: Ross Clarke <encrypted@geekz.za.net>
Cc: linux-admin <linux-admin@vger.kernel.org>

This may be a result of your switch.
Some switches cannot handle multiple instaces of the same
mac address.  If your switch is capable of creating vlans,
create 2 vlans and put one of the nics on each channel.

My standard bond configuration looks like this using redhat:
in /etc/modules.conf
alias eth0 3c59x
alias eth1 3c59x
alias bond0 bonding

/etc/sysconfig/network-scripts/ifcfg-bond0
DEVICE=bond0
ONBOOT=yes
BOOTPROTO=static
IPADDR=192.168.1.11
NETMASK=255.255.255.0
GATEWAY=192.168.1.1

/etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
USERCTL=no
ONBOOT=yes
MASTER=bond0
SLAVE=yes
BOOTPROTO=none

/etc/sysconfig/network-scripts/ifcfg-eth1
DEVICE=eth1
USERCTL=no
ONBOOT=yes
MASTER=bond0
SLAVE=yes
BOOTPROTO=none


Hope this helps.


Ross Clarke wrote:
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> Hi,
> 
> I am currently trying to get channel bonding working on two of my linux 
> machines using a standard 100mbit CNET switch. I first started with my 
> desktop which runs 2.6.0-test4, I managed to get everything working 
> using 2 NICS (1x 3com 905b and 1x RT8139c). Everything worked 100%. I 
> then done the exact same setup on my ftp server which uses 2 tulip based 
> network cards and kernel 2.4.20 with the gentoo linux patches, however 
> when I ping the ftp server I get a duplicate on every packet, rendering 
> the box useless. I then upgraded the ftp server to 2.6.0-test4 and 
> recieved the exact same result. Is there something im missing, is it 
> perhaps a NIC problem? I would really like to get this working. Does 
> anybody have some tips or experiences they could share?
> 
> Thanks,
> Ross
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> 
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-- 
Jeff Largent                   ImageLinks, Inc.