bonding driver

David Kostal david.kostal at gmail.com
Mon Feb 5 02:54:50 CST 2007


Hi,
I wanted to avoid modes 0,2,3 and 4, because I'll have to run this on
2-switch configuration later.

And additional info, which I forgot:
RHEL 4/x86_64, kernel-smp-2.6.9-42.0.3.EL

d.

On 2/5/07, Hansjörg Maurer <Hansjoerg.Maurer at dlr.de> wrote:
> Hi
>
> with
> options bond0 mode=4
> (LACP)
> we are able to sent 2GBit/s out through one bonding interface (to two hosts)
> This setting requires konfiguring LACP on the switch.
>
> http://linux-net.osdl.org/index.php/Bonding
>
> Greetings
>
> hansjörg
>
>
>
> David Kostal wrote:
> > Hi all,
> >
> > I have Dell PE2850 (2xcpu,8GB ram) with 4x gigabit cards (e1000) attached to
> > single Cisco 4506. I try to create bonding interfaces with 2 slaves. I try with
> > balance-alb, but similar behaviour is also with balance-tlb and balance-rr. i do
> > not have any special switch settings, there is no router in the setup involved.
> >
> > I am able to receive 2x 1Gbps streams on bond0 (balance-alb) from two
> > other hosts.
> > I am able to send 1Gbps stream to one other host via bond0.
> > I am able to send 2x 1Gbps streams to host1 via bond0 and host3 via bond1.
> > I am only able to send 2x 0.5Gbps streams to host1 and host2 via bond0 (both
> > slaves are used, each having traffic to single host, but only 0.5Gbps).
> >
> > Is there any reason why the outgoing traffic via bond0 doesn't go over 1Gbps?
> > The host utilization is well under its limits.
> >
> > Thanks a lot,
> >
> > david.kostal at gmail.com
> > ----+
> >
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> --
> _________________________________________________________________
>
> Dr.  Hansjoerg Maurer           | LAN- & System-Manager
>                                 |
> Deutsches Zentrum               | DLR Oberpfaffenhofen
>   f. Luft- und Raumfahrt e.V.   |
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> __________________________________________________________________
>
>
> There are 10 types of people in this world,
> those who understand binary and those who don't.
>


-- 
david.kostal at gmail.com
----+



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