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Re: [Xen-users] vlans+bonding+bridging

To: Martin Hierling <martin@xxxxxxxxx>
Subject: Re: [Xen-users] vlans+bonding+bridging
From: Longina Przybyszewska <longina@xxxxxxxxxxxx>
Date: Wed, 16 Jul 2008 17:21:38 +0200 (CEST)
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Thanks for immediate help !:-)

Yes, it is Cisco switch - I have not access to it - have to ask network people to check configuration.

I have got another basic problem:
this is PE2950 with 6 NICs, but I would like to bind together 2 Broadcom cards eth4+eth5--->bond0.

1. they are bound together in a way - because I can set up IP address only for one card. If both cards get IP I'm loosing networking.

2. if I try to run (only eth5 is configured on boot)
mii-tools -v
I get :
SIOCGMIIPHY on 'eth4' failed: Resource temporarily unavailable
SIOCGMIIPHY on 'eth5' failed: Operation not supported

Both cards are on the same switch, only eth5 is configured on boot
(/etc/networking/interfaces - as I run Ubuntu Hardy)

Could it be TOE issue (TCP/IP offload engine jumper set op in BIOS)?

Thanks in advance

On Wed, 16 Jul 2008, Martin Hierling wrote:


I would like to enslave 2 NICs via bond interface.
Both NICs are on trunk ports which are configured in the same way, the
same native vlan.

Sounds like Cisco ;)

if it is so you have to configure static portchannel on cisco site.


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Longina Przybyszewska, system programmer

IMADA, Department of Mathematics and Computer Science

University of Southern Denmark, Odense
Campusvej 55,DK-5230 Odense M, Denmark

tel: +45 6550 2359 - http://www.imada.sdu.dk
email: longina@xxxxxxxxxxxx

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