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RE: [Xen-users] Dummy ethernet device setup

From: "John Cianfarani" <jcianfarani@xxxxxxxxxx>

Date: Mon, 13 Mar 2006 11:24:21 -0500

Cc: "Philipp JÃggi" <philipp.jaggi@xxxxxxx>

Delivery-date: Mon, 13 Mar 2006 16:27:10 +0000

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Thread-topic: [Xen-users] Dummy ethernet device setup

Never tried it but could you do it with bridges?

You can add the ip to the xenbr1 with

brctl addbr xenbr1

ifconfig xenbr1 192.168.10.1 netmask 255.255.255.0 up

John

From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of "Philipp JÃggi"
Sent: Monday, March 13, 2006 4:09 AM
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Dummy ethernet device setup

Hello you all out there

Does anybody know the definite guide to create a dummy ethernet device?

So, what I want to have is an ethernet device, without a physical link, or so called a dummy device. My goal is to have apache with mod_proxy and balancer running on peth0 in dom0. Apache is spreading my connection to the backend domU's, where the webservices are running. The connection between the dom's should go on dom0 over the dummy interface and they are all connected over a bridge. Hope the following ascii-art explains it a little bit better:

-------------------------------------------------------------
| peth0 |
| DOM0 |
| |
| tun0 (dummy dev) |
| xenbr1 |
|---------------------------------------------------------- |
| eth0 | eth0 |
| domU | domU |
| _____________|____________________|

I tried with tun to setup the stuff, but I've got several problems. I search a lot in the internet, but I didn't find a good documentation. So my question is, how to setup cleanly such a dummy device. Any help or link to documentation is welcome! Thanks a lot for your help

bye Philipp

===============================================
Philipp Jäi
SNCT Sandweiler
bp 23
L-5230 Sandweiler

mailto: philipp [dot] jaeggi [at] snct [dot] lu

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