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Re: [Xen-users] Multiple Bridges Fail to Start

To: Schober Walter <Walter.Schober@xxxxxxxxx>
Subject: Re: [Xen-users] Multiple Bridges Fail to Start
From: Tony Angerame <aga1@xxxxxxxxxxxxxx>
Date: Mon, 11 Jun 2007 09:21:58 -0700
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Schober Walter wrote:
Hi Tony!

Maybe not a solution to your problem, but it may help you to reach the
target:
I played around with that for days without getting it solved, so I left
that interface thing out of Xen. Means: Configure the Bridges and
Interfaces and all that acc. to your distro, e.g. ifcfg-xenbr0,
ifcfg-xenbr1, ifcfg-eth0, ... on Redhat (I can provide the infos, if you
need them).
Also just replace the network-script with a network-script-dummy, which
simply does nothing.

With that method I managed it to have VLANs on bonding interfaces
bridged into xenbr0 and xenbr1. But keep the names xenbr0 and xenbr1 - they are used too often somewhere
;-)

Br
Walter

-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Anthony G
Angerame
Sent: Sunday, June 10, 2007 2:32 AM
To: xen-users@xxxxxxxxxxxxxxxxxxx
Subject: [Xen-users] Multiple Bridges Fail to Start

Hi,


I am using Xen 3.0.2 on SUSE SLES 10. I have created a script in /etc/xen/scripts called "network-mybridges" and use two lines to setup xenbr0 and xenbr1. When executed manually the script works fine and creates xenbr0 and xenbr1. I can then xm create -c <vmname>. with absolutely no issues. It just won't work at boot time. It appears that the vif-bridge script is shutting down and deleting the devices (xenbr) at boot time instead of bringing them up. The script is configured into /etc/xen/xend-config.sxp.

Here is an excerpt from /var/log/messages:

2357 May 31 16:57:04 zeus kernel: eth1: no IPv6 routers present

2358 May 31 16:57:04 zeus logger: /etc/xen/scripts/vif-bridge: online XENBUS_ PATH=backend/vif/1/0 2359 May 31 16:57:04 zeus logger: /etc/xen/scripts/block: add XENBUS_PATH=bac kend/vbd/1/768 2360 May 31 16:57:04 zeus logger: /etc/xen/scripts/vif-bridge: online XENBUS_ PATH=backend/vif/1/1 2361 May 31 16:57:04 zeus logger: /etc/xen/scripts/block: add XENBUS_PATH=bac kend/vbd/1/832


Thanks in advance,


Tony
2362 May 31 16:57:04 zeus kernel: NET: Registered protocol family 17
   2363 May 31 16:57:04 zeus ifup:     vif1.0

2364 May 31 16:57:04 zeus ifup: No configuration found for vif1 .0 2365 May 31 16:57:04 zeus ifup: vif1.1 2366 May 31 16:57:04 zeus ifup: No configuration found for vif1 .1 2367 May 31 16:57:04 zeus logger: /etc/xen/scripts/block: Writing backend/vbd /1/768/node /dev/loop0 to xenstore. 2368 May 31 16:57:04 zeus logger: /etc/xen/scripts/block: Writing backend/vbd /1/768/physical-device 7:0 to xenstore. 2369 May 31 16:57:04 zeus logger: /etc/xen/scripts/block: Writing backend/vbd /1/768/hotplug-status connected to xenstore.

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Walter,


Hmmmm well hopefully in the next release (Coming soon?). I know it's in the timing of the startup so I may play with that. Thanks for your reply it's nice to know it is an error others are experiencing. If you have any more info please pass it on and I will likewise let you know what I come up with.


Thanks,


Tony


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