WARNING - OLD ARCHIVES

This is an archived copy of the Xen.org mailing list, which we have preserved to ensure that existing links to archives are not broken. The live archive, which contains the latest emails, can be found at http://lists.xen.org/
   
 
 
Xen 
 
Home Products Support Community News
 
   
 

xen-users

Re: [Xen-users] 1 host, 1 nick, 1 regular bridge, 1 local bridge, 5 vm

To: Simon Hobson <linux@xxxxxxxxxxxxxxxx>, vannion@xxxxxxxxx
Subject: Re: [Xen-users] 1 host, 1 nick, 1 regular bridge, 1 local bridge, 5 vm
From: Todd Deshane <todd.deshane@xxxxxxx>
Date: Tue, 22 Mar 2011 09:36:39 -0400
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Delivery-date: Tue, 22 Mar 2011 06:38:23 -0700
Dkim-signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:in-reply-to:references:from :date:x-google-sender-auth:message-id:subject:to:cc:content-type :content-transfer-encoding; bh=DZaQM9CkX9sh6cdzLYOaj64ulreDk0yORWHqmShKHjg=; b=Eew3RBgaOhG6uoOJNs0PghqMemW6vhU6Mub5IiYskgbDOJqvTEpdwkf+v7B6IIOYqR xORoTkiyW9zpcvXGNdg5LG7U8UoZ+MZJLG7AbbvDfFrgiv+IU5rQfMJUheM3xPi2r+3z /C3d7bf1hBMXzby9k9mXY5Y0KXFysEE9LfsIw=
Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:from:date :x-google-sender-auth:message-id:subject:to:cc:content-type :content-transfer-encoding; b=fXxadMKqJCRriotYydK/eb4Y4ZCKjK9OzaUnfMxlhbS3F/KqSENpE5U5IwZ4yuIkiy ytNlL831ObBUF2XM5Ce6uM0tFmiILgYqgro+7MMQ4eNuu9sHMIpaE7eBbNXde6GZexJt rcQS2XCDIXPp3x8v/aeefv7pgEIC2wHADt0o8=
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <p0624082dc9ad74053d6b@xxxxxxxxxxxxxxxxxxxxxx>
List-help: <mailto:xen-users-request@lists.xensource.com?subject=help>
List-id: Xen user discussion <xen-users.lists.xensource.com>
List-post: <mailto:xen-users@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-users>, <mailto:xen-users-request@lists.xensource.com?subject=unsubscribe>
References: <AANLkTi=Z2qS9KKKoOGzb_ELjmeW9j-M8iTL4W-45oxjz@xxxxxxxxxxxxxx> <p0624082dc9ad74053d6b@xxxxxxxxxxxxxxxxxxxxxx>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
On Mon, Mar 21, 2011 at 5:35 PM, Simon Hobson <linux@xxxxxxxxxxxxxxxx> wrote:
> John Rounds wrote:
>>
>> So Working on CEntOS 5  I am trying to sett up Xen with 2 bridges, one
>> that connects dom0 and most of the domU to the physical card and the out to
>> the network.  Got that figured out no problem, now i want to have a second
>> bridge that runs a local network for all the doms that doesn't connect to
>> the network.
>>
>> With code I have found used in multiple places I can easily get 2 bridges,
>> and have all the Domu connected to it but i can't get Dom 0 to have an
>> interface.
>>
>> Script to set up bridges called fine from xend-config.sxp
>>
>> ]# cat multiple-bridge
>> #!/bin/sh
>> dir=$(dirname "$0")
>> "$dir/network-bridge" "$@" vifnum=0 netdev=eth0 bridge=xenbr0
>> "$dir/network-bridge" "$@" vifnum=2 netdev=dummy bridge=xenbrloc1
>
> I'd suggest you setup the local bridge manually - not in Xen.
>

Good suggestion. We have documentation and notes on this, since this
is the way Xen 4.1+ will work.

See:
http://wiki.xensource.com/xenwiki/HostConfiguration/Networking
http://wiki.xensource.com/xenwiki/MigrationGuideToXen4.1%2B

Thanks,
Todd

> Is this Debian ? If so then you can put something like this in
> /etc/network/interfaces - check the syntax, I'm typing this from memory :
>
> auto xenbrloc1
> xenbrloc1 inet static
>  ip address a.b.c.d
>  netmask w.x.y.z
>  pre-up brctl addbr xenbrloc1
>  post-down brctl delbr xenbrloc1
>
> I think this should work for you. What happens is that when the I/F is
> brought up, the bridge is created first (pre-up), and then the IP addr is
> added to it. The bridge is automatically deleted if the I/F is taken down.
>
> For other distros you'll need to adapt as required.
>
> --
> Simon Hobson
>
> Visit http://www.magpiesnestpublishing.co.uk/ for books by acclaimed
> author Gladys Hobson. Novels - poetry - short stories - ideal as
> Christmas stocking fillers. Some available as e-books.
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
>



-- 
Todd Deshane
http://www.linkedin.com/in/deshantm
http://www.xen.org/products/cloudxen.html

_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users