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] Still confused about bridging (I think)

To: "David Dyer-Bennet" <dd-b@xxxxxxxx>
Subject: Re: [Xen-users] Still confused about bridging (I think)
From: "Javier Guerra" <javier@xxxxxxxxxxx>
Date: Fri, 19 Sep 2008 18:02:13 -0500
Cc: xen-users@xxxxxxxxxxxxxxxxxxx
Delivery-date: Fri, 19 Sep 2008 16:02:49 -0700
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <533556ce1eb1a9622c07fed5a2ed8e1a.squirrel@xxxxxxxxxxxxxxxx>
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: <533556ce1eb1a9622c07fed5a2ed8e1a.squirrel@xxxxxxxxxxxxxxxx>
Sender: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
On Fri, Sep 19, 2008 at 5:42 PM, David Dyer-Bennet <dd-b@xxxxxxxx> wrote:
> I know I'm confused about *something*, because packets aren't getting
> through.
>
> The hardware has two NICs, eth0 connects to the corporate lan on
> 192.168.1.14, and to a private cluster lan on 172.17.0.1.
>
> In dom0, I can reach systems on both lans.
>
> In a guest on 172.17.1.2, I can't reach anything.  Nothing in 172.17,
> nothing in 192.168.1.  The guest is domain 9, called vl01.
>
> In dom0 A bridge, xenbr0 (specified in my control files for the domains),
> is set up to let everybody talk to everywhere.
>
> [root@prcapp02 xen]# brctl show
> bridge name     bridge id               STP enabled     interfaces
> virbr0          8000.000000000000       yes
> xenbr0          8000.2ed4b2e93fd1       no              vif9.0
>                                                        vif7.0
>                                                        tap0
>                                                        peth0
>                                                        vif0.0

where's the 'way out' from xenbr0? IOW, is peth0 connected to a real NIC?

i think you should set two bridges, one connected to eth0
(192.168.1.14) , and the other to eth1 (172.17.0.1), then if you want
a DomU on 172.17.x.x, connect it's vif to the second bridge.

-- 
Javier

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