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/
Home Products Support Community News


Re: [Xen-devel] pv_ops and routing DomU

To: Stefan Kuhne <stefan.kuhne@xxxxxxx>
Subject: Re: [Xen-devel] pv_ops and routing DomU
From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Date: Tue, 9 Mar 2010 17:31:12 -0500
Cc: xen-devel@xxxxxxxxxxxxxxxxxxx
Delivery-date: Tue, 09 Mar 2010 14:50:02 -0800
Envelope-to: www-data@xxxxxxxxxxxxxxxxxxx
In-reply-to: <4B96C8AF.3050603@xxxxxxxxxxxxx>
List-help: <mailto:xen-devel-request@lists.xensource.com?subject=help>
List-id: Xen developer discussion <xen-devel.lists.xensource.com>
List-post: <mailto:xen-devel@lists.xensource.com>
List-subscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=subscribe>
List-unsubscribe: <http://lists.xensource.com/mailman/listinfo/xen-devel>, <mailto:xen-devel-request@lists.xensource.com?subject=unsubscribe>
References: <4B96C8AF.3050603@xxxxxxxxxxxxx>
Sender: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
User-agent: Mutt/1.5.19 (2009-01-05)
On Tue, Mar 09, 2010 at 11:16:15PM +0100, Stefan Kuhne wrote:
> Hello,
> i try to use xen-4.0.0-rcx with linux- pv_ops Dom0 Kernel.
> I've a DomU as DSL Router with pppoe.
> My Hardware has only one NIC, so i have to use it for LAN and pppoe to
> my DSL Modem.

Your DomU goes to the Internet. You Dom0 hooks up to the rest of your
LAN. You want Dom0 and DomU to route packets back and forth, right?

> My Problem is, that only this DomU and the Dom0 has Internet.

I presume you have your Dom0 NIC in a bridge which has the vif for the

> All others have DNS but ping doesn't work.

Can you ping your DomU from your LAN? That _should_ work.
> I can't find anythink in any log file.

Go to wireshark website and watch the videos on how to use it. Your
problem is network related.
> Anyone an idea?

I think your DomU routing is not set properly. Look online for tutorials
on NAT/Masquarade/firewall. Make sure you have 
echo 1 > /proc/sys/net/ipv4/ip_forward

Set in your DomU.

Xen-devel mailing list

<Prev in Thread] Current Thread [Next in Thread>