Re: 2.6.31.6 pv_ops and routing DomU

[Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>]

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-2.6.31.6 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
DomU.

> 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.