Re: [Xen-users] Networking from domu to the outside

[Kris Amy <kris@xxxxxxxxxxxx>]

Hi Marcus,

I checked that and still no go.

Is there any issues currently with 2.0.6 and dom0 having multiple ip's?

Cheers,
KA

Marcus Brown wrote:

> Hi Kris,
>
>  
>
> > First of all my setup looks like this
> >
> > Router (A.B.C.D) - dom0(A.B.C.D+1) - domU(A.B.C.D+2)
> >
> > I can ping from domU -> dom0 and visa versa.
> > I can ping from dom0 -> Router.
> > I can't ping from domU -> Router.
> >    
> It would appear that either domU doesn't know how to reach the router,
> and/or dom0 isn't forwarding IP.
>
> Perhaps you could try the following?
>
> The domU will need dom0 as it's gateway, so the routing table in
> domU should be something like:
> Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
> A.B.C.0         0.0.0.0         255.255.255.0   U     0      0        0 eth0
> 0.0.0.0         A.B.C.D+1       0.0.0.0         UG    0      0        0 eth0
>
> Also, ensure that port forwarding is enabled in the dom0:
> #echo 1 > /proc/sys/net/ipv4/ip_forward
>
>
> Marcus.
>  

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