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

[Kris Amy <kris@xxxxxxxxxxxx>]

Hi All,


After disabling the alias on dom0 and rebooting everything works...Strange.

Thanks everyone for the help.

Cheers,
KA

Kris Amy wrote:

> 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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