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xen-users
Re: [Xen-users] Networking change in Xen unstable
Hello John,
ip_forward has been always on.
This machine is working also as a router for other PCs at my home.
Thanks for reply anyway.
On Fri, Jul 08, 2005 at 12:27:50PM -0500, John Fairbairn wrote:
> Hello,
> i would think that all you would need to so if thats the error you get
> is to enable ip forwarding in the dom0 kernel. Generally that is done
> with
>
> echo "1" > /proc/sys/net/ipv4/ip_forward
>
> if memory serves, I believe you have to reboot for this to take effect.
>
> Hope this helps you out some.
> John Fairbairn
>
> > Hello,
> >
> > I'm now using Xen unstable, which works very nice.
> > For me it's generally more stable than 2.0 (no FPU problem now).
> >
> > I have noticed that veth0 and vif0.0 appear in net devices,
> > and veth0 is attached to xen-br0. Routing to the bridge network is
> > now through veth0, instead of xen-br0 like it used to be.
> >
> > The problem is, my iptables configuration (on dom0) complains
> > with this setup. This message appears in kernel log (dmesg):
> >
> > Performing cross-bridge DNAT requires IP forwarding to be enabled
> >
> > I'm DNATting DNS requests from Internet to domU, and it doesn't work.
> >
> > Killing veth0 and assigning IP address to xen-br0 fix this problem:
> >
> > # ifconfig veth0 0.0.0.0
> > # ifconfig xen-br0 10.1.1.1 netmask 255.255.255.0
> >
> > Frontend net device is disabled in dom0 kernel .config.
> >
> > Could someone explain what is veth0 and its purpose?
> >
> > Thanks,
> > --
> > Takeshi
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
> >
>
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
--
そね
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