Hi,
Sebastian Reitenbach <sebastia@xxxxxxxxxxxxxxxxxxxx> wrote:
> Hi,
>
> I some problem setup networking on a opensuse 10.3, x86_64, xen 3.1.0.
> I have four suse 10.3, x86_64 PVM hosts running on it, they are connected
> via a bridge to get network.
>
> I can connect from external hosts, to the virtual machine, and from the
> virtual machines to the internet, no problem. But I cannot reach the dom0
> from within the domU's or vice versa. Also the domU's are able to
> communicate with each other via that bridge, so forwarding etc is active.
>
> brctl show xenbr0
> bridge name bridge id STP enabled interfaces
> xenbr0 8000.001871874e9d no vif45.0
> vif46.0
> eth1
> vif47.0
> vif48.0
>
>
> Only after I added the four host routes to the domU's I was able to
> communicate between dom0 and domU. I have another Xen server, running
> sles10, there I did not had to add these explicit routes.
> netstat -rn
> Kernel IP routing table
> Destination Gateway Genmask Flags MSS Window irtt
> Iface
> 10.0.0.139 0.0.0.0 255.255.255.255 UH 0 0 0
> xenbr0
> 10.0.0.138 0.0.0.0 255.255.255.255 UH 0 0 0
> xenbr0
> 10.0.0.141 0.0.0.0 255.255.255.255 UH 0 0 0
> xenbr0
> 10.0.0.140 0.0.0.0 255.255.255.255 UH 0 0 0
> xenbr0
> 10.0.0.0 0.0.0.0 255.255.255.0 U 0 0 0
> eth1
> 10.0.0.0 0.0.0.0 255.255.255.0 U 0 0 0
> xenbr0
> 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0
> eth1
> 127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0
lo
>
>
> The virtual interfaces are configured like this in the domU configuration
> file:
> vif=[ 'mac=00:16:3e:6a:64:07,bridge=xenbr0', ]
>
>
> do I need to do any additional network configuration to allow
communication
> from domU do dom0?
> Any more information I should provide?
As a workaround I created a native bridge, with just my physical interface
as a device, and then I reconfigured the xen domU's to bind to that bridge,
instead of the xenbr0, and it works like a charm, but I doubt that it is the
way it should work. That works for me, and I am fine with that, but if
anybody has a hint on how to do it with using xenbr0, please let me know.
kind regards
Sebastian
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