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xen-devel
Re: [Xen-devel] Odd Bridging Quirk
> Chris Babcock wrote:
>> I am seeing an odd bridging quirk, on my domU instances.
>>
>> When any of my domU's start, they cannot receive any traffic until they
>> have sent at least a few packets. Time seems to have no effect on this
>> behavior. If I let an idle domU sit for an hour, it still fails to
>> receive, if it has not originated any traffic.
>>
>> My workaround for the moment, is an added rc-init script that pings the
>> default gateway a few times when the domain first comes up.
>>
>> Is this normal? Should there be a warning in the docs, if it is? If
>> not,
>> does anybody have any ideas what may be causing this?
>
> I think I remember having this same problem when I set up networking
> with Xen. How are your domains getting their network addresses? I
The domains are being assigned their address in the debian startup
sequence from /etc/network/interfaces inside the domU instance.
> think the problem may have had something to do with ARP not being
> correctly set up between the bridge, the DomU's, and the network, such
> that a domain needed to send some packets out before it was known to
> have a given address.
>
> - Josh Triplett
>
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