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On Tue, Apr 1, 2008 at 5:39 PM, Jayson Vantuyl <jvantuyl@xxxxxxxxxxxxxx> wrote:

This could happen if the new instance got a new MAC address. Can you connect to the console and run "ip link" to see if the MAC address changes after the migration?

It definitely isn't changing.

Does anyone know what script sets up the networking once the vm has been completely transferred?

Also, are you using bridged or routed networking?

Bridging, ala http://sourceware.org/cluster/faq.html#xenclustererrors

On Apr 1, 2008, at 12:37 PM, mo ther wrote:
They have the latest Redhat 5.1 packages available.

On Tue, Apr 1, 2008 at 12:21 PM, Ross S. W. Walker <rwalker@xxxxxxxxxxxxx> wrote:

mo ther wrote:
>
> Hi,
>
> After I live migrate a VM from one Xen host to another, the
> networking on the VM stops until I do something like arping
> it from a server on the same network, or login to the console
> of the VM and use the network in some way (eg. ping another
> server, start tcpdump, check a host name).
>
> I have configured the networking as per:
> http://sourceware.org/cluster/faq.html#xenclustererrors
> because of fencing issues. Everything works perfectly, except
> that until something happens with the networking on the VM,
> the networking is stopped.
>
> Any thoughts? I'm not sure what information to send--this is
> Redhat EL5.1.

Did you try upgrading your network drivers to the latest and
greatest versions?

-Ross

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Jayson Vantuyl
Systems Architect
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Re: [Xen-users] Networking stops on vm after live migration