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xen-users
Re: [Xen-users] Problem pinging the xen guest after live migration
On Sat, 2010-07-03 at 17:57 -0400, Srija G wrote:
Hi ,
[snip]
Can anyone please advice , where to check? Do you think it is the switch
configuration issues?
It's almost certainly a switch issue: the switch doesn't know that the
MAC address for the recently migrated machine is on a different port.
There are two possibilities: you can either ping something (eg the
default router) _from_ the guest after it has migrated or you can set
portfast on the switch. The former just informs the switch that the
originating MAC address is now on a different port; the latter makes the
switch less willing to hold on to the MAC address/port association for a
long time and is something that the network people can do. You might
want to try doing both.
jch
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