[ale] ARP and KVM

[Chuck Payne]

Ok,

We are running two Virtual Server, that why I listed them. Both are doing
that mac address change with arp.   By the, when the NAS server doing the
ARP check, and I can see it trying all nic of the guest.

Here more from the nas server, all the mac address are assigned to an nic.
The one with 52:54:00 are from the KVM server, the one that look real are
from the XEN server.

I am using libvirtd on KVM, and what ever Citrix uses with their Xen
server.

arp: 10.1.0.5 moved from 52:54:00:0c:fa:92 to 52:54:00:47:b7:eb on igb3
arp: 10.6.0.25 moved from 52:54:00:83:0e:1f to 52:54:00:9e:33:6d on igb2
arp: 10.6.0.79 moved from d2:32:a8:c2:db:e5 to c6:d7:1a:d4:a7:81 on igb2
arp: 10.6.0.79 moved from c6:d7:1a:d4:a7:81 to 2e:3d:40:43:0e:f2 on igb2
arp: 10.1.0.94 moved from d4:ae:52:a8:66:d0 to d4:ae:52:a8:66:cd on igb3
arp: 10.6.0.45 moved from 90:b1:1c:54:ae:d3 to 90:b1:1c:54:ae:d6 on igb2
arp: 10.6.0.45 moved from 90:b1:1c:54:ae:d6 to 90:b1:1c:54:ae:d3 on igb2
arp: 10.6.0.45 moved from 90:b1:1c:54:ae:d3 to 90:b1:1c:54:ae:d6 on igb2
arp: 10.0.0.133 moved from be:b3:a8:f4:1a:8e to 1a:be:ae:2d:d9:6d on igb0


On Mon, May 4, 2015 at 4:33 PM, DJ-Pfulio <DJPfulio at jdpfu.com> wrote:

> On 05/04/2015 04:08 PM, Chuck Payne wrote:
> > KVM (QEMU)/Xen
>
> Which is it? KVM, QEMU, or Xen?  They each use different config files.
> Do you have libvirt or are the VMs started 100% from a script with all
> settings
> forced?
>
> The VM settings control which MAC addresses are passed into a VM. Make
> certain
> none on the same LAN segment conflict.  Then inside the VM, you can tell
> the OS
> which to use in the udev-rules.  I can help on Ubuntu servers and expect
> Debian
> to be similar. RHEL networking is different, I think.
>
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-- 
Terror PUP a.k.a
Chuck "PUP" Payne

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