MAAS to ignore boot request from specific mac addresses

Mike Pontillo mike.pontillo at canonical.com
Tue Apr 25 18:08:10 UTC 2017


Hi Eswar,

   If the node is deployed by MAAS and PXE boots, it will be sent a PXE
configuration that instructs it to boot from the local disk. If the PXE
server is unavailable and the BIOS falls back to booting from the local
drive, that should work, too. So you should be safe either way.

   If the node is NOT managed by MAAS but running on an
otherwise-MAAS-managed subnet, I would consider setting its BIOS to NOT
boot from the network. If you can't do that, I would consider adding an
iptables rule that would match the machine's MAC address and filter PXE
requests.

Regards,
Mike

On Tue, Apr 25, 2017 at 10:14 AM, ESWAR RAO <eswar7028 at gmail.com> wrote:

> Hi All,
>
> Please let me know how can we disable a compute node (mac address) from
> PXE booting by MAAS.
> MAAS should ignore a boot request from specific mac addresses.
>
> I don't think this can be done by using MAAS CLI:
> https://docs.ubuntu.com/maas/1.9/en/maascli
>
>
> Please suggest me how can i achieve this :
>
> (1) disable the mac in dhcp conf of maas ??
> (2) any filters like below ??
> https://github.com/opencord/maas/blob/7b1f18c47329d08fb84d8a704d60a4
> 93b2b360be/automation/README.md
>
> Thanks
> Eswar Rao
>
>
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