[ovirt-devel] Default MAC address range
ylavi at redhat.com
Wed Nov 22 15:48:12 UTC 2017
Can you please open an RFE for us to review?
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On Sun, Nov 19, 2017 at 12:37 PM, Yedidyah Bar David <didi at redhat.com>
> Hi all,
> The default range went through several changes during the lifetime of
> the project - from being small and constant until 3.2, to small and
> random in 3.3 until 3.5, back to fixed and small in 3.6, slightly
> enlarged (to 1024 addresses) in current master.
> In all cases, the address range was taken from the IANA-assigned range
> 001A4A of Qumranet (now Red Hat) .
> I suggest to:
> 1. Default to a random range again
> - So that two or (a few) more setups using the same network segment
> are less likely to use the same range
> 2. One in the locally-administered address range 
> - So that we have a larger address range
> 3. Make it a bit larger, say 65000 addresses
> - So that admins do not have to handle this manually, even for large
> setups, unless they have specific needs
> If there is objection to (2.), we can still have the others - among
> the 24 bits in the 001A4A prefix range, choose among the first 8 a
> random value during engine-setup, and have the pool of size 16 bits.
> Comments/ideas/etc. are welcome.
> Best regards,
>  https://regauth.standards.ieee.org/standards-ra-web/pub/view.html
>  https://en.wikipedia.org/wiki/MAC_address#Universal_vs._local
> Devel mailing list
> Devel at ovirt.org
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