[Dnsmasq-discuss] dhcpv6 duid gen

[Simon Kelley]

On 01/03/12 11:40, Vladislav Grishenko wrote:
>> I wonder if the solution might be to just have a
>> duid-override =<enterprise number>,<hex data>
>> configuration which suppresses storing anything in the lease file  and
> just
>> uses a type-2 DUID in the obvious way?
>
> Ok, and it can be even more easy - allow specify u_int64_t value and use it
> with DUID-LL+27 ether type (eui64).
> duid-override=<eui64>
>
>> configuration which suppresses storing anything in the lease file  and
> just
>> uses a type-2 DUID in the obvious way?
> Storing is allowed, but until reboot...

But then what do you do when the configred DUID conficts with the stored 
one?

>
> And what about traversing over ethernet-like interfaces only?
> Actually, for me, it would be more handy than to implement own duid
> generation and storing it in conf.
> The root issue was in sit (6to4 tunnels) interfaces, which has no hwaddr to
> be used as duid ll source.

I think the solution to that is to ignore interfaces with HW address 
type >= 256. See <linux>/include/linux/if_arp.h for details.

OK?

Simon.