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Re: wm DAD duplicate address



On 24/02/2017 10:41, Patrick Welche wrote:
> On Fri, Feb 24, 2017 at 09:40:27AM +0000, Roy Marples wrote:
>> On 21/02/2017 12:32, Patrick Welche wrote:
>>> On Tue, Feb 21, 2017 at 12:25:00PM +0000, Patrick Welche wrote:
>>>> wm2: DAD defended address 0.0.0.0 from 00:15:17:1a:48:1d
>>>> wm2: DAD defence failed for 0.0.0.0 from 00:15:17:1a:48:1d
>>>> wm2: DAD duplicate address 0.0.0.0 from 00:15:17:1a:48:1d
>>> ...
>>> Reverse Request who-is 00:15:17:22:6c:e0 tell 00:15:17:22:6c:e0, length 46
>>> Request who-has 169.254.95.254 tell 169.254.95.254, length 28
>>>
>>> etc., and no 0.0.0.0 to be seen anywhere by tcpdump
>>
>> So the DAD reporting reports on an address assigned to the interface,
>> not the actual address from the ARP message.
>> There is code to pick the first address from the interface if none match
>> the ARP message, the below patch skips DAD if that happens.
>>
>> Does it help?
> 
> It does indeed!

Committed!



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