[Dnsmasq-discuss] Windows7 does not get IPv6 via WiFi

[Simon Kelley]

On 23/03/13 18:51, Conrad Kostecki wrote:
> Am 20.03.2013 22:58, schrieb Simon Kelley:
>> On 20/03/13 21:48, Conrad Kostecki wrote:
>>> Am 17.03.2013 22:24, schrieb Simon Kelley:
>>>> On 16/03/13 20:42, Conrad Kostecki wrote:
>>> [..]
>>>>
>>>> Is dnsmasq offering the same address to the wireless interface as the
>>>> wired interface? I think that may be the problem.
>>>
>>> No. I get via wire interface XXXX:YYY:ZZZZ:23::3 and via wireless
>>> interface XXXX:YYY:ZZZZ:42::3. So they are different.
>>>
>>>> Please could you try the latest test code, 2.66test22? That has a
>>>> lot of
>>>> improvements in the stateful DHCPv6 code that may well help in this
>>>> case.
>>>
>>> I've installed 2.66_test23. But it didn't help :/
>>>
>>
>> I went back to your original report and looked at the logs. It seems
>> that the client does eventually accept the advertised address and get a
>> lease (  at 21:34:54 ). Does that address (2001:470:7173:42::2) not turn
>> up on the client?
>
> It seems to be very slow. I've checked this now. It takes about 1-2
> minutes before Windows shows a IPv6-address after DNSMasq logged this.
>
> Could be this normal?

Not normal, I think. Two possible reasons why it might happen.

1) Packet loss on wireless link: the DHCP protocol can take a long time 
to recover.

2) Another DHCP server on the network. If that's replying to 
DHCPSOLICITS but not DCHPREPLYs then it may take the client some time 
to accept the offer from dnsmasq and not another server.

Both of these are clutching at straws, I don't really know what's 
happening here.

Simon.

>
> Cheers,
> Conrad
>
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