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From David Nalley <da...@gnsa.us>
Subject Re: [ASFCS41] IPv6 Support
Date Wed, 16 Jan 2013 03:01:25 GMT
On Tue, Jan 15, 2013 at 9:10 PM, Sheng Yang <sheng@yasker.org> wrote:
> On Mon, Jan 14, 2013 at 3:34 PM, Sheng Yang <sheng@yasker.org> wrote:
>> On Mon, Jan 14, 2013 at 10:51 AM, Sheng Yang <sheng@yasker.org> wrote:
>>>
>>> On Mon, Jan 14, 2013 at 10:45 AM, Chiradeep Vittal
>>> <Chiradeep.Vittal@citrix.com> wrote:
>>>>
>>>> You can if you assume that it is of LL-type. Windows requires a registry
>>>> fix to generate an 'LL' type DUID.
>>>
>>>
>>> Does dhcp6c support it? Didn't see a word from the document about DUID type,
>>> and it genereate LLT type by default Probably I should try another dhcpv6
>>> client.
>>>>
>>>>
>>>> You can also get dnsmasq to ignore the duid and use the mac.
>>>
>>>
>>> Haven't confirmed it's possible to use the mac, asking dnsmasq mailing
>>> list...
>>
>> Get answer from Dnsmasq's author Simon, it's impossible to use MAC to
>> identify client right now, since there is no such dhcpv6 standard.
>>
>> So it looks like we need stick to DUID-LL.
>
> I am failed to generated DUID-LL from the latest version of dhcp6c in
> CentOS 5.6. Is DUID-LL poorly supported by dhcpv6 client? Any other
> suggestion?
>
> User may need to install new dhcpv6 client to use with CloudStack,
> that sounds not that good...
>
> I am working on the FS right now, since we have the key steps(except
> DUID-LL, which should be a dhcpv6 client issue), and likely able to
> get it done tomorrow.
>
> Since we're working on advance shared network, it's easier to deal
> with createNetwork API rather than createVlanAndIpRange API.
>

Unless something has changed recently, EL5 had horrendous IPv6
support, and many things that should have worked, simply didn't.

--David

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