Yes, this is how DHCP in IPv4 also works.  The difference is that there is
an extra mechanism for automatically generating IPv6 addresses beyond just
DHCP...


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On Mon, Jul 12, 2010 at 10:18 PM, Jason Gauthier <[email protected]>wrote:

> Well, after diligence and testing… I’ve solved this.  Windows 2008 DHPCv6
> will not work reliably without having a *static* IPv6 address assigned to
> it.
>
> I have not decided how I feel about that yet.
>
>
>
> *From:* Jason Gauthier
> *Sent:* Friday, July 09, 2010 3:12 PM
> *To:* NT System Admin Issues
> *Subject:* DHCPv6
>
>
>
> Greetings,
>
>
>
> I’m struggling with an issue with DHCPv6.   I’m using this, effectively, as
> stateless.   I have a Cisco router set up to multicast router
> advertisements.  It is doing so successfully, setting the options “Managed”
> to false, and “Other” to true.
>
>
>
> I have confirmed through network traces and Windows 7 DHCPv6 event logs
> that it is receiving the announcements, and setting the options correctly.
>
>
>
> This is working good!
>
>
>
> Now, here comes the part that I’m struggling with.  Once the options are
> set, the client machine should (and does) poll for DHCPv6 options only.
>
> Again, I’ve confirmed though network traces that this is happening
> successfully.
>
>
>
> *15:03:45.012474 IP6 (hlim 1, next-header UDP (17) payload length: 110)
> fe80::188b:8ff9:305c:71a3.546 > ff02::1:2.547: [udp sum ok] dhcp6 solicit
> (xid=fd9725 (elapsed time 3100) (client ID hwaddr/time type 1 time 316484303
> 00155d320606) (IA_NA IAID:369104221 T1:0 T2:0) (Client FQDN) (vendor class)
> (option request DNS name DNS vendor-specific info Client FQDN).*
>
>
>
> My DHPCv6 server (running netmon) can definitely see the multicast requests
> sent to FF02:0:0:0:0:0:2:1.  However, it doesn’t respond, acknowledge, or
> otherwise seem to care.
>
>
>
> Options 23 (DNS Recursive Name) and options 24 (Domain Search List) are
> set.
>
>
>
> I have done this on two different networks, two different DHCPv6 servers.
> Neither of them responds. Even the statistics do not count up that there was
> a solicit message.
>
>
>
> I am intending to open a ticket with MS, but sasupport seems to be
> non-functional for me at the moment.
>
>
>
> So, I thought I would ask here.   All my clients are Windows 7/2008R2, and
> my two servers are 2008 R2.
>
>
>
> Thanks for reading.
>
>
>
> Jason
>
>
>
>
>
>

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