Multiple IPv6 addresses being assigned to single interface

Posted by Steven Copestake on Server Fault See other posts from Server Fault or by Steven Copestake
Published on 2012-09-28T13:03:30Z Indexed on 2012/10/07 3:41 UTC
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I'm configuring a DHCP scope for IPv6, however all my clients are getting 2 or more IPv6 addresses assigned to the interface.

I'm using fda8:6c3:ce53:a890:/64 as the prefix. The scope is on a machine running Windows Server 2008 R2 however I'm looking to roll it out on Server 2012 as well.

My clients are getting the following:

IPv6 Address. . . . . . . . . . . : 1024::1492:9288:7357:7d30(Preferred)
IPv6 Address. . . . . . . . . . . : fda8:6c3:ce53:a890::1(Preferred)
IPv6 Address. . . . . . . . . . . : fda8:6c3:ce53:a890:1492:9288:7357:7d30(Pr rred)
Link-local IPv6 Address . . . . . : fe80::1492:9288:7357:7d30%10(Preferred)

In this example there's no DHCP scope and the machine has a static IP of fda8:6c3:ce53:a890::1. With this in mind where are the 1024 address and the fda8:6c3:ce53:a890:1492:9288:7357:7d30 address coming from?

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