Hi, As already observed in the thread "dhcpv6-problem" some devices are confused by option request dhcpv6.server-id. I looked a little bit in to RFC 3736 and 3315. But I still don't know what is correct. Do you need the server-id, in case they are more than one servers in your LAN? Is a empty server-id request a valid request? ( in case of a selection: does empty mean all or nothing?) Why doesn't windows send this request? Because I don't see any disadvantages I propose to remove this request. At the moment I know three devices which would work with this patch. ZTE 823D ZTEMF93E alcatel one touch W800Z (tct-mobile) alias Telekom Speedsick LTE IV and I don't know any device which would stop working. Regards, Thomas Schäfer
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