Google Android isn't supporting DHCPv6 and USG is missing RDNSS

FrankLauer
FrankLauer Posts: 45
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edited August 2022 in Security Ideas
Today I learned that Android Phones don't support DHCPv6.

And indeed when I have such a phone and sniff with Whireshark I can't see any DHCPv6 requests. Therefore this is the reason why the phone can't get the DNS server addresses for IPv6.
With Windows and Linux systems everything works well, they request after a RA further information by DHCPv6.

As far a I understand Google is supporting to receive DNS addresses only by RA:

How can I configure a Zywall USG 110/210 to support this behaviour of Android phones ?

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