Re: IPv6 routing /48s

From: Mohacsi Janos (no email)
Date: Thu Nov 20 2008 - 03:22:30 EST

  • Next message: Pekka Savola: "Re: IPv6 routing /48s"

    On Thu, 20 Nov 2008, Nathan Ward wrote:

    > On 20/11/2008, at 4:06 AM, Florian Weimer wrote:
    >
    >> * Michael Sinatra:
    >>
    >>> And it just reinforces the fear that people have against putting AAAA
    >>> records in DNS for their publicly-accessible resources, especially
    >>> www.
    >>
    >> Won't current Windows clients work just fine in this case?
    >>
    >> I have no idea what a fix should look like for some of the non-Windows
    >> systems I care about, unfortunately.
    >
    >
    > No, unfortunately broken 6to4 auto-configuration (ie, in Vista, XPSP2, when
    > on a non-RFC1918 IP address) breaks, and you get 90s timeouts before falling
    > back to IPv4/A.

    This must be a broken RFC 3484 implementation:
    - 6to4 should be less prerefed than IPv4 if the service has both AAAA and
    A record.

    Regards,
                     Janos Mohacsi


  • Next message: Pekka Savola: "Re: IPv6 routing /48s"





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