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    IPv6 only CARP - Router Advertisement

    HA/CARP/VIPs
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    • junicast
      junicast last edited by

      Hi,

      I just setup CARP with IPv6 only.
      Could someone please hint me what the correct settings for the router advertisement daemon should look like.
      I used this howto, but it only mentions IPv4 DHCPd.
      https://doc.pfsense.org/index.php/Configuring_pfSense_Hardware_Redundancy_%28CARP%29

      Thank you

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      • junicast
        junicast last edited by

        I recall this question, cause I thought my setup didn't work because of a faulty router advertisment setup. I figured it was not faulty at all.

        The flaw was in the CARP setup. There are dedicated HA interfaces on each CARP member, configured with an IPv6 ULA and physically connected directly to each other. This doesn't seem to work.
        As far as I'm concerned I strongly suggest NOT to use ULA for High Availability sync.

        https://redmine.pfsense.org/issues/4648

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