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    Radvd Error: Too many addresses in RDNSS section

    Scheduled Pinned Locked Moved IPv6
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    • E
      entropywrench
      last edited by

      2.2.5-RELEASE (amd64)
      built on Wed Nov 04 15:49:37 CST 2015
      FreeBSD 10.1-RELEASE-p24

      I've been trying and failing to get Route Advertising working for DHCP6/RA

      Clients were getting IPV6 addresses as they should and could see their Link-Local peers.  No gateway was set.

      Eventually I got around to seeing if radvd was even running, it wasn't.

      system.log showed this error

      Nov 15 21:19:31 vpn php-fpm[24523]: /services_router_advertisements.php: The command '/usr/local/sbin/radvd -p /var/run/radvd.pid -C /var/etc/radvd.conf -m syslog' returned exit code '1', the output was ''
      

      When I ran the startup from the shell I got:

      [Nov 15 21:34:50] radvd: Too many addresses in RDNSS section
      [Nov 15 21:34:50] radvd: error parsing or activating the config file: /var/etc/radvd.conf
      [Nov 15 21:34:50] radvd: Exiting, failed to read config file.
      
      

      I removed one of the 4 DNS servers I set and everything started working.  the DNS address I removed was one of googles:  2001:4860:4860:8844

      I've tested this out a few times, radvd starts fine with 3 DNS servers specified, it will fail if all 4 are entered in the GUI.

      Good luck all.

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      • C
        cmb
        last edited by

        Thanks, fixed by removing the 4th field. radvd only allows 3 there.

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