What is the rc.conf syntax for /etc/rc.d/ip6addrctl's "prefer_ipv4" option?

[Terry Kennedy]

>  The knob to select IPv4-preferred or IPv6-preferred in 8.X is
>  $ipv6_enable.  If you want IPv4-preferred with ipv6_enable=YES,
>  please use /etc/ip6addrctl.conf.
>
>  The $ip6addrctl_policy is one introduced in 9.X and later for
>  selecting one of them independently from whether IPv6 is enabled or
>  not.  This variable is not supported in 8.X.

  Thanks! I'll do that.

        Terry Kennedy             http://www.tmk.com
        terry at tmk.com             New York, NY USA