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Subject: Re: why rtsold ?
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From: Anton Yuzhaninov <citrin+bsd@citrin.ru>
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On 9/29/18 10:20 PM, Victor Sudakov wrote:
> When running FreeBSD as an IPv6 host im SLAAC mode, is
> "rtsold_enable=YES" really necessary? I did not enable rtsold and IPv6
> still works fine only with 

rtsold is needed to write DNS server address from RDNSS RA option to
/etc/resolv.conf

man rtsold
/-R