On Thu, 13 Jun 2024 at 09:39, Rodney W. Grimes <freebsd-...@gndrsh.dnsmgr.net> wrote: > > Discarding ICMP redirects on a internet host is non-conformant with > STD-3 via rfc-1122. Processing of ICMP rediects is a MUST for hosts.
In that case our default of "auto" is non-conformant if you have a routing daemon.