Hi,
I‘ve spent quite some time debugging weird intermittent IPv6 connectivity
issues over the last few days.
It turned out that net.inet6.icmp6.nd6_onlink_ns_rfc4861=1 fixed those problems.
This flag was introduced in a 2008 Security Advisory, because "non-neighbors"
could abuse Neighbor Disco
Dennis Kögel wrote
in <523ba6cf-c2c3-4e55-b81c-cb8816e56...@neveragain.de>:
dk> Hi,
dk>
dk> I‘ve spent quite some time debugging weird intermittent IPv6
dk> connectivity issues over the last few days.
dk>
dk> It turned out that net.inet6.icmp6.nd6_onlink_ns_rfc4861=1 fixed those
dk> problems.
