compatibility defs for user apps.
AdvRtrLifetime too short value (0.21). For now, AdvRtrLifetime is set to no less than 12 seconds (the lowest value defined in RFC2461).
node is a router.
* kame/sys/netinet6/icmp6.c (icmp6_redirect_output): do not check ip6_accept_rtadv to decide redirects should be sent. This parameter is irrelevant to sending redirects.
…rong; generally it was the case when we need to consider redirect cases.
…o ID20 transition. reported by email@example.com.