-.\" $OpenBSD: sysctl.3,v 1.238 2014/07/12 17:00:43 henning Exp $
+.\" $OpenBSD: sysctl.3,v 1.239 2014/07/12 17:26:20 jmc Exp $
.\"
.\" Copyright (c) 1993
.\" The Regents of the University of California. All rights reserved.
The variable specifies the lifetime of routing entries generated by
incoming ICMPv6 redirects.
.Pp
-.It Li ip6.accept_rtadv
-If set to non-zero, the node will accept ICMPv6 router advertisement packets
-and autoconfigures address prefixes and default routers.
-The node must be a host
-.Pq not a router
-for the option to be meaningful (see
-.Li ip6.forwarding ) .
-.Pp
.It Li ip6.auto_flowlabel
On connected transport protocol packets,
fill the IPv6 flowlabel field to help intermediate routers identify