[src/trunk]: src/lib/libc/gen warning about net.inet6.ip6.forwarding.

[itojun <itojun%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/bdcaaa92c2b0
branches:  trunk
changeset: 480762:bdcaaa92c2b0
user:      itojun <itojun%NetBSD.org@localhost>
date:      Wed Jan 19 12:30:12 2000 +0000

description:
warning about net.inet6.ip6.forwarding.

diffstat:

 lib/libc/gen/sysctl.3 |  12 +++++++++++-
 1 files changed, 11 insertions(+), 1 deletions(-)

diffs (26 lines):

diff -r cbad972f2f1d -r bdcaaa92c2b0 lib/libc/gen/sysctl.3
--- a/lib/libc/gen/sysctl.3     Wed Jan 19 12:00:49 2000 +0000
+++ b/lib/libc/gen/sysctl.3     Wed Jan 19 12:30:12 2000 +0000
@@ -1,4 +1,4 @@
-.\"    $NetBSD: sysctl.3,v 1.46 2000/01/06 06:41:18 itojun Exp $
+.\"    $NetBSD: sysctl.3,v 1.47 2000/01/19 12:30:12 itojun Exp $
 .\"
 .\" Copyright (c) 1993
 .\"    The Regents of the University of California.  All rights reserved.
@@ -790,6 +790,16 @@
 .It Li ip6.forwarding
 Returns 1 when IPv6 forwarding is enabled for the node,
 meaning that the node is acting as a router.
+Returns 0 when IPv6 forwarding is disabled for the node,
+meaning that the node is acting as a host.
+IPv6 specification defines node behavior for
+.Dq router
+case and
+.Dq host
+case quite differently, and changing this variable during operation
+may cause serious trouble.
+It is recommended to configure the variable at bootstrap time,
+and bootstrap time only.
 .It Li ip6.redirect
 Returns 1 when ICMPv6 redirects may be sent by the node.
 This option is ignored unless the node is routing IP packets,