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authorJun-ichiro itojun Hagino <itojun@cvs.openbsd.org>2006-11-21 05:37:33 +0000
committerJun-ichiro itojun Hagino <itojun@cvs.openbsd.org>2006-11-21 05:37:33 +0000
commit5106bfd2a82d71f80176091cb8e5b19d9d7bacf8 (patch)
treecab8391611be94d2860bca14dbb5ad0343fa1ddc /lib/libc/gen/sysctl.3
parent4a2f410998b7a92693b3a6f02f1ed031455054d8 (diff)
introduce sysctl net.inet6.ip6.multicast_mtudisc (for multicast routers).
deraadt ok. manpage nit by jmc.
Diffstat (limited to 'lib/libc/gen/sysctl.3')
-rw-r--r--lib/libc/gen/sysctl.310
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/libc/gen/sysctl.3 b/lib/libc/gen/sysctl.3
index fdb9ad92689..34779660330 100644
--- a/lib/libc/gen/sysctl.3
+++ b/lib/libc/gen/sysctl.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: sysctl.3,v 1.161 2006/10/16 04:55:21 mcbride Exp $
+.\" $OpenBSD: sysctl.3,v 1.162 2006/11/21 05:37:32 itojun Exp $
.\"
.\" Copyright (c) 1993
.\" The Regents of the University of California. All rights reserved.
@@ -1556,6 +1556,7 @@ The currently defined protocols and names are:
.It ip6 maxfragpackets integer yes
.It ip6 maxfrags integer yes
.It ip6 mforwarding integer yes
+.It ip6 multicast_mtudisc integer yes
.It ip6 multipath integer yes
.It ip6 redirect integer yes
.It ip6 rr_prune integer yes
@@ -1740,6 +1741,13 @@ The flag is provided basically for avoiding possible DoS attacks.
If set to 1, then multicast forwarding is enabled for the host.
The default is 0.
.Pp
+.It Li ip6.multicast_mtudisc
+This variable controls generation of ICMPv6 Too Big messages
+when the machine is performing as an IPv6 multicast router.
+If set to 1, an ICMPv6 Too Big message will be generated for multicast packets
+which were too big to be forwarded.
+If set to 0, the ICMPv6 Too Big message will be suppressed.
+.Pp
.It Li ip6.multipath
This variable enables multipath routing for IPv6 addresses.
If set to 0, only the first route selected will be used for a given