mention net.inet.ip.mforwarding.

ok beck@ kettenis@ norby@

src/etc/sysctl.conf

@@ -1,11 +1,12 @@
-#	$OpenBSD: sysctl.conf,v 1.39 2005/09/30 17:19:21 jmc Exp $
+#	$OpenBSD: sysctl.conf,v 1.40 2006/01/28 18:22:43 brad Exp $
 #
 # This file contains a list of sysctl options the user wants set at
 # boot time.  See sysctl(3) and sysctl(8) for more information on
 # the many available variables.
 #
-#net.inet.ip.forwarding=1	# 1=Permit forwarding (routing) of packets
-#net.inet6.ip6.forwarding=1	# 1=Permit forwarding (routing) of packets
+#net.inet.ip.forwarding=1	# 1=Permit forwarding (routing) of IPv4 packets
+#net.inet.ip.mforwarding=1	# 1=Permit forwarding (routing) of IPv4 multicast packets
+#net.inet6.ip6.forwarding=1	# 1=Permit forwarding (routing) of IPv6 packets
 #net.inet6.ip6.accept_rtadv=1	# 1=Permit IPv6 autoconf (forwarding must be 0)
 #net.inet.tcp.rfc1323=0		# 0=Disable TCP RFC1323 extensions (for if tcp is slow)
 #net.inet.tcp.rfc3390=0		# 0=Disable RFC3390 for TCP window increasing