1 files changed, 44 insertions, 2 deletions
diff --git a/share/man/man8/netstart.8 b/share/man/man8/netstart.8
index a5a31c47b23..0213988a418 100644
--- a/share/man/man8/netstart.8
+++ b/share/man/man8/netstart.8
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: netstart.8,v 1.1 2002/02/21 02:36:09 miod Exp $
+.\"	$OpenBSD: netstart.8,v 1.2 2002/02/22 02:02:25 miod Exp $
 .\"
 .\" Copyright (c) 2002, Miodrag Vallat.
 .\" All rights reserved.
@@ -80,18 +80,60 @@ After the system is completely initialized, it is possible to start a
 newly-created interface or
 .Xr bridge 4 ,
 or reset an existing interface to its default state, by invoking
-.Bd -literal -compact
+.Bd -literal -offset indent -compact
 sh /etc/netstart foo0
 .Ed
 where
 .Ar foo0
 is the interface or bridge name.
+.Sh MULTICAST ROUTING
+Routing to the 224.0.0.0/4 net is setup using values from
+.Pa /etc/rc.conf
+according to these rules:
+.Bl -bullet -compact
+.It
+If the multicast settings are as follows:
+.Bd -literal -offset indent -compact
+multicast_host=NO
+multicast_router=NO
+.Ed
+then multicast routing will not be enabled.
+.It
+If the multicast settings are as follows:
+.Bd -literal -offset indent -compact
+multicast_host=NO
+multicast_router=YES
+.Ed
+then multicast routing will be enabled, but no multicast route will be set up.
+It is expected that a routing daemon, such as
+.Xr mrouted 8 ,
+will be started as well.
+.It
+If the multicast settings are as follows:
+.Bd -literal -offset indent -compact
+multicast_host=YES
+multicast_router=NO
+.Ed
+or:
+.Bd -literal -offset indent -compact
+multicast_host=foo0	# interface name
+multicast_router=NO
+.Ed
+then multicast routing will be enabled, using the default interface,
+or the interface name specified by
+.Va multicast_host .
+.It
+Other cases are configuration errors and will cause multicast routing not to be
+enabled.
+.El
 .Sh SEE ALSO
 .Xr bridge 4 ,
 .Xr bridgename.if 5 ,
+.Xr dhcp 8 ,
 .Xr gif 4 ,
 .Xr gre 4 ,
 .Xr hostname.if 5 ,
+.Xr mrouted 8 ,
 .Xr rc.conf 8 ,
 .Xr rc 8
 .Sh HISTORY