--- networking.20020427.xml	Sat Apr 27 16:31:17 2002
+++ networking.xml	Tue Sep  3 17:05:11 2002
@@ -143,7 +143,7 @@
 /tools/uml_net, and the daemon is uml_switch, in CVS
 /tools/uml_router.  They are both built with a plain 'make'.  Both
 need to be installed in a directory that's in your path - /usr/bin is
-recommend.  On top of that, uml_net needs to the setuid root.
+recommend.  On top of that, uml_net needs to be setuid root.
 </section>
 
 <section head="Specifying ethernet addresses">
@@ -444,7 +444,8 @@
 growling at me.
 <p/>
 The switch daemon, uml_switch, provides a mechanism for creating a
-totally virtual network with no connection to the host network.
+totally virtual network.  By default, it provides no connection to the
+host network (see -tap, below).
 <p/>
 The first thing you need to do is run the daemon.  Running it with no
 arguments will make it listen on a default pair of unix domain
@@ -456,6 +457,14 @@
 If you want it to act as a hub rather than a switch, use
 <command>-hub</command>
 <p/>
+If you want the switch to be connected to host networking (allowing the
+umls to get access to the outside world through the host), use
+<command>-tap tap0</command>
+<p/>
+Note that the tap device must be preconfigured (see "TUN/TAP with a
+preconfigured tap device", above).  If you're using a different tap
+device than tap0, specify that instead of tap0.
+<p/>
 The general format of the kernel command line switch is
 <command>
 eth<i>n</i>=daemon,<i>ethernet address</i>,<i>socket