Add graphical figures for the network diagrams in the ISDN section.

Submitted by:	G. Adam Stanislav

en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml

@@ -1,7 +1,7 @@
 <!--
      The FreeBSD Documentation Project
 
-     $FreeBSD: doc/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml,v 1.45 2001/06/21 17:20:55 murray Exp $
+     $FreeBSD: doc/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml,v 1.46 2001/06/23 22:46:15 murray Exp $
 -->
 
 <chapter id="advanced-networking">
@@ -1267,8 +1267,13 @@ hostname myclient.mydomain</programlisting>
 	<para>Network is 10 Base T Ethernet.  Connect router to network cable
 	  with AUI/10BT transceiver, if necessary.</para>
 
-	<!-- This should be a graphic -->
+        <mediaobject>
-	<programlisting>---Sun workstation     
+          <imageobject>
+            <imagedata fileref="advanced-networking/isdn-bus">
+          </imageobject>
+
+	  <textobject>
+	    <literallayout class="monospaced">---Sun workstation     
 |
 ---FreeBSD box
 |
@@ -1276,7 +1281,13 @@ hostname myclient.mydomain</programlisting>
 |
 Stand-alone router
    |
-ISDN BRI line</programlisting>
+ISDN BRI line</literallayout>
+          </textobject>
+
+	  <textobject>
+	    <phrase>10 Base T Ethernet</phrase>
+	  </textobject>
+	</mediaobject>
 
 	<para>If your home/branch office is only one computer you can use a
 	  twisted pair crossover cable to connect to the stand-alone router
@@ -1288,8 +1299,13 @@ ISDN BRI line</programlisting>
 
 	<para>Network is Twisted Pair Ethernet.</para>
 
-	<!-- This should be a graphic -->
+        <mediaobject>
-	<programlisting>    -------Novell Server
+          <imageobject>
+            <imagedata fileref="advanced-networking/isdn-twisted-pair">
+          </imageobject>
+
+	  <textobject>
+	    <literallayout class="monospaced">    -------Novell Server
     | H |
     |   ---Sun      
     |   |
@@ -1299,7 +1315,13 @@ ISDN BRI line</programlisting>
     | B |
     |___---Stand-alone router
                 |
-        ISDN BRI line</programlisting>
+        ISDN BRI line</literallayout>
+	  </textobject>
+
+	  <textobject>
+	    <phrase>ISDN Network Diagram</phrase>
+	  </textobject>
+	</mediaobject>
       </example>
       
       <para>One large advantage of most routers/bridges is that they allow you
@@ -2944,7 +2966,7 @@ dhcp_flags=""</programlisting>
       <sect3>
         <title><filename>/etc/namedb/named.conf</filename></title>
 
-        <programlisting>// $FreeBSD: doc/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml,v 1.45 2001/06/21 17:20:55 murray Exp $
+        <programlisting>// $FreeBSD: doc/en_US.ISO8859-1/books/handbook/advanced-networking/chapter.sgml,v 1.46 2001/06/23 22:46:15 murray Exp $
 //
 // Refer to the named(8) man page for details.  If you are ever going
 // to setup a primary server, make sure you've understood the hairy

en_US.ISO8859-1/books/handbook/advanced-networking/isdn-bus.eps

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