<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <HTML> <HEAD> <META NAME="GENERATOR" CONTENT="SGML-Tools 1.0.9"> <TITLE>IP Sub-Networking Mini-Howto</TITLE> <LINK HREF="IP-Subnetworking-1.html" REL=next> </HEAD> <BODY> <A HREF="IP-Subnetworking-1.html">Next</A> Previous Contents <HR> <H1>IP Sub-Networking Mini-Howto</H1> <H2>Robert Hart, <CODE>hartr@interweft.com.au</CODE></H2>v1.1, 30 August 2001 <P><HR> <EM>This document describes why and how to subnetwork an IP network - that is using a single A, B or C Class network number to function correctly on several interconnected networks. </EM> <HR> <P> <H2><A NAME="toc1">1.</A> <A HREF="IP-Subnetworking-1.html">Copyright</A></H2> <P> <H2><A NAME="toc2">2.</A> <A HREF="IP-Subnetworking-2.html">Introduction</A></H2> <UL> <LI><A HREF="IP-Subnetworking-2.html#ss2.1">2.1 Other sources of information</A> </UL> <P> <H2><A NAME="toc3">3.</A> <A HREF="IP-Subnetworking-3.html">The Anatomy of IP numbers</A></H2> <UL> <LI><A HREF="IP-Subnetworking-3.html#ss3.1">3.1 IP numbers belong to Interfaces - <B>NOT</B> hosts!</A> <LI><A HREF="IP-Subnetworking-3.html#ss3.2">3.2 IP Numbers as "Dotted Quads"</A> <LI><A HREF="IP-Subnetworking-3.html#ss3.3">3.3 Classes of IP Networks</A> <LI><A HREF="IP-Subnetworking-3.html#ss3.4">3.4 Network numbers, interface addresses and broadcast addresses</A> <LI><A HREF="IP-Subnetworking-3.html#ss3.5">3.5 The network mask</A> </UL> <P> <H2><A NAME="toc4">4.</A> <A HREF="IP-Subnetworking-4.html">What are subnets?</A></H2> <P> <H2><A NAME="toc5">5.</A> <A HREF="IP-Subnetworking-5.html">Why subnetwork?</A></H2> <P> <H2><A NAME="toc6">6.</A> <A HREF="IP-Subnetworking-6.html">How to subnetwork a IP network number</A></H2> <UL> <LI><A HREF="IP-Subnetworking-6.html#ss6.1">6.1 Setting up the physical connectivity</A> <LI><A HREF="IP-Subnetworking-6.html#ss6.2">6.2 Subnetwork sizing</A> <LI><A HREF="IP-Subnetworking-6.html#ss6.3">6.3 Calculating the subnetwork mask and network numbers</A> </UL> <P> <H2><A NAME="toc7">7.</A> <A HREF="IP-Subnetworking-7.html">Routing</A></H2> <UL> <LI><A HREF="IP-Subnetworking-7.html#ss7.1">7.1 The routing tables</A> </UL> <HR> <A HREF="IP-Subnetworking-1.html">Next</A> Previous Contents </BODY> </HTML>