Free Windows Help Tutorials sponsored by inkjet printer cartridges dot org /title> <META HTTP-EQUIV="imagetoolbar" CONTENT="no"> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; CHARSET=ISO 8859-1"> <META name="description" Content="Hundreds of downloadable Windows help tutorials, articles and how-to guides sponsored by inkjet printer cartridges dot org."><style type="text/css">  </style> </head> <body bgcolor=#999999 vlink=blue link=blue> <span name = "INTRA" class="pg" style="top:0px; left:5px; width:714px; height:1010px"></span> <span name = "INTRA" style='top:0px; left:5px; height:1010px; width:714px' class='img'> <img src="pg0001im.png" height = "1010 width = "714" border="0"> </span> <span name = "INTRA" style='top:51px; left:568px' class="ft6"><pre><font face='Helvetica'>Connectivity:Overview</font></pre></span> <span name = "INTRA" style='top:107px; left:108px' class="ft5"><pre><font face='Arial'><b>Understanding</b> <b>DHCP</b></font></pre></span> <span name = "INTRA" style='top:213px; left:86px' class="ft3"><pre><font face='Arial'><i><b>Setting</b></i> <i><b>up</b></i> <i><b>TCP/IP</b></i> <i><b>on</b></i> <i><b>a</b></i> <i><b>network</b></i> <i><b>is</b></i> <i><b>essential</b></i> <i><b>if</b></i> <i><b>you</b></i> <i><b>wish</b></i> <i><b>to</b></i> <i><b>build</b></i> <i><b>an</b></i> <i><b>intranet.</b></i> <i><b>However,</b></i> <i><b>defining</b></i></font></pre></span> <span name = "INTRA" style='top:234px; left:94px' class="ft3"><pre><font face='Arial'><i><b>an</b></i> <i><b>addressing</b></i> <i><b>system</b></i> <i><b>and</b></i> <i><b>setting</b></i> <i><b>up</b></i> <i><b>the</b></i> <i><b>correct</b></i> <i><b>address</b></i> <i><b>on</b></i> <i><b>each</b></i> <i><b>workstation</b></i> <i><b>and</b></i> <i><b>server</b></i> <i><b>is</b></i> <i><b>far</b></i></font></pre></span> <span name = "INTRA" style='top:255px; left:158px' class="ft3"><pre><font face='Arial'><i><b>from</b></i> <i><b>trivial.</b></i> <i><b>Dynamic</b></i> <i><b>Host</b></i> <i><b>Configuration</b></i> <i><b>Protocol</b></i> <i><b>can</b></i> <i><b>be</b></i> <i><b>a</b></i> <i><b>great</b></i> <i><b>help.</b></i></font></pre></span> <span name = "INTRA" style='top:287px; left:551px' class="ft1"><pre><font face='Arial'>By Howard Richards</font></pre></span> <span name = "INTRA" style='top:347px; left:77px' class="ft0"><pre><font face='Arial'><b>W</b></font></pre></span> <span name = "INTRA" style='top:351px; left:125px' class="ft1"><pre><font face='Arial'>ith the growth of the In </font></pre></span> <span name = "INTRA" style='top:351px; left:286px' class="ft1"><pre><font face='Arial'>of time so an IP address that is not</font></pre></span> <span name = "INTRA" style='top:351px; left:466px' class="ft1"><pre><font face='Arial'>Each DHCP scope is used for a differ </font></pre></span> <span name = "INTRA" style='top:363px; left:125px' class="ft1"><pre><font face='Arial'>ternet, TCP/IP has now be </font></pre></span> <span name = "INTRA" style='top:363px; left:286px' class="ft1"><pre><font face='Arial'>used for the duration of the lease is</font></pre></span> <span name = "INTRA" style='top:363px; left:466px' class="ft1"><pre><font face='Arial'>ent TCP/IP network segment. On net </font></pre></span> <span name = "INTRA" style='top:375px; left:125px' class="ft1"><pre><font face='Arial'>come a must have protocol</font></pre></span> <span name = "INTRA" style='top:375px; left:286px' class="ft1"><pre><font face='Arial'>put back into the unallocated pool.</font></pre></span> <span name = "INTRA" style='top:375px; left:466px' class="ft1"><pre><font face='Arial'>works with routers that support</font></pre></span> <span name = "INTRA" style='top:387px; left:77px' class="ft1"><pre><font face='Arial'>for most computer networks. It pro </font></pre></span> <span name = "INTRA" style='top:387px; left:286px' class="ft1"><pre><font face='Arial'>This helps recover TCP/IP ad </font></pre></span> <span name = "INTRA" style='top:387px; left:466px' class="ft1"><pre><font face='Arial'>DHCP, extra information is added to</font></pre></span> <span name = "INTRA" style='top:399px; left:77px' class="ft1"><pre><font face='Arial'>vides a single network protocol that is</font></pre></span> <span name = "INTRA" style='top:399px; left:286px' class="ft1"><pre><font face='Arial'>dresses that are no longer used.</font></pre></span> <span name = "INTRA" style='top:399px; left:466px' class="ft1"><pre><font face='Arial'>the request by the router to tell the</font></pre></span> <span name = "INTRA" style='top:411px; left:77px' class="ft1"><pre><font face='Arial'>supported by almost every type of</font></pre></span> <span name = "INTRA" style='top:411px; left:466px' class="ft1"><pre><font face='Arial'>server which network the request</font></pre></span> <span name = "INTRA" style='top:423px; left:77px' class="ft1"><pre><font face='Arial'>computer system, a plethora of appli </font></pre></span> <span name = "INTRA" style='top:425px; left:272px' class="ft3"><pre><font face='Arial'><i><b>What</b></i> <i><b>Do</b></i> <i><b>I</b></i> <i><b>Need?</b></i></font></pre></span> <span name = "INTRA" style='top:423px; left:466px' class="ft1"><pre><font face='Arial'>came from. The DHCP server uses this</font></pre></span> <span name = "INTRA" style='top:435px; left:77px' class="ft1"><pre><font face='Arial'>cations that use it, and it is well suited</font></pre></span> <span name = "INTRA" style='top:435px; left:466px' class="ft1"><pre><font face='Arial'>information to pick an address from</font></pre></span> <span name = "INTRA" style='top:447px; left:77px' class="ft1"><pre><font face='Arial'>to both large and small networks. It's</font></pre></span> <span name = "INTRA" style='top:447px; left:286px' class="ft1"><pre><font face='Arial'>To use DHCP you need a DHCP</font></pre></span> <span name = "INTRA" style='top:447px; left:466px' class="ft1"><pre><font face='Arial'>the correct scope. The server replies to</font></pre></span> <span name = "INTRA" style='top:459px; left:77px' class="ft1"><pre><font face='Arial'>also essential if you wish to set up an</font></pre></span> <span name = "INTRA" style='top:459px; left:272px' class="ft1"><pre><font face='Arial'>server (to allocate the addresses and</font></pre></span> <span name = "INTRA" style='top:459px; left:466px' class="ft1"><pre><font face='Arial'>the client, allocating it the TCP/IP ad </font></pre></span> <span name = "INTRA" style='top:471px; left:77px' class="ft1"><pre><font face='Arial'>intranet.</font></pre></span> <span name = "INTRA" style='top:471px; left:272px' class="ft1"><pre><font face='Arial'>maintain a database) and DHCP cli </font></pre></span> <span name = "INTRA" style='top:471px; left:466px' class="ft1"><pre><font face='Arial'>dress and settings required.</font></pre></span> <span name = "INTRA" style='top:483px; left:91px' class="ft1"><pre><font face='Arial'>The downside of TCP/IP is that,</font></pre></span> <span name = "INTRA" style='top:483px; left:272px' class="ft1"><pre><font face='Arial'>ents, which will be discussed later.</font></pre></span> <span name = "INTRA" style='top:483px; left:480px' class="ft1"><pre><font face='Arial'>However, DHCP doesn't allocate</font></pre></span> <span name = "INTRA" style='top:495px; left:77px' class="ft1"><pre><font face='Arial'>unlike protocols such as IPX, it needs</font></pre></span> <span name = "INTRA" style='top:495px; left:286px' class="ft1"><pre><font face='Arial'>A DHCP server is included in Win </font></pre></span> <span name = "INTRA" style='top:495px; left:466px' class="ft1"><pre><font face='Arial'>the address permanently. It tells the</font></pre></span> <span name = "INTRA" style='top:507px; left:77px' class="ft1"><pre><font face='Arial'>addresses and configuration settings</font></pre></span> <span name = "INTRA" style='top:507px; left:272px' class="ft1"><pre><font face='Arial'>dows NT Server 3.51 and 4.0. Although</font></pre></span> <span name = "INTRA" style='top:507px; left:466px' class="ft1"><pre><font face='Arial'>client that it has leased the address</font></pre></span> <span name = "INTRA" style='top:519px; left:77px' class="ft1"><pre><font face='Arial'>to be defined on each computer or pe </font></pre></span> <span name = "INTRA" style='top:519px; left:272px' class="ft1"><pre><font face='Arial'>this article is concentrating on NT</font></pre></span> <span name = "INTRA" style='top:519px; left:466px' class="ft1"><pre><font face='Arial'>to it for a specific time period, which</font></pre></span> <span name = "INTRA" style='top:531px; left:77px' class="ft1"><pre><font face='Arial'>ripheral on the network. This can entail</font></pre></span> <span name = "INTRA" style='top:531px; left:272px' class="ft1"><pre><font face='Arial'>Server, DHCP isn't a Microsoft stand </font></pre></span> <span name = "INTRA" style='top:531px; left:466px' class="ft1"><pre><font face='Arial'>you as administrator can control. By</font></pre></span> <span name = "INTRA" style='top:543px; left:77px' class="ft1"><pre><font face='Arial'>an immense amount of system admini </font></pre></span> <span name = "INTRA" style='top:543px; left:272px' class="ft1"><pre><font face='Arial'>ard and is available from other ven </font></pre></span> <span name = "INTRA" style='top:543px; left:466px' class="ft1"><pre><font face='Arial'>default DHCP is installed with a three </font></pre></span> <span name = "INTRA" style='top:555px; left:77px' class="ft1"><pre><font face='Arial'>stration work.</font></pre></span> <span name = "INTRA" style='top:555px; left:272px' class="ft1"><pre><font face='Arial'>dors for NT (such as MetaInfo), and on</font></pre></span> <span name = "INTRA" style='top:555px; left:466px' class="ft1"><pre><font face='Arial'>day lease period. When the lease ex </font></pre></span> <span name = "INTRA" style='top:567px; left:91px' class="ft1"><pre><font face='Arial'>DHCP stands for Dynamic Host</font></pre></span> <span name = "INTRA" style='top:567px; left:272px' class="ft1"><pre><font face='Arial'>other platforms. For more information</font></pre></span> <span name = "INTRA" style='top:567px; left:466px' class="ft1"><pre><font face='Arial'>pires, the client can ask the server to</font></pre></span> <span name = "INTRA" style='top:579px; left:77px' class="ft1"><pre><font face='Arial'>Configuration Protocol, and is used to</font></pre></span> <span name = "INTRA" style='top:579px; left:272px' class="ft1"><pre><font face='Arial'>see the DHCP FAQ, which is discussed</font></pre></span> <span name = "INTRA" style='top:579px; left:466px' class="ft1"><pre><font face='Arial'>renew the lease. If the DHCP server</font></pre></span> <span name = "INTRA" style='top:591px; left:77px' class="ft1"><pre><font face='Arial'>centrally allocate and manage TCP/IP</font></pre></span> <span name = "INTRA" style='top:591px; left:272px' class="ft1"><pre><font face='Arial'>below.</font></pre></span> <span name = "INTRA" style='top:591px; left:466px' class="ft1"><pre><font face='Arial'>doesn't hear from the client beyond the</font></pre></span> <span name = "INTRA" style='top:603px; left:77px' class="ft1"><pre><font face='Arial'>configurations of client nodes. If</font></pre></span> <span name = "INTRA" style='top:603px; left:466px' class="ft1"><pre><font face='Arial'>expiry of the lease period, it will put</font></pre></span> <span name = "INTRA" style='top:615px; left:77px' class="ft1"><pre><font face='Arial'>you've got more than a handful of</font></pre></span> <span name = "INTRA" style='top:617px; left:272px' class="ft3"><pre><font face='Arial'><i><b>How</b></i> <i><b>Does</b></i> <i><b>DHCP</b></i> <i><b>Work?</b></i></font></pre></span> <span name = "INTRA" style='top:615px; left:466px' class="ft1"><pre><font face='Arial'>that address back in the pool ready to</font></pre></span> <span name = "INTRA" style='top:627px; left:77px' class="ft1"><pre><font face='Arial'>computers to manage, then DHCP can</font></pre></span> <span name = "INTRA" style='top:627px; left:466px' class="ft1"><pre><font face='Arial'>be re used.</font></pre></span> <span name = "INTRA" style='top:640px; left:77px' class="ft1"><pre><font face='Arial'>help to save a great deal of time and</font></pre></span> <span name = "INTRA" style='top:640px; left:286px' class="ft1"><pre><font face='Arial'>When a DHCP client is first</font></pre></span> <span name = "INTRA" style='top:640px; left:480px' class="ft1"><pre><font face='Arial'>When the DHCP client obtains a</font></pre></span> <span name = "INTRA" style='top:651px; left:77px' class="ft1"><pre><font face='Arial'>trouble in setting up and administer </font></pre></span> <span name = "INTRA" style='top:652px; left:272px' class="ft1"><pre><font face='Arial'>switched on, it sends a broadcast</font></pre></span> <span name = "INTRA" style='top:651px; left:466px' class="ft1"><pre><font face='Arial'>lease on an address, it knows how long</font></pre></span> <span name = "INTRA" style='top:664px; left:77px' class="ft1"><pre><font face='Arial'>ing a TCP/IP network. DHCP offers</font></pre></span> <span name = "INTRA" style='top:664px; left:272px' class="ft1"><pre><font face='Arial'>packet on the network with a DHCP</font></pre></span> <span name = "INTRA" style='top:664px; left:466px' class="ft1"><pre><font face='Arial'>the lease period is. So it knows that it</font></pre></span> <span name = "INTRA" style='top:676px; left:77px' class="ft1"><pre><font face='Arial'>the following features:</font></pre></span> <span name = "INTRA" style='top:676px; left:272px' class="ft1"><pre><font face='Arial'>request. This is picked up by a DHCP</font></pre></span> <span name = "INTRA" style='top:676px; left:466px' class="ft1"><pre><font face='Arial'>can use the address without reference</font></pre></span> <span name = "INTRA" style='top:688px; left:272px' class="ft1"><pre><font face='Arial'>server, which allocates an IP address to</font></pre></span> <span name = "INTRA" style='top:688px; left:466px' class="ft1"><pre><font face='Arial'>to the DHCP server until the lease ex </font></pre></span> <span name = "INTRA" style='top:701px; left:77px' class="ft2"><pre><font face='Arial'>G</font></pre></span> <span name = "INTRA" style='top:700px; left:92px' class="ft1"><pre><font face='Arial'>It allows you to define pools of</font></pre></span> <span name = "INTRA" style='top:700px; left:272px' class="ft1"><pre><font face='Arial'>the PC, from one of the scopes (the</font></pre></span> <span name = "INTRA" style='top:700px; left:466px' class="ft1"><pre><font face='Arial'>pires. When it does expire, it can re </font></pre></span> <span name = "INTRA" style='top:712px; left:92px' class="ft1"><pre><font face='Arial'>TCP/IP addresses, which are then</font></pre></span> <span name = "INTRA" style='top:712px; left:272px' class="ft1"><pre><font face='Arial'>pools of addresses) it has available.</font></pre></span> <span name = "INTRA" style='top:712px; left:466px' class="ft1"><pre><font face='Arial'>quest a renewal. The implication of this</font></pre></span> <span name = "INTRA" style='top:724px; left:92px' class="ft1"><pre><font face='Arial'>allocated to client PCs by the server.</font></pre></span> <span name = "INTRA" style='top:736px; left:92px' class="ft1"><pre><font face='Arial'>These pools are called scopes in</font></pre></span> <span name = "INTRA" style='top:748px; left:92px' class="ft1"><pre><font face='Arial'>DHCP terminology.</font></pre></span> <span name = "INTRA" style='top:761px; left:77px' class="ft2"><pre><font face='Arial'>G</font></pre></span> <span name = "INTRA" style='top:760px; left:92px' class="ft1"><pre><font face='Arial'>Not only are the TCP/IP addresses</font></pre></span> <span name = "INTRA" style='top:753px; left:285px' class="ft4"><pre><font face='Arial'><i> The</i> <i>downside</i> <i>of</i> <i>TCP/IP</i> <i>is</i> <i>that,</i> <i>unlike</i></font></pre></span> <span name = "INTRA" style='top:772px; left:92px' class="ft1"><pre><font face='Arial'>handed out, so are all the related</font></pre></span> <span name = "INTRA" style='top:784px; left:92px' class="ft1"><pre><font face='Arial'>configuration settings like the sub </font></pre></span> <span name = "INTRA" style='top:777px; left:283px' class="ft4"><pre><font face='Arial'><i>protocols</i> <i>such</i> <i>as</i> <i>IPX,</i> <i>it</i> <i>needs</i> <i>addresses</i></font></pre></span> <span name = "INTRA" style='top:796px; left:92px' class="ft1"><pre><font face='Arial'>net mask, default router, DNS serv </font></pre></span> <span name = "INTRA" style='top:808px; left:92px' class="ft1"><pre><font face='Arial'>er, that are required to make</font></pre></span> <span name = "INTRA" style='top:801px; left:285px' class="ft4"><pre><font face='Arial'><i>and</i> <i>configuration</i> <i>settings</i> <i>to</i> <i>be</i> <i>defined</i></font></pre></span> <span name = "INTRA" style='top:820px; left:92px' class="ft1"><pre><font face='Arial'>TCP/IP work correctly.</font></pre></span> <span name = "INTRA" style='top:833px; left:77px' class="ft2"><pre><font face='Arial'>G</font></pre></span> <span name = "INTRA" style='top:832px; left:92px' class="ft1"><pre><font face='Arial'>DHCP works across most TCP/IP</font></pre></span> <span name = "INTRA" style='top:825px; left:293px' class="ft4"><pre><font face='Arial'><i>on</i> <i>each</i> <i>computer</i> <i>or</i> <i>peripheral</i> <i>on</i> <i>the</i></font></pre></span> <span name = "INTRA" style='top:844px; left:92px' class="ft1"><pre><font face='Arial'>routers and allocates IPs according</font></pre></span> <span name = "INTRA" style='top:856px; left:92px' class="ft1"><pre><font face='Arial'>to the subnet the request came from.</font></pre></span> <span name = "INTRA" style='top:849px; left:300px' class="ft4"><pre><font face='Arial'><i>network.</i> <i>This</i> <i>can</i> <i>entail</i> <i>an</i> <i>immense</i></font></pre></span> <span name = "INTRA" style='top:868px; left:92px' class="ft1"><pre><font face='Arial'>This means you won't need to re </font></pre></span> <span name = "INTRA" style='top:880px; left:92px' class="ft1"><pre><font face='Arial'>configure a PC that is moved from</font></pre></span> <span name = "INTRA" style='top:873px; left:283px' class="ft4"><pre><font face='Arial'><i>amount</i> <i>of</i> <i>system</i> <i>administration</i> <i>work. </i></font></pre></span> <span name = "INTRA" style='top:892px; left:92px' class="ft1"><pre><font face='Arial'>one subnet to another.</font></pre></span> <span name = "INTRA" style='top:905px; left:77px' class="ft2"><pre><font face='Arial'>G</font></pre></span> <span name = "INTRA" style='top:904px; left:92px' class="ft1"><pre><font face='Arial'>Addresses can be leased for periods</font></pre></span> <span name = "INTRA" style='top:946px; left:52px' class="ft1"><pre><font face='Arial'>Issue 87 (September 1997) page 11</font></pre></span> <span name = "INTRA" style='top:946px; left:610px' class="ft1"><pre><font face='Arial'>File: C04102.1</font></pre></span> <span name = "INTRA" style='top:944px; left:261px' class="ft4"><pre><font face='Arial'><i>PC</i> <i>Network</i> <i>Advisor</i></font></pre></span> <span name = "INTRA" class='nav' style='left: 357px; top: 1010px'><pre><< < GO <a href='page0002.htm'>></a> <a href='page0004.htm'>>></a></pre></span> <span name = "INTRA" style='top:1050px; left:50px' class="ft4"><pre><b><font color="#FF0000" size="3" face="Arial">New!</font><font color="#FF0000" size="3" face="Arial Narrow"> </font><font size="2" face="Arial">The best sites for quality <a href="http://www.inkjet-printer-cartridges.org">inkjet printer cartridges</a> and the best sites for <a href="http://www.cheap-inkjet-cartridges.com">cheap inkjet cartridges</a></font></b></pre></span></body> <span name = "INTRA" style='top:1100px; left:300px' class="ft4"><pre><b><font color="#FF0000" size="3" face="Arial"><a href="../index.html">Windows Help Desk Home</a> </font></b></pre></span></body></html>