84 lines
5.5 KiB
HTML
84 lines
5.5 KiB
HTML
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<title>Plan for DHCP</title>
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<body id="rzakgplanning"><a name="rzakgplanning"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Plan for DHCP</h1>
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<div><p>There are several steps you must take to plan how DHCP should be
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set up for your network.</p>
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<div class="section"><p>Setting up DHCP can be a time-consuming and error-prone process
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if you have not taken the time to plan how your DHCP server should be configured.
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By taking time to think about your network setup and security concerns in
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advance, you can configure your DHCP server more efficiently. The following
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topics pose some important questions that you should consider before you configure
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DHCP in your network.</p>
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<dl><dt class="dlterm">Network topology considerations</dt>
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<dd>You can plan for the majority of the DHCP setup just by looking at your
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network topology, the devices on the network (for example, routers), and how
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you want to support your clients in DHCP.</dd>
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<dt class="dlterm">Security considerations</dt>
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<dd>The DHCP protocol is not capable of verifying that clients requesting
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IP addresses are authorized to do so. Because of the nature of DHCP's interaction
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to the network, it is important that you secure your iSeries™ server from outside clients.
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If your DHCP server is on an iSeries server that is part of a trusted internal
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network, you might be able to use <a href="../rzajb/rzajbrzajb0ippacketsecuritysd.htm">Packet rules (filtering and NAT)</a> to further secure it
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from any unauthorized parties. If your DHCP server is on an iSeries server
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that is attached to an untrusted network, such as the Internet, refer to <a href="../rzaj4/rzaj4secoverview.htm"> iSeries and
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Internet security</a>. For more security references, see the <a href="../rzahg/rzahgicsecurity.htm">Security</a> topic
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in the information center.</dd>
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</dl>
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</div>
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</div>
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<div>
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<ul class="ullinks">
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<li class="ulchildlink"><strong><a href="rzakgplanningdemands.htm">Network topology considerations</a></strong><br />
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You can plan for most of the DHCP setup by looking at your network topology, the devices on the network (for example, routers), and how you want to support your clients in DHCP.</li>
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</ul>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzakgkickoff.htm" title="Dynamic Host Configuration Protocol (DHCP) is a TCP/IP standard that uses a central server to manage IP addresses and other configuration details for an entire network.">Dynamic Host Configuration Protocol</a></div>
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</div>
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<div class="relconcepts"><strong>Related concepts</strong><br />
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<div><a href="../rzajb/rzajbrzajb0ippacketsecuritysd.htm">Packet rules (filtering and NAT)</a></div>
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<div><a href="../rzaj4/rzaj4secoverview.htm">iSeries and Internet security</a></div>
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<div><a href="../rzahg/rzahgicsecurity.htm">Security</a></div>
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</div>
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<div class="reltasks"><strong>Related tasks</strong><br />
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<div><a href="rzakgtroubleshooting.htm" title="You can view job log and trace data, as well as use troubleshooting lists for common problems.">Troubleshoot DHCP</a></div>
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</div>
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<div class="relref"><strong>Related reference</strong><br />
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<div><a href="rzakgconfiguring.htm" title="This topic provides you with instructions for setting up your DHCP server and clients, and for configuring DHCP to send dynamic updates to DNS.">Configure DHCP</a></div>
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</div>
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</div>
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</body>
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