source: connect/dhcp/dhcp-client.xml@ ff769b8c

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Last change on this file since ff769b8c was ff769b8c, checked in by Manuel Canales Esparcia <manuel@…>, 18 years ago

Updated the XML sources to use DocBook XML DTD-4.4.

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@3656 af4574ff-66df-0310-9fd7-8a98e5e911e0

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File size: 3.6 KB
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1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
3 "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6]>
7
8<sect1 id="dhcp-client" xreflabel="DHCP-&dhcp-version; Client">
9<sect1info>
10<othername>$LastChangedBy$</othername>
11<date>$Date$</date>
12</sect1info>
13<?dbhtml filename="dhcpclient.html"?>
14<title>DHCP-&dhcp-version; Client</title>
15<indexterm zone="dhcp-client">
16<primary sortas="b-dhclient">dhclient</primary></indexterm>
17
18<para>The <application><acronym>DHCP</acronym></application> package comes with
19both a client (<command>dhclient</command>) and a server program for
20using <acronym>DHCP</acronym>. If you want to install this package,
21the instructions can be found at <xref linkend="dhcp"/>.
22Note that if you only want to use the client, you
23do <emphasis>not</emphasis> need to run the server and so do not need
24the startup script and links provided for the server daemon.
25You only need to run the <acronym>DHCP</acronym> server if you're providing
26this service to a network, and it's likely that you'll know if that's the
27case; if it isn't, don't run the server! Once you have installed the
28package, return here for information on how to configure the client
29(<command>dhclient</command>).</para>
30
31<para id="dhclient-service">To configure <command>dhclient</command>, you need
32to first install the network service script,
33<filename>/etc/sysconfig/network-devices/services/dhclient</filename>
34included in the <xref linkend="intro-important-bootscripts"/> package
35(as root).</para>
36<indexterm zone="dhcp-client dhclient-service">
37<primary sortas="f-dhclient">dhclient (service script)</primary></indexterm>
38
39<screen><userinput role='root'><command>make install-service-dhclient</command></userinput></screen>
40
41<para id="dhclient-config1">Next, create the
42<filename>/etc/sysconfig/network-devices/ifconfig.eth0/dhclient</filename>
43configuration file with the following commands as the root user. Adjust as
44necessary for additional interfaces.</para>
45<indexterm zone="dhcp-client dhclient-config1">
46<primary
47sortas="e-etc-sysconfig-...-dhclient">/etc/sysconfig/.../dhclient</primary>
48</indexterm>
49
50<screen><userinput role='root'><command>install -d /etc/sysconfig/network-devices/ifconfig.eth0 &amp;&amp;
51cat &gt; /etc/sysconfig/network-devices/ifconfig.eth0/dhclient &lt;&lt; "EOF"</command>
52ONBOOT="yes"
53SERVICE="dhclient"
54DHCP_START="-q <replaceable>[add additional start parameters here]</replaceable>"
55DHCP_STOP="-q -r <replaceable>[add additional stop parameters here]</replaceable>"
56<command>EOF</command></userinput></screen>
57
58<para>For more information on the appropriate
59<envar>DHCP_START</envar> and <envar>DHCP_STOP</envar>
60values, examine the man page for <command>dhclient</command>.</para>
61
62<para id="dhclient-config2">Finally, you should create the
63<filename>/etc/dhclient.conf</filename> file using the following
64commands as the root user:</para>
65<indexterm zone="dhcp-client dhclient-config2">
66<primary sortas="e-etc-dhclient.conf">/etc/dhclient.conf</primary></indexterm>
67
68<note><para>You'll need to add a second interface definition to the file if you
69have more than one interface.</para></note>
70
71<screen><userinput role='root'><command>cat &gt; /etc/dhclient.conf &lt;&lt; "EOF"</command>
72# dhclient.conf
73
74interface "eth0"{
75prepend domain-name-servers 127.0.0.1;
76request subnet-mask, broadcast-address, time-offset, routers,
77 domain-name, domain-name-servers, host-name;
78require subnet-mask, domain-name-servers;
79}
80# end dhclient.conf
81<command>EOF</command></userinput></screen>
82
83</sect1>
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