source: archive/dhcp-client.xml

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Last change on this file was 45ab6c7, checked in by Xi Ruoyao <xry111@…>, 4 months ago

more SVN prop clean up

Remove "$LastChanged$" everywhere, and also some unused $Date$

  • Property mode set to 100644
File size: 4.0 KB
Line 
1<?xml version="1.0" encoding="ISO-8859-1"?>
2<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
3 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
4 <!ENTITY % general-entities SYSTEM "../../general.ent">
5 %general-entities;
6]>
7
8<sect1 id="dhcp-client" xreflabel="DHCP-&dhcp-version; Client Configuration">
9 <?dbhtml filename="dhcpclient.html"?>
10
11 <sect1info>
12 <date>$Date$</date>
13 </sect1info>
14
15 <title>DHCP-&dhcp-version; Client Configuration</title>
16
17 <indexterm zone="dhcp-client">
18 <primary sortas="b-dhclient">dhclient</primary>
19 </indexterm>
20
21 <para>The <application>DHCP</application> package comes with
22 both a client (<command>dhclient</command>) and a server program for
23 using DHCP. If you want to install this package,
24 the instructions can be found at <xref linkend="dhcp"/>.
25 Note that if you only want to use the client, you
26 do <emphasis>not</emphasis> need to run the server and so do not need
27 the startup script and links provided for the server daemon.
28 You only need to run the DHCP server if you're providing
29 this service to a network, and it's likely that you'll know if that's the
30 case; if it isn't, don't run the server! Once you have installed the
31 package, return here for information on how to configure the client
32 (<command>dhclient</command>).</para>
33
34 <sect2 role="configuration">
35 <title>Configuring DHCP Client</title>
36
37 <para id="dhclient-service1010">To configure <command>dhclient</command>,
38 you need to first install the network service script,
39 <filename>/lib/services/dhclient</filename>
40 included in the <xref linkend="bootscripts"/> package
41 (as <systemitem class="username">root</systemitem>):</para>
42
43 <indexterm zone="dhcp-client dhclient-service1010">
44 <primary sortas="f-dhclient">dhclient (service script)</primary>
45 </indexterm>
46
47<screen role='root'><userinput>make install-service-dhclient</userinput></screen>
48
49 <para id="dhclient-config1">Next, create the
50 <filename>/etc/sysconfig/ifconfig.eth0</filename>
51 configuration file with the following commands as the <systemitem
52 class="username">root</systemitem> user. Adjust as
53 necessary for additional interfaces:</para>
54
55 <indexterm zone="dhcp-client dhclient-config1">
56 <primary sortas="e-etc-sysconfig-...-dhclient">/etc/sysconfig/ifconfig.eth0</primary>
57 </indexterm>
58
59<screen role='root'><userinput>cat &gt; /etc/sysconfig/ifconfig.eth0 &lt;&lt; "EOF"
60<literal>ONBOOT="yes"
61IFACE="eth0"
62SERVICE="dhclient"
63DHCP_START="<replaceable>&lt;add additional start parameters here&gt;</replaceable> eth0"
64DHCP_STOP="-r <replaceable>&lt;add additional stop parameters here&gt;</replaceable>"
65
66# Set PRINTIP="yes" to have the script print
67# the DHCP assigned IP address
68PRINTIP="no"
69
70# Set PRINTALL="yes" to print the DHCP assigned values for
71# IP, SM, DG, and 1st NS. This requires PRINTIP="yes".
72PRINTALL="no"</literal>
73EOF</userinput></screen>
74
75 <para>For more information on the appropriate
76 <envar>DHCP_START</envar> and <envar>DHCP_STOP</envar>
77 values, examine the man page for <command>dhclient</command>.</para>
78
79 <para id="dhclient-config2">Finally, you should create the
80 <filename>/etc/dhclient.conf</filename> file using the following commands
81 as the <systemitem class="username">root</systemitem> user:</para>
82
83 <indexterm zone="dhcp-client dhclient-config2">
84 <primary sortas="e-etc-dhclient.conf">/etc/dhclient.conf</primary>
85 </indexterm>
86
87 <note>
88 <para>You'll need to add a second interface definition to the file if you
89 have more than one interface.</para>
90 </note>
91
92<screen role='root'><userinput>cat &gt; /etc/dhclient.conf &lt;&lt; "EOF"
93<literal># dhclient.conf
94
95interface "eth0"{
96prepend domain-name-servers 127.0.0.1;
97request subnet-mask, broadcast-address, time-offset, routers,
98 domain-name, domain-name-servers, host-name;
99require subnet-mask, domain-name-servers;
100}
101# end dhclient.conf</literal>
102EOF</userinput></screen>
103
104 </sect2>
105
106</sect1>
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