source: connect/dhcp/dhcp-client.xml@ 050d775d

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Last change on this file since 050d775d was 050d775d, checked in by Mark Hymers <markh@…>, 21 years ago

clarify dhcp client instructions

git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@304 af4574ff-66df-0310-9fd7-8a98e5e911e0

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1<sect1 id="connect-dhcp-client">
2<?dbhtml filename="dhcpclient.html" dir="connect"?>
3<title>dhcp-&dhcp-version;</title>
4
5<para>The dhcp package comes with both a client (called dhcpcd) and a
6server program for using DHCP. If you want to install this package,
7the instructions can be found at <xref linkend="dhcp"/>.
8Note that if you only want to use the client, you
9do <emphasis>not</emphasis> need to run the server and so do not need
10the startup script and links provided for the server daemon.
11You only need to run the DHCP server if you're providing this
12service to a network, and it's likely that you'll know if that's the
13case; if it isn't, don't run the server! Once you have installed the
14package, return here for information on how to configure the client
15(dhcpcd).</para>
16
17<para>To configure dhclient, you need to create two files,
18<filename>/etc/sysconfig/network-devices/ifconfig.eth0</filename> and
19<filename>/etc/dhclient.conf</filename>.</para>
20
21<para>Firstly, create the <filename>ifconfig.eth0</filename>
22file with the following commands (note that this will overwrite any
23existing file):</para>
24
25<para><screen><userinput>cd /etc/sysconfig/network-devices &amp;&amp;
26cat &gt; ifconfig.eth0 &lt;&lt; "EOF"</userinput>
27ONBOOT=yes
28DHCP_PROG=/sbin/dhclient
29DHCP_START=&lt;appropriate start parameters&gt;
30DHCP_STOP=-r
31<userinput>EOF</userinput></screen></para>
32
33<para>For more information on the apppropriate
34<userinput>DHCP_START</userinput> and <userinput>DHCP_STOP</userinput>
35values, examine the man-page for dhclient.</para>
36
37<para>Secondly you should then create
38the <filename>/etc/dhclient.conf</filename> using the following command:</para>
39
40<para><screen><userinput>cat &gt; /etc/dhclient.conf &lt;&lt; "EOF"</userinput>
41# dhclient.conf
42
43interface "eth0"{
44prepend domain-name-servers 127.0.0.1;
45request subnet-mask, broadcast-address, time-offset, routers,
46 domain-name, domain-name-servers, host-name;
47require subnet-mask, domain-name-servers;
48}
49# end dhclient.conf
50<userinput>EOF</userinput></screen></para>
51
52</sect1>
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