[0931098] | 1 | <?xml version="1.0" encoding="ISO-8859-1"?>
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[ff769b8c] | 2 | <!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
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| 3 | "http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
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[0931098] | 4 | <!ENTITY % general-entities SYSTEM "../../general.ent">
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| 5 | %general-entities;
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| 6 |
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[8bfb60e] | 7 | <!ENTITY dhcp-download-http "http://gd.tuwien.ac.at/infosys/servers/isc/dhcp/dhcp-3.0-history/dhcp-&dhcp-version;.tar.gz">
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| 8 | <!ENTITY dhcp-download-ftp "ftp://ftp.isc.org/isc/dhcp/dhcp-3.0-history/dhcp-&dhcp-version;.tar.gz">
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[6ad98e12] | 9 | <!ENTITY dhcp-md5sum "04800a111521e7442749b2ce883f962b">
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| 10 | <!ENTITY dhcp-size "834 KB">
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| 11 | <!ENTITY dhcp-buildsize "29.7 MB">
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| 12 | <!ENTITY dhcp-time "0.22 SBU">
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[0931098] | 13 | ]>
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| 14 |
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[40330fcd] | 15 | <sect1 id="dhcp" xreflabel="DHCP-&dhcp-version;">
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[6ad98e12] | 16 | <?dbhtml filename="dhcp.html"?>
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| 17 |
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| 18 | <sect1info>
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| 19 | <othername>$LastChangedBy$</othername>
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| 20 | <date>$Date$</date>
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[a6ac43b] | 21 | <keywordset>
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| 22 | <keyword role="package">dhcp-&dhcp-version;.tar</keyword>
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[2a5310e8] | 23 | <keyword role="ftpdir">dhcp</keyword>
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[a6ac43b] | 24 | </keywordset>
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[6ad98e12] | 25 | </sect1info>
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| 26 |
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| 27 | <title>DHCP-&dhcp-version;</title>
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| 28 |
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| 29 | <indexterm zone="dhcp">
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| 30 | <primary sortas="a-dhcp">Dhcp</primary>
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| 31 | </indexterm>
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| 32 |
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| 33 | <sect2 role="package">
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| 34 | <title>Introduction to DHCP</title>
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| 35 |
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| 36 | <para>The <application>DHCP</application> package contains both the client
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| 37 | and server programs for DHCP. <command>dhclient</command> (the client) is
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| 38 | useful for connecting your computer to a network which uses DHCP to assign
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| 39 | network addresses. <command>dhcpd</command> (the server) is useful for
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| 40 | assigning network addresses on your private network.</para>
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| 41 |
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| 42 | <bridgehead renderas="sect3">Package Information</bridgehead>
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| 43 | <itemizedlist spacing="compact">
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| 44 | <listitem>
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| 45 | <para>Download (HTTP): <ulink url="&dhcp-download-http;"/></para>
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| 46 | </listitem>
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| 47 | <listitem>
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| 48 | <para>Download (FTP): <ulink url="&dhcp-download-ftp;"/></para>
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| 49 | </listitem>
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| 50 | <listitem>
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| 51 | <para>Download MD5 sum: &dhcp-md5sum;</para>
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| 52 | </listitem>
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| 53 | <listitem>
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| 54 | <para>Download size: &dhcp-size;</para>
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| 55 | </listitem>
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| 56 | <listitem>
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| 57 | <para>Estimated disk space required: &dhcp-buildsize;</para>
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| 58 | </listitem>
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| 59 | <listitem>
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| 60 | <para>Estimated build time: &dhcp-time;</para>
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| 61 | </listitem>
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| 62 | </itemizedlist>
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| 63 |
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[413bf97] | 64 | <bridgehead renderas="sect3">Additional Downloads</bridgehead>
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| 65 | <itemizedlist spacing='compact'>
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| 66 | <listitem>
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| 67 | <para>Required Patch:
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| 68 | <ulink url="&patch-root;/dhcp-&dhcp-version;-gcc_3.4.3-2.patch"/></para>
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| 69 | </listitem>
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| 70 | </itemizedlist>
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| 71 |
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[6ad98e12] | 72 | <bridgehead renderas="sect3">DHCP Dependencies</bridgehead>
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| 73 |
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| 74 | <bridgehead renderas="sect4">Required</bridgehead>
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[a6ac43b] | 75 | <para role="required"><xref linkend="net-tools"/> (you may omit
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[6ad98e12] | 76 | <application>net-tools</application> by using the following patch
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| 77 | to utilize <application>iproute2</application>:
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[61e058b] | 78 | <ulink url="&patch-root;/dhcp-&dhcp-version;-iproute2-3.patch"/>)</para>
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[6ad98e12] | 79 |
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| 80 | </sect2>
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| 81 |
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| 82 | <sect2 role="kernel" id='dhcp-kernel'>
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| 83 | <title>Kernel Configuration</title>
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| 84 |
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| 85 | <para>You must have Packet Socket support (Device Drivers -> Networking
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| 86 | Support -> Networking Options -> Packet Socket) compiled into
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| 87 | the kernel.</para>
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| 88 |
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| 89 | <indexterm zone="dhcp dhcp-kernel">
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| 90 | <primary sortas="d-dhcp">DHCP</primary>
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| 91 | </indexterm>
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| 92 |
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| 93 | </sect2>
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| 94 |
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| 95 | <sect2 role="installation">
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| 96 | <title>Installation of DHCP</title>
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| 97 |
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[bccbdaea] | 98 | <para>If you chose not to install net-tools, apply the
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[61e058b] | 99 | iproute2 patch:</para>
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| 100 |
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| 101 | <screen><userinput>patch -Np1 -i ../dhcp-&dhcp-version;-iproute2-3.patch</userinput></screen>
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| 102 |
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[6ad98e12] | 103 | <para>Install <application>DHCP</application> by running
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| 104 | the following commands:</para>
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| 105 |
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[61e058b] | 106 | <screen><userinput>patch -Np1 -i ../dhcp-&dhcp-version;-gcc_3.4.3-2.patch &&
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[fa052cc7] | 107 | ./configure &&
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[6ad98e12] | 108 | make</userinput></screen>
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| 109 |
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| 110 | <para>Now, as the <systemitem class="username">root</systemitem> user:</para>
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[04a6794] | 111 |
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[6ad98e12] | 112 | <screen role="root"><userinput>make LIBDIR=/usr/lib INCDIR=/usr/include install</userinput></screen>
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[0931098] | 113 |
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[6ad98e12] | 114 | </sect2>
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[0931098] | 115 |
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[6ad98e12] | 116 | <sect2 role="commands">
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| 117 | <title>Command Explanations</title>
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[0931098] | 118 |
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[6ad98e12] | 119 | <para><parameter>LIBDIR=/usr/lib INCDIR=/usr/include</parameter>: This
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| 120 | command installs the library and include files in
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| 121 | <filename class="directory">/usr</filename> instead of
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| 122 | <filename class="directory">/usr/local</filename>.</para>
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[0931098] | 123 |
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[6ad98e12] | 124 | </sect2>
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[0931098] | 125 |
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[6ad98e12] | 126 | <sect2 role="configuration">
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| 127 | <title>Configuring DHCP</title>
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[0931098] | 128 |
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[6ad98e12] | 129 | <sect3 id='dhcp-config'>
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| 130 | <title>Config Files</title>
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[04a6794] | 131 |
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[6ad98e12] | 132 | <para><filename>/etc/dhclient.conf</filename> and
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| 133 | <filename>/etc/dhcpd.conf</filename></para>
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[04a6794] | 134 |
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[6ad98e12] | 135 | <indexterm zone="dhcp dhcp-config">
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| 136 | <primary sortas="e-etc-dhclient.conf">/etc/dhclient.conf</primary>
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| 137 | </indexterm>
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[04a6794] | 138 |
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[6ad98e12] | 139 | <indexterm zone="dhcp dhcp-config">
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| 140 | <primary sortas="e-etc-dhcpd.conf">/etc/dhcpd.conf</primary>
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| 141 | </indexterm>
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[0931098] | 142 |
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[6ad98e12] | 143 | </sect3>
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[0931098] | 144 |
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[6ad98e12] | 145 | <sect3 id='dhcp-init'>
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| 146 | <title>Configuration Information</title>
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[0931098] | 147 |
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[6ad98e12] | 148 | <para>Information on configuring the DHCP client can be
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| 149 | found in <xref linkend="connect-dhcp"/>.</para>
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[0931098] | 150 |
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[6ad98e12] | 151 | <para>Note that you only need the DHCP server if you want to issue
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| 152 | LAN addresses over your network. The DHCP client doesn't need this
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| 153 | script to be used. Also note that this script is coded for the
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| 154 | <emphasis role="strong">eth1</emphasis> interface, which may need
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| 155 | to be modified for your hardware configuration.</para>
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[4774914f] | 156 |
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[6ad98e12] | 157 | <para>Install the <filename>/etc/rc.d/init.d/dhcp</filename>
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| 158 | init script included in the <xref linkend="intro-important-bootscripts"/>
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| 159 | package.</para>
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[04a6794] | 160 |
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[6ad98e12] | 161 | <indexterm zone="dhcp dhcp-init">
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| 162 | <primary sortas="f-dhcp">dhcpd</primary>
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| 163 | </indexterm>
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[0931098] | 164 |
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[6ad98e12] | 165 | <screen role="root"><userinput>make install-dhcp</userinput></screen>
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[0931098] | 166 |
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[6ad98e12] | 167 | <para>The lease file must exist on startup. The following command will
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| 168 | satisfy that requirement:</para>
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[0931098] | 169 |
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[6ad98e12] | 170 | <screen role="root"><userinput>touch /var/state/dhcp/dhcpd.leases</userinput></screen>
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[0931098] | 171 |
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[6ad98e12] | 172 | <para>The following commands will create a base configuration file
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| 173 | for a DHCP server. There are several options that you may want to
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| 174 | add (information that is passed back to the DHCP client) and those
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| 175 | are covered in the man pages for <filename>dhcp.conf</filename>.</para>
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| 176 |
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| 177 | <screen role="root"><userinput>cat > /etc/dhcpd.conf << "EOF"
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| 178 | <literal>default-lease-time 72000;
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[0931098] | 179 | max-lease-time 144000;
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| 180 | ddns-update-style ad-hoc;
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| 181 |
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| 182 | subnet <replaceable>[192.168.5.0]</replaceable> netmask <replaceable>[255.255.255.0]</replaceable> {
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| 183 | range <replaceable>[192.168.5.10] [192.168.5.240]</replaceable>;
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[04a6794] | 184 | option broadcast-address <replaceable>[192.168.5.255]</replaceable>;
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[0931098] | 185 | option routers <replaceable>[192.168.5.1]</replaceable>;
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[6ad98e12] | 186 | }</literal>
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| 187 | EOF</userinput></screen>
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| 188 |
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| 189 | <para>All addresses should be changed to meet your circumstance.</para>
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| 190 |
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| 191 | </sect3>
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| 192 |
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| 193 | </sect2>
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| 194 |
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| 195 | <sect2 role="content">
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| 196 | <title>Contents</title>
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| 197 |
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| 198 | <segmentedlist>
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| 199 | <segtitle>Installed Programs</segtitle>
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| 200 | <segtitle>Installed Libraries</segtitle>
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| 201 | <segtitle>Installed Directories</segtitle>
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| 202 |
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| 203 | <seglistitem>
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| 204 | <seg>dhcpd, dhcrelay, dhclient, dhclient-script, and omshell</seg>
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| 205 | <seg>bdhcpctl.a, libomapi.a</seg>
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| 206 | <seg>/var/state/dhcp, /usr/include/omapip, and /usr/include/isi-dhcp</seg>
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| 207 | </seglistitem>
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| 208 | </segmentedlist>
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| 209 |
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| 210 | <variablelist>
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| 211 | <bridgehead renderas="sect3">Short Descriptions</bridgehead>
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| 212 | <?dbfo list-presentation="list"?>
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| 213 | <?dbhtml list-presentation="table"?>
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| 214 |
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| 215 | <varlistentry id="dhclient">
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| 216 | <term><command>dhclient</command></term>
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| 217 | <listitem>
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| 218 | <para>is the implementation of the DHCP client.</para>
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| 219 | <indexterm zone="dhcp dhclient">
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| 220 | <primary sortas="b-dhclient">dhclient</primary>
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| 221 | </indexterm>
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| 222 | </listitem>
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| 223 | </varlistentry>
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| 224 |
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| 225 | <varlistentry id="dhcpd">
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| 226 | <term><command>dhcpd</command></term>
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| 227 | <listitem>
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| 228 | <para>implements Dynamic Host Configuration Protocol (DHCP) and
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| 229 | Internet Bootstrap Protocol (BOOTP) requests for network
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| 230 | addresses.</para>
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| 231 | <indexterm zone="dhcp dhcpd">
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| 232 | <primary sortas="b-dhcpd">dhcpd</primary>
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| 233 | </indexterm>
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| 234 | </listitem>
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| 235 | </varlistentry>
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| 236 |
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| 237 | <varlistentry id="dhcrelay">
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| 238 | <term><command>dhcrelay</command></term>
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| 239 | <listitem>
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| 240 | <para>provides a means to accept DHCP and BOOTP requests on a subnet
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| 241 | without a DHCP server and relay them to a DHCP server on another
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| 242 | subnet.</para>
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| 243 | <indexterm zone="dhcp dhcrelay">
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| 244 | <primary sortas="b-dhcrelay">dhcrelay</primary>
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| 245 | </indexterm>
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| 246 | </listitem>
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| 247 | </varlistentry>
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| 248 |
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| 249 | <varlistentry id="omshell">
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| 250 | <term><command>omshell</command></term>
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| 251 | <listitem>
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| 252 | <para> provides an interactive way to connect to, query, and
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| 253 | possibly change, the ISC DHCP Server's state via OMAPI, the
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| 254 | Object Management API.</para>
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| 255 | <indexterm zone="dhcp omshell">
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| 256 | <primary sortas="b-omshell">omshell</primary>
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| 257 | </indexterm>
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| 258 | </listitem>
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| 259 | </varlistentry>
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| 260 |
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| 261 | </variablelist>
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| 262 |
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| 263 | </sect2>
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[04a6794] | 264 |
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[f45b1953] | 265 | </sect1>
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