Combine Static and Dynamic IP sections into a Basic Configuration section.
Make it clearer when ppp.linkup is required. This section still has to make it obvious how to actually use ppp once a basic configuration has been created. The next few patches will shuffle content to organize it into various advanced configuration sections.
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Dru Lavigne
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2020-12-08 03:00:23 +00:00
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1 changed files with 52 additions and 62 deletions
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@ -206,7 +206,7 @@
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</note>
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<sect2 id="userppp-staticIP">
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<title>PPP With a Static <acronym>IP</acronym> Address</title>
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<title>Basic Configuration</title>
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<indexterm>
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<primary>PPP</primary>
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@ -214,10 +214,11 @@
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addresses</secondary>
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</indexterm>
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<para>If the <acronym>ISP</acronym>, also known as the peer, has
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provided an address that does not change, edit
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<filename>/etc/ppp/ppp.conf</filename> as described in the
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example below.</para>
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<para>In order to configure a <acronym>PPP</acronym> connection,
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first edit
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<filename>/etc/ppp/ppp.conf</filename> with the dial-in
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information for the <acronym>ISP</acronym>. This file is described
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as follows:</para>
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<programlisting>1 default:
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2 set log Phase Chat LCP IPCP CCP tun command
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@ -397,20 +398,34 @@
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<varlistentry>
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<term>Line 16:</term>
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<listitem>
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<para>Sets the interface addresses. The
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<replaceable>x.x.x.x</replaceable> should be
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replaced by the static <acronym>IP</acronym> address
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that the <acronym>ISP</acronym> has allocated and
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the <replaceable>y.y.y.y</replaceable> should be
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replaced by the <acronym>IP</acronym> address of the
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<para>Sets the interface addresses. The values used
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depend upon whether a static <acronym>IP</acronym>
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address has been obtained from the
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<acronym>ISP</acronym> or if it instead negotiates
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a dynamic <acronym>IP</acronym> address during
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connection.</para>
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<para>If the
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<acronym>ISP</acronym> has allocated a static
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<acronym>IP</acronym> address and default gateway, replace
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<replaceable>x.x.x.x</replaceable> with the static
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<acronym>IP</acronym> address and replace
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<replaceable>y.y.y.y</replaceable> with the
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<acronym>IP</acronym> address of the
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default gateway. If the <acronym>ISP</acronym> has
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not provided a gateway address, use <hostid
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role="netmask">10.0.0.2/0</hostid>. When using a
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<quote>guessed</quote> address, create an entry in
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<filename>/etc/ppp/ppp.linkup</filename> as per the
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instructions in <xref linkend="userppp-dynamicIP"/>.
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If this line is omitted, <command>ppp</command>
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cannot run in <option>-auto</option> mode.</para>
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only provided a static <acronym>IP</acronym> address
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without a gateway address, replace <replaceable>y.y.y.y</replaceable> with <hostid
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role="netmask">10.0.0.2/0</hostid>.</para>
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<para>If the <acronym>IP</acronym> address changes whenever
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a connection is made, change this line
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to the following value.
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This tells &man.ppp.8; to use the
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<acronym>IP</acronym> Configuration Protocol
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(<acronym>IPCP</acronym>) to negotiate a dynamic <acronym>IP</acronym> address:</para>
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<programlisting>set ifaddr 10.0.0.1/0 10.0.0.2/0 255.255.255.255 0.0.0.0</programlisting>
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</listitem>
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</varlistentry>
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@ -423,60 +438,35 @@
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automatically be replaced with the gateway address
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specified on line 16. It is important that this
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line appears after line 16.</para>
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<para>When <option>-auto</option> mode is not used to
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start the connection, this line should be moved to
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<filename>ppp.linkup</filename>. Examples for this
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file can be found in <filename
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class="directory">/usr/share/examples/ppp/</filename>.
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However, <filename>ppp.linkup</filename> is not
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needed when running &man.ppp.8; in
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<option>-auto</option> mode as the routing table
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entries are already correct.</para>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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<sect2 id="userppp-dynamicIP">
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<title><acronym>PPP</acronym> With a Dynamic
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<acronym>IP</acronym> Address</title>
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<indexterm>
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<primary><acronym>PPP</acronym></primary>
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<secondary>with dynamic <acronym>IP</acronym>
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addresses</secondary>
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</indexterm>
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<indexterm>
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<primary>IPCP</primary>
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</indexterm>
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<para>If the <acronym>IP</acronym> address changes whenever
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a connection is made, change the <literal>set ifaddr</literal> line
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in <filename>/etc/ppp/ppp.conf</filename> to the following value.
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This tells &man.ppp.8; to use the
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<acronym>IP</acronym> Configuration Protocol
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(<acronym>IPCP</acronym>) to negotiate the <acronym>IP</acronym> address.</para>
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<programlisting>set ifaddr 10.0.0.1/0 10.0.0.2/0 255.255.255.255 0.0.0.0</programlisting>
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<para>When not running in <option>-auto</option> mode,
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create
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<filename>/etc/ppp/ppp.linkup</filename> with the following lines. This file is
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used after a connection has been established. At this
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<para>Depending upon whether &man.ppp.8; is started
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manually or automatically, a
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<filename>/etc/ppp/ppp.linkup</filename> may also need to
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be created which contains the following lines. This file
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is required when running <command>ppp</command>
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in <option>-auto</option> mode. This file is
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used after the connection has been established. At this
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point, the <acronym>IP</acronym> address will have been assigned
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and it will now be possible to add the
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routing table entries. The <literal>HISADDR</literal> line will be replaced with the
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<acronym>IP</acronym> address of the default gateway as
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negotiated using <acronym>IPCP</acronym>. Make sure that
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and it is now be possible to add the
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routing table entries. When creating this file, make sure that
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<replaceable>provider</replaceable> matches the value
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used in <filename>ppp.conf</filename>.</para>
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demonstrated in line 11 of <filename>ppp.conf</filename>.</para>
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<programlisting>provider:
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add default HISADDR</programlisting>
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</sect2>
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<para>This file is also needed when the default gateway
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address is <quote>guessed</quote> in a static
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<acronym>IP</acronym> address configuration. In this case,
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remove line 17 from <filename>ppp.conf</filename> and
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create <filename>/etc/ppp/ppp.linkup</filename> with the
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above two lines. More examples for this file can be found
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in <filename
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class="directory">/usr/share/examples/ppp/</filename>.</para>
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</sect2>
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<sect2>
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<title>Receiving Incoming Calls</title>
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