lfs/chapter06/iproute2.xml

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<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.4//EN"
"http://www.oasis-open.org/docbook/xml/4.4/docbookx.dtd" [
<!ENTITY % general-entities SYSTEM "../general.ent">
%general-entities;
]>
<sect1 id="ch-system-iproute2" role="wrap">
<?dbhtml filename="iproute2.html"?>
<title>IPRoute2-&iproute2-version;</title>
<indexterm zone="ch-system-iproute2">
<primary sortas="a-IPRoute2">IPRoute2</primary>
</indexterm>
<sect2 role="package">
<title/>
<para>The IPRoute2 package contains programs for basic and advanced IPV4-based
networking.</para>
<segmentedlist>
<segtitle>&buildtime;</segtitle>
<segtitle>&diskspace;</segtitle>
<seglistitem>
<seg>0.2 SBU</seg>
<seg>4.8 MB</seg>
</seglistitem>
</segmentedlist>
<segmentedlist>
<segtitle>&dependencies;</segtitle>
<seglistitem>
<seg>Berkeley DB, GCC, Glibc, Make, and Linux-Headers</seg>
</seglistitem>
</segmentedlist>
</sect2>
<sect2 role="installation">
<title>Installation of IPRoute2</title>
<para>Compile the package:</para>
<screen><userinput>make SBINDIR=/sbin</userinput></screen>
<variablelist>
<title>The meaning of the make option:</title>
<varlistentry>
<term><parameter>SBINDIR=/sbin</parameter></term>
<listitem>
<para>This ensures that the IPRoute2 binaries will install into
<filename class="directory">/sbin</filename>. This is the correct
location according to the FHS, because some of the IPRoute2 binaries
are used by the LFS-Bootscripts package.</para>
</listitem>
</varlistentry>
</variablelist>
<para>This package does not come with a test suite.</para>
<para>Install the package:</para>
<screen><userinput>make SBINDIR=/sbin install</userinput></screen>
<para>The <command>arpd</command> binary links against the Berkeley DB
libraries that reside in <filename class="directory">/usr</filename> and
uses a database in <filename>/var/lib/arpd/arpd.db</filename>. Thus,
according to the FHS, it must be in <filename
class="directory">/usr/sbin</filename>. Move it there:</para>
<screen><userinput>mv -v /sbin/arpd /usr/sbin</userinput></screen>
</sect2>
<sect2 id="contents-iproute2" role="content">
<title>Contents of IPRoute2</title>
<segmentedlist>
<segtitle>Installed programs</segtitle>
<seglistitem>
<seg>arpd, ctstat (link to lnstat), ifcfg, ifstat, ip, lnstat, nstat,
routef, routel, rtacct, rtmon, rtpr, rtstat (link to lnstat), ss,
and tc.</seg>
</seglistitem>
</segmentedlist>
<variablelist>
<bridgehead renderas="sect3">Short Descriptions</bridgehead>
<?dbfo list-presentation="list"?>
<?dbhtml list-presentation="table"?>
<varlistentry id="arpd">
<term><command>arpd</command></term>
<listitem>
<para>Userspace ARP daemon, useful in really large networks, where the
kernelspace ARP implementation is insufficient, or when setting up a
honeypot</para>
<indexterm zone="ch-system-iproute2 arpd">
<primary sortas="b-arpd">arpd</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="ctstat">
<term><command>ctstat</command></term>
<listitem>
<para>Connection status utility</para>
<indexterm zone="ch-system-iproute2 ctstat">
<primary sortas="b-ctstat">ctstat</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="ifcfg">
<term><command>ifcfg</command></term>
<listitem>
<para>A shell script wrapper for the <command>ip</command> command</para>
<indexterm zone="ch-system-iproute2 ifcfg">
<primary sortas="b-ifcfg">ifcfg</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="ifstat">
<term><command>ifstat</command></term>
<listitem>
<para>Shows the interface statistics, including the amount of
transmitted and received packets by interface</para>
<indexterm zone="ch-system-iproute2 ifstat">
<primary sortas="b-ifstat">ifstat</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="ip">
<term><command>ip</command></term>
<listitem>
<para>The main executable. It has several different functions:</para>
<para><command>ip link <replaceable>[device]</replaceable></command>
allows users to look at the state of devices and to make changes</para>
<para><command>ip addr</command> allows users to look at addresses and
their properties, add new addresses, and delete old ones</para>
<para><command>ip neighbor</command> allows users to look at neighbor
bindings and their properties, add new neighbor entries, and delete
old ones</para>
<para><command>ip rule</command> allows users to look at the routing
policies and change them</para>
<para><command>ip route</command> allows users to look at the routing
table and change routing table rules</para>
<para><command>ip tunnel</command> allows users to look at the IP
tunnels and their properties, and change them</para>
<para><command>ip maddr</command> allows users to look at the multicast
addresses and their properties, and change them</para>
<para><command>ip mroute</command> allows users to set, change, or
delete the multicast routing</para>
<para><command>ip monitor</command> allows users to continously monitor
the state of devices, addresses and routes</para>
<indexterm zone="ch-system-iproute2 ip">
<primary sortas="b-ip">ip</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="lnstat">
<term><command>lnstat</command></term>
<listitem>
<para>Provides Linux network statistics. It is a generalized and more
feature-complete replacement for the old <command>rtstat</command>
program</para>
<indexterm zone="ch-system-iproute2 lnstat">
<primary sortas="b-lnstat">lnstat</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="nstat">
<term><command>nstat</command></term>
<listitem>
<para>Shows network statistics</para>
<indexterm zone="ch-system-iproute2 nstat">
<primary sortas="b-nstat">nstat</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="routef">
<term><command>routef</command></term>
<listitem>
<para>A component of <command>ip route</command>. This is for flushing
the routing tables</para>
<indexterm zone="ch-system-iproute2 routef">
<primary sortas="b-routef">routef</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="routel">
<term><command>routel</command></term>
<listitem>
<para>A component of <command>ip route</command>. This is for listing
the routing tables</para>
<indexterm zone="ch-system-iproute2 routel">
<primary sortas="b-routel">routel</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="rtacct">
<term><command>rtacct</command></term>
<listitem>
<para>Displays the contents of
<filename>/proc/net/rt_acct</filename></para>
<indexterm zone="ch-system-iproute2 rtacct">
<primary sortas="b-rtacct">rtacct</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="rtmon">
<term><command>rtmon</command></term>
<listitem>
<para>Route monitoring utility</para>
<indexterm zone="ch-system-iproute2 rtmon">
<primary sortas="b-rtmon">rtmon</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="rtpr">
<term><command>rtpr</command></term>
<listitem>
<para>Converts the output of <command>ip -o</command> back into a
readable form</para>
<indexterm zone="ch-system-iproute2 rtpr">
<primary sortas="b-rtpr">rtpr</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="rtstat">
<term><command>rtstat</command></term>
<listitem>
<para>Route status utility</para>
<indexterm zone="ch-system-iproute2 rtstat">
<primary sortas="b-rtstat">rtstat</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="ss">
<term><command>ss</command></term>
<listitem>
<para>Similar to the <command>netstat</command> command; shows active
connections</para>
<indexterm zone="ch-system-iproute2 ss">
<primary sortas="b-ss">ss</primary>
</indexterm>
</listitem>
</varlistentry>
<varlistentry id="tc">
<term><command>tc</command></term>
<listitem>
<para>Traffic Controlling Executable; this is for Quality Of Service
(QOS) and Class Of Service (COS) implementations</para>
<para><command>tc qdisc</command> allows users to setup the queueing
discipline</para>
<para><command>tc class</command> allows users to setup classes based
on the queuing discipline scheduling</para>
<para><command>tc estimator</command> allows users to estimate the
network flow into a network</para>
<para><command>tc filter</command> allows users to setup the QOS/COS
packet filtering</para>
<para><command>tc policy</command> allows users to setup the QOS/COS
policies</para>
<indexterm zone="ch-system-iproute2 ss">
<primary sortas="b-tc">tc</primary>
</indexterm>
</listitem>
</varlistentry>
</variablelist>
</sect2>
</sect1>