mirror of
https://github.com/Zeckmathederg/glfs.git
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1f6d0c13e3
git-svn-id: svn://svn.linuxfromscratch.org/BLFS/trunk/BOOK@23553 af4574ff-66df-0310-9fd7-8a98e5e911e0
262 lines
7.8 KiB
XML
262 lines
7.8 KiB
XML
<?xml version="1.0" encoding="ISO-8859-1"?>
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<!DOCTYPE sect1 PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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"http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd" [
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<!ENTITY % general-entities SYSTEM "../../general.ent">
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%general-entities;
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<!ENTITY bridge-download-http "&kernel-dl;/linux/utils/net/bridge-utils/bridge-utils-&bridgeutils-version;.tar.xz">
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<!ENTITY bridge-download-ftp " ">
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<!ENTITY bridge-md5sum "541ae1c50cc268056693608920e6c908">
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<!ENTITY bridge-size "32 KB">
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<!ENTITY bridge-buildsize "916 KB">
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<!ENTITY bridge-time "less than 0.1 SBU">
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]>
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<sect1 id="bridgeutils" xreflabel="bridge-utils-&bridgeutils-version;">
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<?dbhtml filename="bridge-utils.html"?>
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<sect1info>
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<othername>$LastChangedBy$</othername>
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<date>$Date$</date>
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</sect1info>
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<title>bridge-utils-&bridgeutils-version;</title>
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<indexterm zone="bridgeutils">
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<primary sortas="a-bridgeutils">bridge-utils</primary>
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</indexterm>
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<sect2 role="package">
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<title>Introduction to bridge-utils</title>
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<para>
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The <application>bridge-utils</application> package contains a utility
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needed to create and manage bridge devices. This is useful in setting up
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networks for a hosted virtual machine (VM).
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</para>
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&lfs10_checked;
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<bridgehead renderas="sect3">Package Information</bridgehead>
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<itemizedlist spacing="compact">
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<listitem>
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<para>
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Download (HTTP): <ulink url="&bridge-download-http;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download (FTP): <ulink url="&bridge-download-ftp;"/>
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</para>
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</listitem>
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<listitem>
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<para>
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Download MD5 sum: &bridge-md5sum;
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</para>
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</listitem>
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<listitem>
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<para>
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Download size: &bridge-size;
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</para>
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</listitem>
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<listitem>
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<para>
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Estimated disk space required: &bridge-buildsize;
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</para>
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</listitem>
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<listitem>
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<para>
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Estimated build time: &bridge-time;
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</para>
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</listitem>
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</itemizedlist>
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<bridgehead renderas="sect3">bridge-utils Dependencies</bridgehead>
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<bridgehead renderas="sect4">Optional (to run tests)</bridgehead>
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<para role="optional">
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<xref linkend="net-tools"/>
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</para>
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<para condition="html" role="usernotes">User Notes:
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<ulink url="&blfs-wiki;/bridge"/></para>
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</sect2>
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<sect2 role="kernel" id='bridgeutils-kernel'>
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<title>Kernel Configuration</title>
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<para>
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Enable the following options in the kernel configuration
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and recompile the kernel if necessary:
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</para>
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<screen><literal>[*] Networking support ---> [CONFIG_NET]
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Networking options --->
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<*/M> 802.1d Ethernet Bridging [CONFIG_BRIDGE]</literal></screen>
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<indexterm zone="bridgeutils bridgeutils-kernel">
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<primary sortas="d-bridgeutils">Bridge Utilities</primary>
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</indexterm>
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</sect2>
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<sect2 role="installation">
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<title>Installation of bridge-utils</title>
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<para>
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Install <application>bridge-utils</application> by running the following
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commands:
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</para>
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<screen><userinput>autoconf &&
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./configure --prefix=/usr &&
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make</userinput></screen>
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<para>
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Testing the results requires running the six shell scripts in
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the <filename class='directory'>tools/</filename> directory.
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Two of the tests require two ethernet ports. Some tests
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will not preserve the current network configuration. See
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<filename>tests/README</filename> for details.
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</para>
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<para>
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Now, as the <systemitem class="username">root</systemitem> user:
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</para>
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<screen role="root"><userinput>make install</userinput></screen>
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</sect2>
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<sect2 role="configuration" revision="sysv">
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<title>Configuring bridge-utils</title>
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<sect3 id='bridgeutils-init'>
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<title>Configuration Information</title>
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<para>
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To automate bridge creation and configuration,
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install the <filename>/lib/services/etc/bridge</filename>
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service script included in the <xref linkend="bootscripts"/>
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package.
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</para>
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<indexterm zone="bridgeutils bridgeutils-init">
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<primary sortas="f-bridgeutils">bridge-utils</primary>
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</indexterm>
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<screen role="root"><userinput>make install-service-bridge</userinput></screen>
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<note>
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<para>
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The <filename>bridge</filename> script depends
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on the commands <command>/sbin/ifup</command> and
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<command>/sbin/ifdown</command> and the service script
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<emphasis>ipv4-static</emphasis> from the <emphasis>LFS</emphasis>
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bootscripts dated January 27, 2012 or later.
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</para>
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</note>
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<para>
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The following configuration file will create a bridge device at
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boot time and attach the eth0 device to it. If more than one device is
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desired, use a space separated list of INTERFACE_COMPONENTS. This
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configuration is useful when planning to run a virtual machine such as
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kvm/qemu.
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</para>
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<para>
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Other SERVICE combinations are possible, for example,
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SERVICES="bridge dhcp". In that case, the address parameters
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are not needed, but do not interfere if present. The
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bridge service may also be used alone, but will require
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additional subsequent configuration.
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</para>
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<caution>
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<para>
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Do not run a parallel configuration for a device in the
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INTERFACE_COMPONENTS list. For instance, in the example below, do not
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configure <filename>/etc/sysconfig/ifconfig.eth0</filename> to run at
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boot time. The command <command>ifdown br0</command> followed by
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command <command>ifup eth0</command> will work, but don't try to have
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both up at the same time.
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</para>
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</caution>
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<screen role="root"><userinput>cat > /etc/sysconfig/ifconfig.br0 << "EOF"
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<literal>ONBOOT=yes
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IFACE=br0
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VIRTINT=yes
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SERVICE="bridge ipv4-static" # Space separated
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IP=192.168.1.32
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GATEWAY=192.168.1.1
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PREFIX=24
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BROADCAST=192.168.1.255
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CHECK_LINK=no # Don't check before bridge is created
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STP=no # Spanning tree protocol, default no
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INTERFACE_COMPONENTS="eth0" # Add to IFACE, space separated devices
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IP_FORWARD=true</literal>
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EOF</userinput></screen>
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<para>
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All addresses should be changed to meet your circumstance.
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</para>
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</sect3>
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</sect2>
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<!-- There is a whole page about bridging for systemd in the "Connecting to
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a network" chapter
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<sect2 role="configuration" revision="systemd">
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<title>Configuring bridge-utils</title>
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<sect3 id='bridgeutils-init-systemd'>
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<title>Configuration Information</title>
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<para>
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TBA
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</para>
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</sect3>
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</sect2>
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-->
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<sect2 role="content">
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<title>Contents</title>
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<segmentedlist>
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<segtitle>Installed Program</segtitle>
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<segtitle>Installed Libraries</segtitle>
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<segtitle>Installed Directories</segtitle>
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<seglistitem>
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<seg>brctl</seg>
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<seg>None</seg>
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<seg>None</seg>
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</seglistitem>
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</segmentedlist>
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<variablelist>
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<bridgehead renderas="sect3">Short Descriptions</bridgehead>
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<?dbfo list-presentation="list"?>
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<?dbhtml list-presentation="table"?>
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<varlistentry id="brctl">
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<term><command>brctl</command></term>
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<listitem>
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<para>
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is a program used to set up, maintain, and inspect the
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ethernet bridge configuration in the linux kernel.
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</para>
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<indexterm zone="bridgeutils brctl">
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<primary sortas="b-brctl">brctl</primary>
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</indexterm>
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</listitem>
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</varlistentry>
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</variablelist>
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</sect2>
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</sect1>
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