1 | <?xml version="1.0" encoding="UTF-8"?>
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2 | <!--
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3 | manpage, user manual, usage: VBoxManage bandwidthctl
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4 |
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5 | Copyright (C) 2006-2020 Oracle Corporation
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6 |
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7 | This file is part of VirtualBox Open Source Edition (OSE), as
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8 | available from http://www.virtualbox.org. This file is free software;
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9 | you can redistribute it and/or modify it under the terms of the GNU
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10 | General Public License (GPL) as published by the Free Software
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11 | Foundation, in version 2 as it comes in the "COPYING" file of the
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12 | VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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13 | hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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14 | -->
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15 | <!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
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16 | "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd"[
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17 | <!ENTITY % all.entities SYSTEM "all-entities.ent">
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18 | %all.entities;
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19 | ]>
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20 | <refentry id="vboxmanage-bandwidthctl" lang="en">
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21 | <refentryinfo>
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22 | <pubdate>September 2019</pubdate>
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23 | <title>VBoxManage bandwidthctl</title>
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24 | </refentryinfo>
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25 |
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26 | <refmeta>
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27 | <refentrytitle>VBoxManage-bandwidthctl</refentrytitle>
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28 | <manvolnum>1</manvolnum>
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29 | </refmeta>
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30 |
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31 | <refnamediv>
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32 | <refname>VBoxManage-bandwidthctl</refname>
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33 | <refpurpose>manage bandwidth groups</refpurpose>
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34 | <refclass>Oracle VM VirtualBox</refclass>
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35 | </refnamediv>
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36 |
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37 | <refsynopsisdiv>
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38 | <cmdsynopsis id="synopsis-vboxmanage-bandwidthctl-add">
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39 | <!-- The 'id' is mandatory and must start with 'synopsis-'. -->
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40 | <command>VBoxManage bandwidthctl</command>
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41 | <group choice="req">
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42 | <arg choice="plain"><replaceable>uuid</replaceable></arg>
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43 | <arg choice="plain"><replaceable>vmname</replaceable></arg>
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44 | </group>
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45 | <arg choice="plain">add</arg>
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46 | <arg choice="req"><replaceable>bandwidth-group-name</replaceable></arg>
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47 | <arg choice="req">--limit=<replaceable>bandwidth-limit</replaceable>[k|m|g|K|M|G]</arg>
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48 | <arg choice="req">--type=disk|network</arg>
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49 | </cmdsynopsis>
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50 |
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51 | <cmdsynopsis id="synopsis-vboxmanage-bandwidthctl-list">
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52 | <command>VBoxManage bandwidthctl</command>
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53 | <group choice="req">
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54 | <arg choice="plain"><replaceable>uuid</replaceable></arg>
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55 | <arg choice="plain"><replaceable>vmname</replaceable></arg>
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56 | </group>
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57 | <arg choice="plain">list</arg>
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58 | <arg>--machinereadable</arg>
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59 | </cmdsynopsis>
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60 |
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61 | <cmdsynopsis id="synopsis-vboxmanage-bandwidthctl-remove">
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62 | <command>VBoxManage bandwidthctl</command>
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63 | <group choice="req">
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64 | <arg choice="plain"><replaceable>uuid</replaceable></arg>
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65 | <arg choice="plain"><replaceable>vmname</replaceable></arg>
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66 | </group>
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67 | <arg choice="plain">remove</arg>
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68 | <arg choice="req"><replaceable>bandwidth-group-name</replaceable></arg>
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69 | </cmdsynopsis>
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70 |
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71 | <cmdsynopsis id="synopsis-vboxmanage-bandwidthctl-set">
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72 | <command>VBoxManage bandwidthctl</command>
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73 | <group choice="req">
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74 | <arg choice="plain"><replaceable>uuid</replaceable></arg>
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75 | <arg choice="plain"><replaceable>vmname</replaceable></arg>
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76 | </group>
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77 | <arg choice="plain">set</arg>
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78 | <arg choice="req"><replaceable>bandwidth-group-name</replaceable></arg>
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79 | <arg choice="req">--limit=<replaceable>bandwidth-limit</replaceable>[k|m|g|K|M|G]</arg>
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80 | </cmdsynopsis>
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81 | </refsynopsisdiv>
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82 |
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83 | <refsect1>
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84 | <title>Description</title>
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85 | <para>
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86 | The <command>VBoxManage bandwidthctl</command> command enables you
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87 | to manage bandwidth groups for virtual machines (VMs). A bandwidth
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88 | group specifies the bandwidth limit for the disks or for the
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89 | network adapters of a VM.
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90 | </para>
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91 | <para>
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92 | Note that a network bandwidth limit applies only to the outbound
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93 | traffic from the VM. The inbound traffic is unlimited.
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94 | </para>
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95 | <refsect2 id="vboxmanage-bandwidthctl-add">
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96 | <title>Create a Bandwidth Group</title>
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97 | <remark role="help-copy-synopsis"/>
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98 | <para>
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99 | The <command>VBoxManage bandwidthctl add</command> command
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100 | creates a bandwidth group for the specified VM. You must specify
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101 | whether the bandwidth group is for disks or for networks, and
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102 | specify the bandwidth limit.
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103 | </para>
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104 | <variablelist>
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105 | <varlistentry>
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106 | <term><replaceable>uuid</replaceable> | <replaceable>vmname</replaceable></term>
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107 | <listitem><para>
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108 | Specifies the Universally Unique Identifier (UUID) or the
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109 | name of the VM.
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110 | </para></listitem>
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111 | </varlistentry>
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112 | <varlistentry>
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113 | <term><option><replaceable>bandwidth-group-name</replaceable></option></term>
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114 | <listitem><para>
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115 | Specifies the name of the bandwidth group.
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116 | </para></listitem>
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117 | </varlistentry>
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118 | <varlistentry>
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119 | <term><option>--type=disk|network</option></term>
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120 | <listitem><para>
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121 | Specifies the type of the bandwidth group:
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122 | <literal>disk</literal> and <literal>network</literal>.
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123 | For more information, see
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124 | <xref linkend="storage-bandwidth-limit" /> or
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125 | <xref linkend="network_bandwidth_limit" />.
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126 | </para></listitem>
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127 | </varlistentry>
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128 | <varlistentry>
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129 | <term><option>--limit=<replaceable>bandwidth-limit</replaceable>[k|m|g|K|M|G]</option></term>
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130 | <listitem><para>
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131 | Specifies the bandwidth limit for a bandwidth group. The
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132 | default unit is megabytes per second. You can modify this
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133 | value while the VM is running.
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134 | </para><para>
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135 | You can change the unit by appending one of the following
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136 | unit specifiers to the bandwidth limit:
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137 | </para><itemizedlist>
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138 | <listitem><para>
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139 | <literal>k</literal> – kilobits per second
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140 | </para></listitem>
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141 | <listitem><para>
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142 | <literal>m</literal> – megabits per second
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143 | </para></listitem>
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144 | <listitem><para>
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145 | <literal>g</literal> – gigabits per second
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146 | </para></listitem>
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147 | <listitem><para>
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148 | <literal>K</literal> – kilobytes per second
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149 | </para></listitem>
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150 | <listitem><para>
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151 | <literal>M</literal> – megabytes per second
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152 | </para></listitem>
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153 | <listitem><para>
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154 | <literal>G</literal> – gigabytes per second
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155 | </para></listitem>
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156 | </itemizedlist></listitem>
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157 | </varlistentry>
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158 | </variablelist>
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159 | </refsect2>
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160 | <refsect2 id="vboxmanage-bandwidthctl-list">
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161 | <title>List Bandwidth Groups</title>
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162 | <remark role="help-copy-synopsis"/>
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163 | <para>
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164 | The <command>VBoxManage bandwidthctl list</command> command
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165 | lists the all the bandwidth groups that have been defined for
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166 | the specified VM. Use the <option>--machinereadable</option>
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167 | option to produce the output in a machine-readable format, which
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168 | uses name-value pairs.
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169 | </para>
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170 | <variablelist>
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171 | <varlistentry>
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172 | <term><replaceable>uuid</replaceable> | <replaceable>vmname</replaceable></term>
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173 | <listitem><para>
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174 | Specifies the UUID or the name of the VM.
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175 | </para></listitem>
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176 | </varlistentry>
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177 | <varlistentry>
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178 | <term><option>--machinereadable</option></term>
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179 | <listitem><para>
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180 | Outputs the information about the bandwidth groups in
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181 | name-value pairs.
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182 | </para></listitem>
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183 | </varlistentry>
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184 | </variablelist>
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185 | </refsect2>
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186 | <refsect2 id="vboxmanage-bandwidthctl-remove">
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187 | <title>Remove a Bandwidth Group</title>
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188 | <remark role="help-copy-synopsis"/>
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189 | <para>
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190 | The <command>VBoxManage bandwidthctl remove</command> command
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191 | removes a bandwidth group.
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192 | </para>
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193 | <note>
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194 | <para>
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195 | To successfully remove a bandwidth group, ensure that it is
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196 | not referenced by any disk or adapter in the running VM.
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197 | </para>
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198 | </note>
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199 | <variablelist>
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200 | <varlistentry>
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201 | <term><replaceable>uuid</replaceable> | <replaceable>vmname</replaceable></term>
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202 | <listitem><para>
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203 | Specifies the UUID or the name of the VM.
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204 | </para></listitem>
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205 | </varlistentry>
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206 | <varlistentry>
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207 | <term><option><replaceable>bandwidth-group-name</replaceable></option></term>
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208 | <listitem><para>
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209 | Specifies the name of the bandwidth group.
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210 | </para></listitem>
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211 | </varlistentry>
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212 | </variablelist>
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213 | </refsect2>
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214 | <refsect2 id="vboxmanage-bandwidthctl-set">
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215 | <title>Modify the Bandwidth Limit of a Bandwidth Group</title>
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216 | <remark role="help-copy-synopsis"/>
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217 | <para>
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218 | The <command>VBoxManage bandwidthctl set</command> command
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219 | modifies the bandwidth limit for a bandwidth group.
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220 | </para>
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221 | <variablelist>
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222 | <varlistentry>
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223 | <term><replaceable>uuid</replaceable> | <replaceable>vmname</replaceable></term>
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224 | <listitem><para>
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225 | Specifies the UUID or the name of the VM.
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226 | </para></listitem>
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227 | </varlistentry>
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228 | <varlistentry>
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229 | <term><option><replaceable>bandwidth-group-name</replaceable></option></term>
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230 | <listitem><para>
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231 | Specifies the name of the bandwidth group.
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232 | </para></listitem>
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233 | </varlistentry>
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234 | <varlistentry>
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235 | <term><option>--limit=<replaceable>bandwidth-limit</replaceable>[k|m|g|K|M|G]</option></term>
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236 | <listitem><para>
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237 | Specifies the bandwidth limit for a bandwidth group. The
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238 | default unit is megabytes per second. You can modify this
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239 | value while the VM is running.
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240 | </para><para>
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241 | You can change the unit by appending one of the following
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242 | unit specifiers to the bandwidth limit:
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243 | </para><itemizedlist>
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244 | <listitem><para>
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245 | <literal>k</literal> – kilobits per second
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246 | </para></listitem>
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247 | <listitem><para>
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248 | <literal>m</literal> – megabits per second
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249 | </para></listitem>
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250 | <listitem><para>
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251 | <literal>g</literal> – gigabits per second
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252 | </para></listitem>
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253 | <listitem><para>
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254 | <literal>K</literal> – kilobytes per second
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255 | </para></listitem>
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256 | <listitem><para>
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257 | <literal>M</literal> – megabytes per second
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258 | </para></listitem>
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259 | <listitem><para>
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260 | <literal>G</literal> – gigabytes per second
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261 | </para></listitem>
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262 | </itemizedlist></listitem>
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263 | </varlistentry>
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264 | </variablelist>
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265 | </refsect2>
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266 | </refsect1>
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267 |
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268 | <refsect1>
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269 | <title>Examples</title>
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270 | <remark role="help-scope" condition="GLOBAL"/>
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271 | <para>
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272 | The following example shows how to use the <command>VBoxManage
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273 | bandwidthctl</command> command to create the
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274 | <literal>Limit</literal> bandwidth group and set the limit to 20
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275 | Mbps. Then use the <command>VBoxManage modifyvm</command> command
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276 | to assign this bandwidth group to the first and second adapters of
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277 | the <literal>vm1</literal> VM.
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278 | </para>
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279 | <screen>$ VBoxManage bandwidthctl "vm1" add Limit --type network --limit 20m
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280 | $ VBoxManage modifyvm "vm1" --nicbandwidthgroup1 Limit
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281 | $ VBoxManage modifyvm "vm1" --nicbandwidthgroup2 Limit</screen>
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282 | <para>
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283 | You can dynamically modify the limit of a bandwidth group while
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284 | the VM is running. The following example shows how to modify the
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285 | limit for the <literal>Limit</literal> bandwidth group from 20
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286 | Mbps to 100 kbps:
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287 | </para>
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288 | <screen>$ VBoxManage bandwidthctl "vm1" set Limit --limit 100k</screen>
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289 | <para>
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290 | The following command disables shaping for all adapters in the
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291 | <literal>Limit</literal> bandwidth group by specifying a limit of
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292 | zero (<literal>0</literal>):
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293 | </para>
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294 | <screen>$ VBoxManage bandwidthctl "vm1" set Limit --limit 0</screen>
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295 | </refsect1>
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296 | </refentry>
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