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1<?xml version="1.0" encoding="UTF-8"?>
2<!--
3 manpage, user manual, usage: VBoxManage bandwidthctl
4-->
5<!--
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16<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN"
17 "http://www.oasis-open.org/docbook/xml/4.5/docbookx.dtd"[
18<!ENTITY % all.entities SYSTEM "all-entities.ent">
19%all.entities;
20]>
21<refentry id="vboxmanage-bandwidthctl" lang="en">
22 <refentryinfo>
23 <pubdate>$Date: 2022-08-18 17:27:14 +0000 (Thu, 18 Aug 2022) $</pubdate>
24 <title>VBoxManage bandwidthctl</title>
25 </refentryinfo>
26
27 <refmeta>
28 <refentrytitle>VBoxManage-bandwidthctl</refentrytitle>
29 <manvolnum>1</manvolnum>
30 </refmeta>
31
32 <refnamediv>
33 <refname>VBoxManage-bandwidthctl</refname>
34 <refpurpose>manage bandwidth groups</refpurpose>
35 <refclass>&product-name;</refclass>
36 </refnamediv>
37
38 <refsynopsisdiv>
39 <cmdsynopsis id="synopsis-vboxmanage-bandwidthctl-add">
40<!-- The 'id' is mandatory and must start with 'synopsis-'. -->
41 <command>VBoxManage bandwidthctl</command>
42 <group choice="req">
43 <arg choice="plain"><replaceable>uuid</replaceable></arg>
44 <arg choice="plain"><replaceable>vmname</replaceable></arg>
45 </group>
46 <arg choice="plain">add</arg>
47 <arg choice="req"><replaceable>bandwidth-group-name</replaceable></arg>
48 <arg choice="req">--limit=<replaceable>bandwidth-limit</replaceable>[k|m|g|K|M|G]</arg>
49 <arg choice="req">--type=disk|network</arg>
50 </cmdsynopsis>
51
52 <cmdsynopsis id="synopsis-vboxmanage-bandwidthctl-list">
53 <command>VBoxManage bandwidthctl</command>
54 <group choice="req">
55 <arg choice="plain"><replaceable>uuid</replaceable></arg>
56 <arg choice="plain"><replaceable>vmname</replaceable></arg>
57 </group>
58 <arg choice="plain">list</arg>
59 <arg>--machinereadable</arg>
60 </cmdsynopsis>
61
62 <cmdsynopsis id="synopsis-vboxmanage-bandwidthctl-remove">
63 <command>VBoxManage bandwidthctl</command>
64 <group choice="req">
65 <arg choice="plain"><replaceable>uuid</replaceable></arg>
66 <arg choice="plain"><replaceable>vmname</replaceable></arg>
67 </group>
68 <arg choice="plain">remove</arg>
69 <arg choice="req"><replaceable>bandwidth-group-name</replaceable></arg>
70 </cmdsynopsis>
71
72 <cmdsynopsis id="synopsis-vboxmanage-bandwidthctl-set">
73 <command>VBoxManage bandwidthctl</command>
74 <group choice="req">
75 <arg choice="plain"><replaceable>uuid</replaceable></arg>
76 <arg choice="plain"><replaceable>vmname</replaceable></arg>
77 </group>
78 <arg choice="plain">set</arg>
79 <arg choice="req"><replaceable>bandwidth-group-name</replaceable></arg>
80 <arg choice="req">--limit=<replaceable>bandwidth-limit</replaceable>[k|m|g|K|M|G]</arg>
81 </cmdsynopsis>
82 </refsynopsisdiv>
83
84 <refsect1>
85 <title>Description</title>
86 <para>
87 The <command>VBoxManage bandwidthctl</command> command enables you
88 to manage bandwidth groups for virtual machines (VMs). A bandwidth
89 group specifies the bandwidth limit for the disks or for the
90 network adapters of a VM.
91 </para>
92 <para>
93 Note that a network bandwidth limit applies only to the outbound
94 traffic from the VM. The inbound traffic is unlimited.
95 </para>
96 <refsect2 id="vboxmanage-bandwidthctl-add">
97 <title>Create a Bandwidth Group</title>
98 <remark role="help-copy-synopsis"/>
99 <para>
100 The <command>VBoxManage bandwidthctl add</command> command
101 creates a bandwidth group for the specified VM. You must specify
102 whether the bandwidth group is for disks or for networks, and
103 specify the bandwidth limit.
104 </para>
105 <variablelist>
106 <varlistentry>
107 <term><replaceable>uuid</replaceable> | <replaceable>vmname</replaceable></term>
108 <listitem><para>
109 Specifies the Universally Unique Identifier (UUID) or the
110 name of the VM.
111 </para></listitem>
112 </varlistentry>
113 <varlistentry>
114 <term><option><replaceable>bandwidth-group-name</replaceable></option></term>
115 <listitem><para>
116 Specifies the name of the bandwidth group.
117 </para></listitem>
118 </varlistentry>
119 <varlistentry>
120 <term><option>--type=disk|network</option></term>
121 <listitem><para>
122 Specifies the type of the bandwidth group:
123 <literal>disk</literal> and <literal>network</literal>.
124 For more information, see
125 <xref linkend="storage-bandwidth-limit" /> or
126 <xref linkend="network_bandwidth_limit" />.
127 </para></listitem>
128 </varlistentry>
129 <varlistentry>
130 <term><option>--limit=<replaceable>bandwidth-limit</replaceable>[k|m|g|K|M|G]</option></term>
131 <listitem><para>
132 Specifies the bandwidth limit for a bandwidth group. The
133 default unit is megabytes per second. You can modify this
134 value while the VM is running.
135 </para><para>
136 You can change the unit by appending one of the following
137 unit specifiers to the bandwidth limit:
138 </para><itemizedlist>
139 <listitem><para>
140 <literal>k</literal> &ndash; kilobits per second
141 </para></listitem>
142 <listitem><para>
143 <literal>m</literal> &ndash; megabits per second
144 </para></listitem>
145 <listitem><para>
146 <literal>g</literal> &ndash; gigabits per second
147 </para></listitem>
148 <listitem><para>
149 <literal>K</literal> &ndash; kilobytes per second
150 </para></listitem>
151 <listitem><para>
152 <literal>M</literal> &ndash; megabytes per second
153 </para></listitem>
154 <listitem><para>
155 <literal>G</literal> &ndash; gigabytes per second
156 </para></listitem>
157 </itemizedlist></listitem>
158 </varlistentry>
159 </variablelist>
160 </refsect2>
161 <refsect2 id="vboxmanage-bandwidthctl-list">
162 <title>List Bandwidth Groups</title>
163 <remark role="help-copy-synopsis"/>
164 <para>
165 The <command>VBoxManage bandwidthctl list</command> command
166 lists the all the bandwidth groups that have been defined for
167 the specified VM. Use the <option>--machinereadable</option>
168 option to produce the output in a machine-readable format, which
169 uses name-value pairs.
170 </para>
171 <variablelist>
172 <varlistentry>
173 <term><replaceable>uuid</replaceable> | <replaceable>vmname</replaceable></term>
174 <listitem><para>
175 Specifies the UUID or the name of the VM.
176 </para></listitem>
177 </varlistentry>
178 <varlistentry>
179 <term><option>--machinereadable</option></term>
180 <listitem><para>
181 Outputs the information about the bandwidth groups in
182 name-value pairs.
183 </para></listitem>
184 </varlistentry>
185 </variablelist>
186 </refsect2>
187 <refsect2 id="vboxmanage-bandwidthctl-remove">
188 <title>Remove a Bandwidth Group</title>
189 <remark role="help-copy-synopsis"/>
190 <para>
191 The <command>VBoxManage bandwidthctl remove</command> command
192 removes a bandwidth group.
193 </para>
194 <note>
195 <para>
196 To successfully remove a bandwidth group, ensure that it is
197 not referenced by any disk or adapter in the running VM.
198 </para>
199 </note>
200 <variablelist>
201 <varlistentry>
202 <term><replaceable>uuid</replaceable> | <replaceable>vmname</replaceable></term>
203 <listitem><para>
204 Specifies the UUID or the name of the VM.
205 </para></listitem>
206 </varlistentry>
207 <varlistentry>
208 <term><option><replaceable>bandwidth-group-name</replaceable></option></term>
209 <listitem><para>
210 Specifies the name of the bandwidth group.
211 </para></listitem>
212 </varlistentry>
213 </variablelist>
214 </refsect2>
215 <refsect2 id="vboxmanage-bandwidthctl-set">
216 <title>Modify the Bandwidth Limit of a Bandwidth Group</title>
217 <remark role="help-copy-synopsis"/>
218 <para>
219 The <command>VBoxManage bandwidthctl set</command> command
220 modifies the bandwidth limit for a bandwidth group.
221 </para>
222 <variablelist>
223 <varlistentry>
224 <term><replaceable>uuid</replaceable> | <replaceable>vmname</replaceable></term>
225 <listitem><para>
226 Specifies the UUID or the name of the VM.
227 </para></listitem>
228 </varlistentry>
229 <varlistentry>
230 <term><option><replaceable>bandwidth-group-name</replaceable></option></term>
231 <listitem><para>
232 Specifies the name of the bandwidth group.
233 </para></listitem>
234 </varlistentry>
235 <varlistentry>
236 <term><option>--limit=<replaceable>bandwidth-limit</replaceable>[k|m|g|K|M|G]</option></term>
237 <listitem><para>
238 Specifies the bandwidth limit for a bandwidth group. The
239 default unit is megabytes per second. You can modify this
240 value while the VM is running.
241 </para><para>
242 You can change the unit by appending one of the following
243 unit specifiers to the bandwidth limit:
244 </para><itemizedlist>
245 <listitem><para>
246 <literal>k</literal> &ndash; kilobits per second
247 </para></listitem>
248 <listitem><para>
249 <literal>m</literal> &ndash; megabits per second
250 </para></listitem>
251 <listitem><para>
252 <literal>g</literal> &ndash; gigabits per second
253 </para></listitem>
254 <listitem><para>
255 <literal>K</literal> &ndash; kilobytes per second
256 </para></listitem>
257 <listitem><para>
258 <literal>M</literal> &ndash; megabytes per second
259 </para></listitem>
260 <listitem><para>
261 <literal>G</literal> &ndash; gigabytes per second
262 </para></listitem>
263 </itemizedlist></listitem>
264 </varlistentry>
265 </variablelist>
266 </refsect2>
267 </refsect1>
268
269 <refsect1>
270 <title>Examples</title>
271 <remark role="help-scope" condition="GLOBAL"/>
272 <para>
273 The following example shows how to use the <command>VBoxManage
274 bandwidthctl</command> command to create the
275 <literal>Limit</literal> bandwidth group and set the limit to 20
276 Mbps. Then use the <command>VBoxManage modifyvm</command> command
277 to assign this bandwidth group to the first and second adapters of
278 the <literal>vm1</literal> VM.
279 </para>
280<screen>$ VBoxManage bandwidthctl "vm1" add Limit --type network --limit 20m
281$ VBoxManage modifyvm "vm1" --nicbandwidthgroup1 Limit
282$ VBoxManage modifyvm "vm1" --nicbandwidthgroup2 Limit</screen>
283 <para>
284 You can dynamically modify the limit of a bandwidth group while
285 the VM is running. The following example shows how to modify the
286 limit for the <literal>Limit</literal> bandwidth group from 20
287 Mbps to 100 kbps:
288 </para>
289<screen>$ VBoxManage bandwidthctl "vm1" set Limit --limit 100k</screen>
290 <para>
291 The following command disables shaping for all adapters in the
292 <literal>Limit</literal> bandwidth group by specifying a limit of
293 zero (<literal>0</literal>):
294 </para>
295<screen>$ VBoxManage bandwidthctl "vm1" set Limit --limit 0</screen>
296 </refsect1>
297</refentry>
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