en-US/change-sysmvmtemplate.xml

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<section id="change-sysmvmtemplate">
  <title>Changing the Default System VM Template</title>
  <para>&PRODUCT; allows you to change the default 32-bit System VM template to 64-bit one. Using
    the 64-bit template, upgrade the virtual router to manage larger number of connection in your
    network.</para>
  <orderedlist>
    <listitem>
      <para>Based on the hypervisor you use, download the 64-bit template from the following
        location:</para>
      <informaltable>
        <tgroup cols="2" align="left" colsep="1" rowsep="1">
          <colspec colwidth="1.0*" colname="1" colnum="1"/>
          <colspec colwidth="7.33*" colname="2" colnum="2"/>
          <thead>
            <row>
              <entry><para>Hypervisor</para></entry>
              <entry><para>Download Location</para></entry>
            </row>
          </thead>
          <tbody>
            <row>
              <entry><para>XenServer</para></entry>
              <entry>
                <para>http://download.cloud.com/templates/4.2/64bit/systemvmtemplate64-2013-07-15-master-xen.vhd.bz2</para></entry>
            </row>
            <row>
              <entry><para>KVM</para></entry>
              <entry>
                <para>http://download.cloud.com/templates/4.2/64bit/systemvmtemplate64-2013-07-15-master-kvm.qcow2.bz2
                </para></entry>
            </row>
          </tbody>
        </tgroup>
      </informaltable>
    </listitem>
    <listitem>
      <para>As an administrator, log in to the &PRODUCT; UI</para>
    </listitem>
    <listitem>
      <para>Register the 64 bit template. </para>
      <para>For example: KVM64bitTemplate</para>
    </listitem>
    <listitem>
      <para>While registering the template, select Routing.</para>
    </listitem>
    <listitem>
      <para>Navigate to Infrastructure > Zone > Settings. </para>
    </listitem>
    <listitem>
      <para>Set the name of the 64-bit template, KVM64bitTemplate, in the
          <parameter>router.template.kvm</parameter> global parameter.</para>
      <para>If you are using a XenServer 64-bit template, set the name in the
          <parameter>router.template.xen</parameter> global parameter.</para>
      <para>Any new virtual router created in this Zone automatically picks up this template.</para>
    </listitem>
    <listitem>
      <para>Restart the Management Server.</para>
    </listitem>
  </orderedlist>
</section>