en-US/change-network-offering-on-guest-network.xml

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<section id="change-network-offering-on-guest-network">
  <title>Changing the Network Offering on a Guest Network</title>
  <para>A user or administrator can change the network offering that is associated with an existing
    guest network.</para>
  <orderedlist>
    <listitem>
      <para>Log in to the &PRODUCT; UI as an administrator or end user. </para>
    </listitem>
    <listitem>
      <para>If you are changing from a network offering that uses the &PRODUCT; virtual router to
        one that uses external devices as network service providers, you must first stop all the VMs
        on the network.</para>
    </listitem>
    <listitem>
      <para>In the left navigation, choose Network.</para>
    </listitem>
    <listitem>
      <para>Click the name of the network you want to modify.</para>
    </listitem>
    <listitem>
      <para>In the Details tab, click Edit.<inlinemediaobject>
          <imageobject>
            <imagedata fileref="./images/edit-icon.png"/>
          </imageobject>
          <textobject>
            <phrase>EditButton.png: button to edit a network</phrase>
          </textobject>
        </inlinemediaobject></para>
    </listitem>
    <listitem>
      <para>In Network Offering, choose the new network offering, then click Apply.</para>
      <para>A prompt is displayed asking whether you want to keep the existing CIDR. This is to let
        you know that if you change the network offering, the CIDR will be affected.</para>
      <para>If you upgrade between virtual router as a provider and an external network device as
        provider, acknowledge the change of CIDR to continue, so choose Yes.</para>
    </listitem>
    <listitem>
      <para>Wait for the update to complete. Don’t try to restart VMs until the network change is
        complete.</para>
    </listitem>
    <listitem>
      <para>If you stopped any VMs, restart them.</para>
    </listitem>
  </orderedlist>
</section>