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    <title>topic Re: Has anyone changed the MTU on a vDS with VMs running ? in ESXi Discussions</title>
    <link>https://communities.vmware.com/t5/ESXi-Discussions/Has-anyone-changed-the-MTU-on-a-vDS-with-VMs-running/m-p/2909939#M281751</link>
    <description>&lt;P&gt;Because of network rollback set on the management network you should find that no changes will be made to the management networks&amp;nbsp;&lt;A href="https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.networking.doc/GUID-88B9F893-9739-47DF-9F1B-BAF139E554D6.html" target="_blank"&gt;https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.networking.doc/GUID-88B9F893-9739-47DF-9F1B-BAF139E554D6.html&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
    <pubDate>Thu, 19 May 2022 07:37:42 GMT</pubDate>
    <dc:creator>bryanoconnor21</dc:creator>
    <dc:date>2022-05-19T07:37:42Z</dc:date>
    <item>
      <title>Has anyone changed the MTU on a vDS with VMs running ?</title>
      <link>https://communities.vmware.com/t5/ESXi-Discussions/Has-anyone-changed-the-MTU-on-a-vDS-with-VMs-running/m-p/2909859#M281733</link>
      <description>&lt;P&gt;I found this KB :&amp;nbsp;&lt;A href="https://kb.vmware.com/s/article/1038827" target="_blank" rel="noopener"&gt;https://kb.vmware.com/s/article/1038827&lt;/A&gt;&lt;/P&gt;&lt;P&gt;It says if you change the MTU to 9000 on a vDS , that it will briefly bring all the uplinks down and back up again.&lt;/P&gt;&lt;P&gt;Has anyone done this ? I am a bit concerned because everything but the iSCSI is on this vDS. I worry something will happen to the management interfaces on the connected ESXi hosts.&amp;nbsp; I can't really do a full shutdown on all the machines to make this change.&lt;/P&gt;</description>
      <pubDate>Wed, 18 May 2022 20:44:46 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/ESXi-Discussions/Has-anyone-changed-the-MTU-on-a-vDS-with-VMs-running/m-p/2909859#M281733</guid>
      <dc:creator>pmichelli</dc:creator>
      <dc:date>2022-05-18T20:44:46Z</dc:date>
    </item>
    <item>
      <title>Re: Has anyone changed the MTU on a vDS with VMs running ?</title>
      <link>https://communities.vmware.com/t5/ESXi-Discussions/Has-anyone-changed-the-MTU-on-a-vDS-with-VMs-running/m-p/2909935#M281750</link>
      <description>&lt;P&gt;I did million times, never affected production.&lt;/P&gt;&lt;P&gt;We are not using iSCSi. all the VMs are using 1500 MTU. only vMotion and vSAN traffic is using 9000.&lt;/P&gt;</description>
      <pubDate>Thu, 19 May 2022 07:29:13 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/ESXi-Discussions/Has-anyone-changed-the-MTU-on-a-vDS-with-VMs-running/m-p/2909935#M281750</guid>
      <dc:creator>aakalan</dc:creator>
      <dc:date>2022-05-19T07:29:13Z</dc:date>
    </item>
    <item>
      <title>Re: Has anyone changed the MTU on a vDS with VMs running ?</title>
      <link>https://communities.vmware.com/t5/ESXi-Discussions/Has-anyone-changed-the-MTU-on-a-vDS-with-VMs-running/m-p/2909939#M281751</link>
      <description>&lt;P&gt;Because of network rollback set on the management network you should find that no changes will be made to the management networks&amp;nbsp;&lt;A href="https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.networking.doc/GUID-88B9F893-9739-47DF-9F1B-BAF139E554D6.html" target="_blank"&gt;https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.networking.doc/GUID-88B9F893-9739-47DF-9F1B-BAF139E554D6.html&lt;/A&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;</description>
      <pubDate>Thu, 19 May 2022 07:37:42 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/ESXi-Discussions/Has-anyone-changed-the-MTU-on-a-vDS-with-VMs-running/m-p/2909939#M281751</guid>
      <dc:creator>bryanoconnor21</dc:creator>
      <dc:date>2022-05-19T07:37:42Z</dc:date>
    </item>
    <item>
      <title>Re: Has anyone changed the MTU on a vDS with VMs running ?</title>
      <link>https://communities.vmware.com/t5/ESXi-Discussions/Has-anyone-changed-the-MTU-on-a-vDS-with-VMs-running/m-p/2909954#M281754</link>
      <description>&lt;P&gt;II do this all the time during implementation of NSX - it shouldn't impact on running services. If you decided to enable jumbo frames on VDS level you must do it same in vmkernel adapter also.&lt;/P&gt;</description>
      <pubDate>Thu, 19 May 2022 08:42:26 GMT</pubDate>
      <guid>https://communities.vmware.com/t5/ESXi-Discussions/Has-anyone-changed-the-MTU-on-a-vDS-with-VMs-running/m-p/2909954#M281754</guid>
      <dc:creator>lukaszzasko</dc:creator>
      <dc:date>2022-05-19T08:42:26Z</dc:date>
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