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Copy file name to clipboardExpand all lines: articles/azure-vmware/configure-dhcp-azure-vmware-solution.md
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title: Configure DHCP for Azure VMware Solution
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description: Learn how to configure DHCP by using either NSX-T Manager to host a DHCP server or use a third-party external DHCP server.
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description: Learn how to configure DHCP by using either NSX Manager to host a DHCP server or use a third-party external DHCP server.
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ms.topic: how-to
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ms.custom: engagement-fy23
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ms.service: azure-vmware
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ms.date: 12/05/2023
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# Customer intent: As an Azure service administrator, I want to configure DHCP by using either NSX-T Manager to host a DHCP server or use a third-party external DHCP server.
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ms.date: 6/12/2024
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# Customer intent: As an Azure service administrator, I want to configure DHCP by using either NSX Manager to host a DHCP server or use a third-party external DHCP server.
In this article, learn how to use NSX-T Manager to configure DHCP for Azure VMware Solution in one of the following ways:
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In this article, learn how to use NSX Manager to configure DHCP for Azure VMware Solution in one of the following ways:
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-[Use the Azure portal to create a DHCP server or relay](#use-the-azure-portal-to-create-a-dhcp-server-or-relay)
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-[Use NSX-T Data Center to host your DHCP server](#use-nsx-t-data-center-to-host-your-dhcp-server)
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-[Use NSXto host your DHCP server](#use-nsx-to-host-your-dhcp-server)
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-[Use a third-party external DHCP server](#use-a-third-party-external-dhcp-server)
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>[!TIP]
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>If you want to configure DHCP using a simplified view of NSX-T Data Center operations, see [Configure DHCP for Azure VMware Solution](configure-dhcp-azure-vmware-solution.md).
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>If you want to configure DHCP using a simplified view of NSX operations, see [Configure DHCP for Azure VMware Solution](configure-dhcp-azure-vmware-solution.md).
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>[!IMPORTANT]
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>For clouds created on or after July 1, 2021, the simplified view of NSX-T Data Center operations must be used to configure DHCP on the default Tier-1 Gateway in your environment.
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>For clouds created on or after July 1, 2021, the simplified view of NSX operations must be used to configure DHCP on the default Tier-1 Gateway in your environment.
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>
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>DHCP does not work for virtual machines (VMs) on the VMware HCX L2 stretch network when the DHCP server is in the on-premises datacenter. NSX-T Data Center, by default, blocks all DHCP requests from traversing the L2 stretch. For the solution, see the [Configure DHCP on L2 stretched VMware HCX networks](configure-l2-stretched-vmware-hcx-networks.md) procedure.
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>DHCP does not work for virtual machines (VMs) on the VMware HCX L2 stretch network when the DHCP server is in the on-premises datacenter. NSX, by default, blocks all DHCP requests from traversing the L2 stretch. For the solution, see the [Configure DHCP on L2 stretched VMware HCX networks](configure-l2-stretched-vmware-hcx-networks.md) procedure.
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## Use the Azure portal to create a DHCP server or relay
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:::image type="content" source="media/networking/add-dhcp-server-relay.png" alt-text="Screenshot showing how to add a DHCP server or DHCP relay in Azure VMware Solutions.":::
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4. Complete the DHCP configuration by [providing DHCP ranges on the logical segments](tutorial-nsx-t-network-segment.md#use-azure-portal-to-add-an-nsx-t-data-center-network-segment) and then select **OK**.
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4. Complete the DHCP configuration by [providing DHCP ranges on the logical segments](tutorial-nsx-t-network-segment.md#use-azure-portal-to-add-an-nsx-network-segment) and then select **OK**.
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## Use NSX-T Data Center to host your DHCP server
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If you want to use NSX-T Data Center to host your DHCP server, create a DHCP server and a relay service. Next add a network segment and specify the DHCP IP address range.
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## Use NSX to host your DHCP server
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If you want to use NSX to host your DHCP server, create a DHCP server and a relay service. Next add a network segment and specify the DHCP IP address range.
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### Create a DHCP server
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1. In NSX-T Manager, select **Networking** > **DHCP**, then select **Add DHCP Profile**.
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1. In NSX Manager, select **Networking** > **DHCP**, then select **Add DHCP Profile**.
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1. Select **Add DHCP Profile**, enter a name, and select **Save**. NOTE: An IP address isn't required so if none is entered, NSX-T Manager sets one.
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1. Select **Add DHCP Profile**, enter a name, and select **Save**. NOTE: An IP address isn't required so if none is entered, NSX Manager sets one.
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:::image type="content" source="./media/manage-dhcp/dhcp-server-settings.png" alt-text="Screenshot showing how to add a DHCP Profile in NSX-T Manager." border="true":::
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:::image type="content" source="./media/manage-dhcp/dhcp-server-settings.png" alt-text="Screenshot showing how to add a DHCP Profile in NSX Manager." border="true":::
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1. Under **Networking** > **Tier-1 Gateways**, select the gateway where the segments are connected that DHCP is required. Edit the Tier-1 Gateway by clicking on the three ellipses and choose **Edit**.
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1. Select **Set DHCP Configuration**, select **DHCP Server** and then select the DHCP Server Profile created earlier. Select **Save**, then **Close Editing**.
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:::image type="content" source="./media/manage-dhcp/edit-tier-1-gateway.png" alt-text="Screenshot showing how to edit the NSX-T Data Center Tier-1 Gateway for using a DHCP server." border="true":::
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:::image type="content" source="./media/manage-dhcp/edit-tier-1-gateway.png" alt-text="Screenshot showing how to edit the NSX Tier-1 Gateway for using a DHCP server." border="true":::
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1. Navigate to **Networking** > **Segments** and find the segment where DHCP is required. Select on **Edit** then **Set DHCP Config**.
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1. Select **Gateway DHCP Server** for DHCP Type, add a DHCP range, and select **Apply**.
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:::image type="content" source="./media/manage-dhcp/add-subnet.png" alt-text="Screenshot showing how to add a subnet to the NSX-T Data Center Tier-1 Gateway for using a DHCP server." border="true":::
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:::image type="content" source="./media/manage-dhcp/add-subnet.png" alt-text="Screenshot showing how to add a subnet to the NSX Tier-1 Gateway for using a DHCP server." border="true":::
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### Add a network segment
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>[!NOTE]
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>The IP address range shouldn't overlap with the IP range used in other virtual networks in your subscription and on-premises networks.
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1. In NSX-T Manager, select **Networking** > **Segments**.
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1. In NSX Manager, select **Networking** > **Segments**.
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1. Select the vertical ellipsis on the segment name and select **Edit**.
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## Use a third-party external DHCP server
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If you want to use a third-party external DHCP server, create a DHCP relay service in NSX-T Manager. You need to specify the DHCP IP address range.
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If you want to use a third-party external DHCP server, create a DHCP relay service in NSX Manager. You need to specify the DHCP IP address range.
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>[!IMPORTANT]
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>For clouds created on or after July 1, 2021, the simplified view of NSX-T Data Center operations must be used to configure DHCP on the default Tier-1 Gateway in your environment.
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>For clouds created on or after July 1, 2021, the simplified view of NSX operations must be used to configure DHCP on the default Tier-1 Gateway in your environment.
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### Create DHCP relay service
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Use a DHCP relay for any non-NSX-based DHCP service. For example, a VM running DHCP in Azure VMware Solution, Azure IaaS, or on-premises.
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1. In NSX-T Manager, select **Networking** > **DHCP**, and then select **Add Server**.
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1. In NSX Manager, select **Networking** > **DHCP**, and then select **Add Server**.
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1. Select **DHCP Relay** for the **Server Type**, provide the server name and IP address, and select **Save**.
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:::image type="content" source="./media/manage-dhcp/create-dhcp-relay.png" alt-text="Screenshot showing how to create a DHCP relay service in NSX-T Manager." border="true":::
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:::image type="content" source="./media/manage-dhcp/create-dhcp-relay.png" alt-text="Screenshot showing how to create a DHCP relay service in NSX Manager." border="true":::
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1. Select **Tier 1 Gateways**, select the vertical ellipsis on the Tier-1 gateway, and then select **Edit**.
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:::image type="content" source="./media/manage-dhcp/edit-tier-1-gateway.png" alt-text="Screenshot showing how to edit the NSX-T Data Center Tier-1 Gateway." border="true":::
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:::image type="content" source="./media/manage-dhcp/edit-tier-1-gateway.png" alt-text="Screenshot showing how to edit the NSX Tier-1 Gateway." border="true":::
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1. Select **No IP Allocation Set** to define the IP address allocation.
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:::image type="content" source="./media/manage-dhcp/add-subnet.png" alt-text="Screenshot showing how to add a subnet to the NSX-T Data Center Tier-1 Gateway." border="true":::
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:::image type="content" source="./media/manage-dhcp/add-subnet.png" alt-text="Screenshot showing how to add a subnet to the NSX Tier-1 Gateway." border="true":::
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1. For **Type**, select **DHCP Server**.
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>[!NOTE]
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>The IP address range shouldn't overlap with the IP range used in other virtual networks in your subscription and on-premises networks.
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1. In NSX-T Manager, select **Networking** > **Segments**.
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1. In NSX Manager, select **Networking** > **Segments**.
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1. Select the vertical ellipsis on the segment name and select **Edit**.
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## Next steps
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If you want to send DHCP requests from your Azure VMware Solution VMs to a non-NSX-T DHCP server, see the [Configure DHCP on L2 stretched VMware HCX networks](configure-l2-stretched-vmware-hcx-networks.md) procedure.
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If you want to send DHCP requests from your Azure VMware Solution VMs to a non-NSX DHCP server, see the [Configure DHCP on L2 stretched VMware HCX networks](configure-l2-stretched-vmware-hcx-networks.md) procedure.
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