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Merge pull request #268429 from ManikaDhiman/md-lb-gpu
Updated the GPU tutorial for single node.
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articles/databox-online/azure-stack-edge-gpu-connect-powershell-interface.md

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After you have formed and configured a cluster and you have created new virtual switches, you can add or delete virtual networks associated with your virtual switches. For detailed steps, see [Configure virtual switches](azure-stack-edge-gpu-deploy-configure-network-compute-web-proxy.md?pivots=two-node#configure-virtual-switches-1).
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After virtual switches are created, you can enable the switches for Kubernetes compute traffic to specify a Kubernets workload profile. To do so using the local UI, use the steps in [Configure compute IPS](azure-stack-edge-gpu-deploy-configure-network-compute-web-proxy.md?pivots=two-node#configure-compute-ips-1). To do so using PowerShell, use the following steps:
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After virtual switches are created, you can enable the switches for Kubernetes compute traffic to specify a Kubernetes workload profile. To do so using the local UI, use the steps in [Configure compute IPS](azure-stack-edge-gpu-deploy-configure-network-compute-web-proxy.md?pivots=two-node#configure-compute-ips-1). To do so using PowerShell, use the following steps:
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1. [Connect to the PowerShell interface](#connect-to-the-powershell-interface).
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2. Use the `Get-HcsApplianceInfo` cmdlet to get current `KubernetesPlatform` and `KubernetesWorkloadProfile` settings for your device.
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## Change Kubernetes pod and service subnets
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By default, Kubernetes on your Azure Stack Edge device uses subnets 172.27.0.0/16 and 172.28.0.0/16 for pod and service respectively. If these subnets are already in use in your network, then you can run the `Set-HcsKubeClusterNetworkInfo` cmdlet to change these subnets.
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If you're running the **other workloads** option in your environment, by default, Kubernetes on your Azure Stack Edge device uses subnets 172.27.0.0/16 and 172.28.0.0/16 for pod and service respectively. If these subnets are already in use in your network, then you can run the `Set-HcsKubeClusterNetworkInfo` cmdlet to change these subnets.
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You want to perform this configuration before you configure compute from the Azure portal as the Kubernetes cluster is created in this step.
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articles/databox-online/azure-stack-edge-gpu-deploy-configure-network-compute-web-proxy.md

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articles/databox-online/azure-stack-edge-pro-2-deploy-configure-network-compute-web-proxy.md

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articles/databox-online/azure-stack-edge-pro-r-deploy-configure-network-compute-web-proxy.md

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Follow these steps to configure compute IPs for your Kubernetes workloads.
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1. In the local UI, go to the **Kubernetes** page.
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1. From the dropdown select a virtual switch that you will use for Kubernetes compute traffic. <!--By default, all switches are configured for management. You can't configure storage intent as storage traffic was already configured based on the network topology that you selected earlier.-->
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1. Assign **Kubernetes node IPs**. These static IP addresses are for the Kubernetes VMs.
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For an *n*-node device, a contiguous range of a minimum of *n+1* IPv4 addresses (or more) are provided for the compute VM using the start and end IP addresses. For a 1-node device, provide a minimum of two, free, contiguous IPv4 addresses.
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- For an *n*-node device, a contiguous range of a minimum of *n+1* IPv4 addresses (or more) are provided for the compute VM using the start and end IP addresses. For a 1-node device, provide a minimum of two, free, contiguous IPv4 addresses.
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> [!IMPORTANT]
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> * Kubernetes on Azure Stack Edge uses 172.27.0.0/16 subnet for pod and 172.28.0.0/16 subnet for service. Make sure that these are not in use in your network. If these subnets are already in use in your network, you can change these subnets by running the ```Set-HcsKubeClusterNetworkInfo``` cmdlet from the PowerShell interface of the device. For more information, see Change Kubernetes pod and service subnets. <!--Target URL not available.-->
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> * DHCP mode is not supported for Kubernetes node IPs. If you plan to deploy IoT Edge/Kubernetes, you must assign static Kubernetes IPs and then enable IoT role. This will ensure that static IPs are assigned to Kubernetes node VMs.
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> * If your datacenter firewall is restricting or filtering traffic based on source IPs or MAC addresses, make sure that the compute IPs (Kubernetes node IPs) and MAC addresses are on the allowed list. The MAC addresses can be specified by running the ```Set-HcsMacAddressPool``` cmdlet on the PowerShell interface of the device.
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> - Kubernetes on Azure Stack Edge uses 172.27.0.0/16 subnet for pod and 172.28.0.0/16 subnet for service. Make sure that these are not in use in your network. If these subnets are already in use in your network, you can change these subnets by running the ```Set-HcsKubeClusterNetworkInfo``` cmdlet from the PowerShell interface of the device. For more information, see Change Kubernetes pod and service subnets. <!--Target URL not available.-->
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> - DHCP mode is not supported for Kubernetes node IPs. If you plan to deploy IoT Edge/Kubernetes, you must assign static Kubernetes IPs and then enable IoT role. This will ensure that static IPs are assigned to Kubernetes node VMs.
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> - If your datacenter firewall is restricting or filtering traffic based on source IPs or MAC addresses, make sure that the compute IPs (Kubernetes node IPs) and MAC addresses are on the allowed list. The MAC addresses can be specified by running the ```Set-HcsMacAddressPool``` cmdlet on the PowerShell interface of the device.
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1. Assign **Kubernetes external service IPs**. These are also the load-balancing IP addresses. These contiguous IP addresses are for services that you want to expose outside of the Kubernetes cluster and you specify the static IP range depending on the number of services exposed.
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1. Select **Apply**.
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![Screenshot of "Advanced networking" page in local UI with fully configured Add virtual switch blade for one node.](./media/azure-stack-edge-pro-r-deploy-configure-network-compute-web-proxy/compute-virtual-switch-1.png)
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![Screenshot of "Advanced networking" page in local UI with fully configured Add virtual switch blade for one node.](./media/azure-stack-edge-pro-r-deploy-configure-network-compute-web-proxy/compute-virtual-switch-1.png)
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1. The configuration takes a couple minutes to apply and you may need to refresh the browser.
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