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articles/load-balancer/load-balancer-distribution-mode.md

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5. Choose the distribution mode and then select **Save**.
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:::image type="content" source="./media/load-balancer-distribution-mode/session-persistence.png" alt-text="Change session persistence on load balancer rule." border="true" lightbox="./media/load-balancer-distribution-mode/session-persistence.png":::
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# [**PowerShell**](#tab/azure-powershell)
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[!INCLUDE [updated-for-az](~/reusable-content/ce-skilling/azure/includes/updated-for-az.md)]

articles/load-balancer/load-balancer-multiple-ip.md

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5. In **Networking**, select the name of the network interface next to **Network interface**. The network interface begins with the name of the VM and has a random number assigned. In this example, **myVM1266**.
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:::image type="content" source="./media/load-balancer-multiple-ip/myvm1-nic.png" alt-text="Screenshot of myVM1 networking configuration in Azure portal.":::
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6. In the network interface page, select **IP configurations** in **Settings**.
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7. In **IP configurations**, select **ipconfig1**.
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:::image type="content" source="./media/load-balancer-multiple-ip/myvm1-ipconfig1.png" alt-text="Screenshot of myVM1 network interface configuration.":::
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8. Select **Static** in **Assignment** in the **ipconfig1** configuration.
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9. Select **Save**.
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12. In the **Networking** page, select **Attach network interface**.
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:::image type="content" source="./media/load-balancer-multiple-ip/myvm1-attach-nic.png" alt-text="Screenshot of myVM1 attach network interface.":::
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13. In **Attach network interface**, select **Create and attach network interface**.
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14. In **Create network interface**, enter or select the following information:

articles/load-balancer/load-balancer-standard-diagnostics.md

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>Recommendation: When analyzing metric aggregation type Sum and Count, we recommend using a time aggregation value that is greater than one minute.
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:::image type="content" source="./media/load-balancer-standard-diagnostics/lbmetrics1anew.png" alt-text="Metric for data path availability for a standard load balancer.":::
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*Figure: Metric for data path availability for a standard load balancer*
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### Retrieve multi-dimensional metrics programmatically via APIs
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For API guidance for retrieving multi-dimensional metric definitions and values, see [Azure Monitoring REST API walkthrough](/azure/azure-monitor/essentials/rest-api-walkthrough#retrieve-metric-definitions). These metrics can be written to a storage account by adding a [diagnostic setting](/azure/azure-monitor/essentials/diagnostic-settings) for the 'All Metrics' category.
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1. Additionally, add a filter on the frontend IP address or frontend port as the dimension with the required frontend IP address or frontend port. Then group them by the selected dimension.
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:::image type="content" source="./media/load-balancer-standard-diagnostics/lbmetrics-vipprobing.png" alt-text="Load balancer frontend probing details.":::
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*Figure: Load balancer frontend probing details*
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The metric is generated by a probing service within the region that simulates traffic. The probing service periodically generates a packet that matches your deployment's frontend and load balancing rule. The packet then traverse the region from the source to the host of a VM in the backend pool. The load balancer infrastructure performs the same load balancing and translation operations as it does for all other traffic. After the probe arrives on the host, where a VM in the backend pool is located, the host generates a response to the probing service. Your VM doesn’t see this traffic.
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Please note that the Data Path Availability metric will only be generated on frontend IP configurations with load balancing rules.
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2. Group by **Connection State** for successful and failed SNAT connection counts to be represented by different lines.
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:::image type="content" source="./media/load-balancer-standard-diagnostics/lbmetrics-snatconnection.png" alt-text="Load balancer SNAT connection count.":::
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*Figure: Load balancer SNAT connection count*
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</details>
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#### How do I check my SNAT port usage and allocation?
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5. For example, to monitor SNAT usage for TCP flows per machine, aggregate by **Average**, split by **Backend IPs** and filter by **Protocol Type**.
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:::image type="content" source="./media/load-balancer-standard-diagnostics/snat-usage-and-allocation.png" alt-text="Average TCP SNAT port allocation and usage for a set of backend VMs.":::
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*Figure: Average TCP SNAT port allocation and usage for a set of backend VMs*
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:::image type="content" source="./media/load-balancer-standard-diagnostics/snat-usage-split.png" alt-text="TCP SNAT port usage per backend instance.":::
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*Figure: TCP SNAT port usage per backend instance*
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</details>
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#### How do I check inbound/outbound connection attempts for my service?
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Use **Sum** as the aggregation for most scenarios.
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:::image type="content" source="./media/load-balancer-standard-diagnostics/lbmetrics-syncount.png" alt-text="Load balancer SYN count.":::
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*Figure: Load balancer SYN count*
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</details>
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#### How do I check my network bandwidth consumption?
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* Get overall statistics for your load balancer resource without any filtering.
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:::image type="content" source="./media/load-balancer-standard-diagnostics/lbmetrics-bytecount.png" alt-text="Load balancer byte count.":::
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*Figure: Load balancer byte count*
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</details>
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#### <a name = "vipavailabilityandhealthprobes"></a>How do I diagnose my load balancer deployment?
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1. Select **Monitor** > **Service health**.
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:::image type="content" source="./media/load-balancer-standard-diagnostics/lbhealth1.png" alt-text="The service health link on Azure Monitor.":::
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*Figure: The service health link on Azure Monitor*
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2. Select **Resource health**, and then make sure that **Subscription ID** and **Resource type = load balancer** are selected.
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:::image type="content" source="./media/load-balancer-standard-diagnostics/lbhealth3.png" alt-text="Select resource for health view.":::
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*Figure: Select resource for health view*
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3. In the list, select the load balancer resource to view its historical health status.
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:::image type="content" source="./media/load-balancer-standard-diagnostics/lbhealth4.png" alt-text="Resource health status.":::
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*Figure: Resource health status*
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A generic description of a resource health status is available in the [resource health documentation](/azure/service-health/resource-health-overview).
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