Create an Azure virtual machine with Accelerated Networking.In this tutorial, you learn how to create an Azure Virtual Machine VM with Accelerated Networking.Accelerated Networking is GA for Windows and in a Public Preview for specific Linux distributions.Accelerated networking enables single root IO virtualization SR IOV to a VM, greatly improving its networking performance.This high performance path bypasses the host from the datapath reducing latency, jitter, and CPU utilization, for use with the most demanding network workloads on supported VM types.Cisco 2900 series and Cisco 3900 series Integrated Services Routers ISRs.WindowsSPS/7.7/SPS4W/TechDoc/Content/Resources/Images/DataKeeper/NICTeaming.png' alt='Bonding Network Interfaces Windows 7' title='Bonding Network Interfaces Windows 7' />The following picture shows communication between two virtual machines VM with and without accelerated networking Without accelerated networking, all networking traffic in and out of the VM must traverse the host and the virtual switch.The virtual switch provides all policy enforcement, such as network security groups, access control lists, isolation, and other network virtualized services to network traffic.To learn more about virtual switches, read the Hyper V network virtualization and virtual switch article.With accelerated networking, network traffic arrives at the VMs network interface NIC, and is then forwarded to the VM.All network policies that the virtual switch applies without accelerated networking are offloaded and applied in hardware.Applying policy in hardware enables the NIC to forward network traffic directly to the VM, bypassing the host and the virtual switch, while maintaining all the policy it applied in the host.The benefits of accelerated networking only apply to the VM that it is enabled on.For the best results, it is ideal to enable this feature on at least two VMs connected to the same Azure Virtual Network VNet.When communicating across VNets or connecting on premises, this feature has minimal impact to overall latency.Warning. This Linux Public Preview may not have the same level of availability and reliability as features that are in general.The feature is not supported, may have constrained capabilities, and may not be available in all Azure.For the most up to date notifications on availability and status of this feature, check the Azure Virtual Network updates.Benefits. Lower Latency Higher packets per second pps Removing the virtual switch from the datapath removes the time packets spend in the host for policy processing and increases the number of packets that can be processed inside the VM.Reduced jitter Virtual switch processing depends on the amount of policy that needs to be applied and the workload of the CPU that is doing the processing.Offloading the policy enforcement to the hardware removes that variability by delivering packets directly to the VM, removing the host to VM communication and all software interrupts and context switches.Decreased CPU utilization Bypassing the virtual switch in the host leads to less CPU utilization for processing network traffic.Limitations. The following limitations exist when using this capability Network interface creation Accelerated networking can only be enabled for a new NIC.It cannot be enabled for an existing NIC.VM creation A NIC with accelerated networking enabled can only be attached to a VM when the VM is created.The NIC cannot be attached to an existing VM.Regions Windows VMs with accelerated networking are offered in most Azure regions.Linux VMs with accelerated networking are offered in multiple regions.The regions this capability is available in is expanding.Please see the Azure Virtual Networking Updates blog below for the latest information.Supported operating systems Windows Microsoft Windows Server 2.R2 Datacenter and Windows Server 2.Linux Ubuntu Server 1.LTS with kernel 4.SLES 1. 2 SP2, RHEL 7.Cent. OS 7. 3 Published by Rogue Wave Software.VM Size General purpose and compute optimized instance sizes with eight or more cores.For more information, see the Windows and Linux VM sizes articles.The set of supported VM instance sizes will expand in the future.Deployment through Azure Resource Manager ARM only Accelerated Networking is not available for deployment through ASMRDFE.Changes to these limitations are announced through the Azure Virtual Networking updates page.Create a Windows VMYou can use the Azure portal or Azure Power.Shell to create the VM.Portal. From an Internet browser, open the Azure portal and sign in with your Azure account.If you dont already have an account, you can sign up for a free trial.In the portal, click New Compute Windows Server 2.Datacenter. In the Windows Server 2.Datacenter blade that appears, leave Resource Manager selected under Select a deployment model, and click Create.In the Basics blade that appears, enter the following values, leave the remaining default options or select or enter your own values, and click the OK button Setting.Value. Name. My. Vm.Resource group. Leave Create new selected and enter My.Resource. Group. Location.West US 2 If youre new to Azure, learn more about Resource groups, subscriptions, and locations which are also referred to as regions.In the Choose a size blade that appears, enter 8 in the Minimum cores box, then click View all.Click DS4V2 Standard, or any supported VM, then click the Select button.In the Settings blade that appears, leave all settings as is, except click Enabled under Accelerated networking, then click the OK button.Note If, in previous steps, you selected values for VM size, operating system, or location that arent listed in the Limitations section of this article, Accelerated networking isnt visible.In the Summary blade that appears, click the OK button.Azure starts creating the VM.VM creation takes a few minutes.To install the accelerated networking driver for Windows, complete the steps in the Configure Windows section of this article.Power. Shell. Install the latest version of the Azure Power.Shell Azure. Rm module.If youre new to Azure Power.Shell, read the Azure Power.Shell overview article.Start a Power. Shell session by clicking the Windows Start button, typing powershell, then clicking Power.Shell from the search results.In your Power. Shell window, enter the login azurermaccount command to sign in with your Azure account.If you dont already have an account, you can sign up for a free trial.In your browser, copy the following script Rg.NameMy. Resource.Group. Locationwestus.Create a resource group.New Azure. Rm. Resource.Group. Name Rg. Name.Location Location.Create a subnet. Subnet New Azure.Rm. Virtual. Network.Subnet. Config. Name My.Subnet. Address. Prefix 1.Create a virtual network.VnetNew Azure. Rm.Virtual. Network.Resource. Group. Name Rg.Name. Location Location.Name My. Vnet. Address.Prefix 1. 0. 0. 0.Subnet Subnet. Create a public IP address.Pip New Azure. Rm. Adobe Indesign Cs6 Keyboard Shortcuts Windows Laptop . Public. Ip. Address.Name My. Public. Ip.Resource. Group. Name Rg.Name. Location Location.Allocation. Method Static.Create a virtual network interface and associate the public IP address to it.Nic New Azure. Rm.Network. Interface.Name My. Nic. Resource.Group. Name Rg. Name.Location Location.Subnet. Id Vnet. Subnets0.Id. Public. Ip. Address.Id Pip. Id. Enable.Accelerated. Networking.Define a credential object for the VM.Power. Shell prompts you for a username and password.Cred Get Credential.Create a virtual machine configuration.Vm. Config New Azure.Rm. VMConfig. VMName My.VM VMSize StandardDS4v.Set Azure. Rm. VMOperating.System. Computer.Name my. VM. Credential Cred.Set Azure. Rm. VMSource.Image. Publisher.Name Microsoft. Windows.Server. Offer Windows.Server. Skus 2. Datacenter.Version latest. Add Azure.Rm. VMNetwork. Interface Id Nic.Id. Create the virtual machine.New Azure. Rm. VM.Resource. Group. Name Rg.Name. Location Location.VM Vm. Config. In your Power.Shell window, right click to paste the script and start executing it.You are prompted for a username and password.Use these credentials to log in to the VM when connecting to it in the next step.If the script fails, and you changed values in the script before executing it, confirm the values you used for VM size, operating system, and location are listed in the Limitations section of this article.To install the accelerated networking driver for Windows, complete the steps in the Configure Windows section of this article.Configure Windows.Product Documentation Red Hat Customer Portal.
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