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PowerShell Command: Set-NetAdapterAdvancedProperty

PowerShell Command: Set-NetAdapterAdvancedProperty

When it comes to managing network adapters on Windows servers, PowerShell is an incredibly powerful tool. One of the most useful commands for network configuration is Set-NetAdapterAdvancedProperty. This command allows administrators to configure advanced properties of network adapters, such as jumbo frames, VLAN IDs, and more. In this article, we will explore the Set-NetAdapterAdvancedProperty command in detail, providing relevant examples and code samples to help you understand how to use it effectively.

Understanding Set-NetAdapterAdvancedProperty

The Set-NetAdapterAdvancedProperty command is part of the NetAdapter module in PowerShell. It is used to modify the advanced properties of a network adapter. These properties are typically accessed through the adapter’s properties dialog in the Windows Device Manager, but with PowerShell, you can automate the process and apply changes to multiple adapters quickly and efficiently.

Examples of Set-NetAdapterAdvancedProperty

Let’s look at some practical examples of how to use the Set-NetAdapterAdvancedProperty command.

Example 1: Enabling Jumbo Frames

# Enable Jumbo Frames on a network adapter named "Ethernet1"
Set-NetAdapterAdvancedProperty -Name "Ethernet1" -DisplayName "Jumbo Packet" -DisplayValue "9014 Bytes"

In this example, we are enabling jumbo frames on a network adapter named “Ethernet1” by setting the “Jumbo Packet” property to “9014 Bytes”. Jumbo frames can improve network performance by allowing larger packets of data to be sent at once.

Example 2: Setting VLAN ID

# Set VLAN ID to 100 on a network adapter named "Ethernet1"
Set-NetAdapterAdvancedProperty -Name "Ethernet1" -RegistryKeyword "VlanID" -RegistryValue "100"

Here, we are setting the VLAN ID to 100 on the same network adapter. This is useful for segmenting network traffic and improving security.

Example 3: Disabling TCP Offload

# Disable TCP Offload on a network adapter named "Ethernet1"
Set-NetAdapterAdvancedProperty -Name "Ethernet1" -DisplayName "TCP Offload" -DisplayValue "Disabled"

In this example, we are disabling TCP Offload on the network adapter. TCP Offload can sometimes cause issues with certain applications or network configurations, so it may be necessary to disable it.

Using Set-NetAdapterAdvancedProperty in a Script

One of the benefits of PowerShell is the ability to automate tasks with scripts. Here’s an example of how you might use Set-NetAdapterAdvancedProperty in a script to configure multiple network adapters at once:

# Configure multiple network adapters with a script
$adapters = Get-NetAdapter -Name "Ethernet*"
foreach ($adapter in $adapters) {
    Set-NetAdapterAdvancedProperty -Name $adapter.Name -DisplayName "Jumbo Packet" -DisplayValue "9014 Bytes"
    Set-NetAdapterAdvancedProperty -Name $adapter.Name -RegistryKeyword "VlanID" -RegistryValue "100"
    Set-NetAdapterAdvancedProperty -Name $adapter.Name -DisplayName "TCP Offload" -DisplayValue "Disabled"
}

This script retrieves all network adapters with names that start with “Ethernet” and applies the same configuration to each one.

Conclusion

The Set-NetAdapterAdvancedProperty command is a versatile and powerful tool for managing network adapter settings on Windows servers. By understanding how to use this command, administrators can streamline their network configuration tasks and ensure that their servers are optimized for performance and security. Whether you’re managing a single server or an entire data center, PowerShell and commands like Set-NetAdapterAdvancedProperty can help you get the job done efficiently.

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