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Enable-NetAdapterChecksumOffload

Updated: August 12, 2013

Applies To: Windows Server 2012

Enable-NetAdapterChecksumOffload

Enables checksum offloads on the network adapter.

Syntax

Parameter Set: ByName
Enable-NetAdapterChecksumOffload [-Name] <String[]> [-AsJob] [-CimSession <CimSession[]> ] [-IncludeHidden] [-IpIPv4] [-NoRestart] [-PassThru] [-TcpIPv4] [-TcpIPv6] [-ThrottleLimit <Int32> ] [-UdpIPv4] [-UdpIPv6] [-Confirm] [-WhatIf] [ <CommonParameters>]

Parameter Set: ByInstanceID
Enable-NetAdapterChecksumOffload -InterfaceDescription <String[]> [-AsJob] [-CimSession <CimSession[]> ] [-IncludeHidden] [-IpIPv4] [-NoRestart] [-PassThru] [-TcpIPv4] [-TcpIPv6] [-ThrottleLimit <Int32> ] [-UdpIPv4] [-UdpIPv6] [-Confirm] [-WhatIf] [ <CommonParameters>]

Parameter Set: InputObject (cdxml)
Enable-NetAdapterChecksumOffload -InputObject <CimInstance[]> [-AsJob] [-CimSession <CimSession[]> ] [-IpIPv4] [-NoRestart] [-PassThru] [-TcpIPv4] [-TcpIPv6] [-ThrottleLimit <Int32> ] [-UdpIPv4] [-UdpIPv6] [-Confirm] [-WhatIf] [ <CommonParameters>]




Detailed Description

The Enable-NetAdapterChecksumOffload cmdlet enables checksum offloads on the network adapter. When specified IPv4, TCPv4, or TCPv6 can be enabled in the transmit, receive, or both directions. By default all checksums are enabled in both directions. Physical network adapters have various checksum offloads in which the checksum calculations occur in the network adapter and not in the main processor. This reduces processor utilization and can increase network throughput. This cmdlet enables the various checksum offload settings, including IPv4, TCPv4, TCPv6, UDPv4, and UDPv6. Checksum offloading is also required for other stateless offloads to work including receive side scaling (RSS), receive segment coalescing (RSC), and large send offload (LSO).

Parameters

-AsJob

Runs the cmdlet as a background job. Use this parameter to run commands that take a long time to complete. The cmdlet immediately returns an object that represents the job and then displays the command prompt. You can continue to work in the session while the job completes. To manage the job, use the *-Job cmdlets. To get the job results, use the Receive-Job cmdlet. For more information about Windows PowerShell® background jobs, see about_Jobs.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-CimSession<CimSession[]>

Runs the cmdlet in a remote session or on a remote computer. Enter a computer name or a session object, such as the output of a New-CimSession or Get-CimSession cmdlet. The default is the current session on the local computer.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-IncludeHidden

Specifies both visible and hidden network adapters should be included. By default only visible network adapters are included. If a wildcard character is used in identifying a network adapter and this parameter has been specified, then the wildcard string is matched against both hidden and visible network adapters.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-InputObject<CimInstance[]>

Specifies the input to this cmdlet. You can use this parameter, or you can pipe the input to this cmdlet.


Aliases

none

Required?

true

Position?

named

Default Value

none

Accept Pipeline Input?

true (ByValue)

Accept Wildcard Characters?

false

-InterfaceDescription<String[]>

Specifies the network adapter interface description. For a physical network adapter this is typically the name of the vendor of the network adapter followed by a part number and description, such as Contoso 12345 Gigabit Network Device.


Aliases

ifDesc

Required?

true

Position?

named

Default Value

none

Accept Pipeline Input?

true (ByPropertyName)

Accept Wildcard Characters?

true

-IpIPv4

Enables checksum offload for IPv4 traffic.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-Name<String[]>

Specifies the name of the network adapter.


Aliases

ifAlias, InterfaceAlias

Required?

true

Position?

1

Default Value

none

Accept Pipeline Input?

true (ByPropertyName)

Accept Wildcard Characters?

true

-NoRestart

Specifies that the network adapter is not restarted as part of running this cmdlet. Note: Many advanced properties require restarting the network adapter before the new settings take effect.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-PassThru

Returns an object representing the item with which you are working. By default, this cmdlet does not generate any output.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-TcpIPv4

Enables checksum offload for TCP IPv4 traffic.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-TcpIPv6

Enables checksum offload for TCP IPv6 traffic.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-ThrottleLimit<Int32>

Specifies the maximum number of concurrent operations that can be established to run the cmdlet. If this parameter is omitted or a value of 0 is entered, then Windows PowerShell® calculates an optimum throttle limit for the cmdlet based on the number of CIM cmdlets that are running on the computer. The throttle limit applies only to the current cmdlet, not to the session or to the computer.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-UdpIPv4

Enables checksum offload for UDP IPv4 traffic.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-UdpIPv6

Enables checksum offload for UDP IPv6 traffic.


Aliases

none

Required?

false

Position?

named

Default Value

none

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-Confirm

Prompts you for confirmation before running the cmdlet.


Required?

false

Position?

named

Default Value

false

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

-WhatIf

Shows what would happen if the cmdlet runs. The cmdlet is not run.


Required?

false

Position?

named

Default Value

false

Accept Pipeline Input?

false

Accept Wildcard Characters?

false

<CommonParameters>

This cmdlet supports the common parameters: -Verbose, -Debug, -ErrorAction, -ErrorVariable, -OutBuffer, and -OutVariable. For more information, see    about_CommonParameters.

Inputs

The input type is the type of the objects that you can pipe to the cmdlet.

  • Microsoft.Management.Infrastructure.CimInstance#ROOT/StandardCimv2/MSFT_NetAdapter ChecksumOffloadSettingData[]

    The Microsoft.Management.Infrastructure.CimInstance object is a wrapper class that displays Windows Management Instrumentation (WMI) objects. The path after the pound sign (#) provides the namespace and class name for the underlying WMI object.


Outputs

The output type is the type of the objects that the cmdlet emits.

  • Microsoft.Management.Infrastructure.CimInstance#ROOT/StandardCimv2/MSFT_NetAdapter ChecksumOffloadSettingData

    The Microsoft.Management.Infrastructure.CimInstance object is a wrapper class that displays Windows Management Instrumentation (WMI) objects. The path after the pound sign (#) provides the namespace and class name for the underlying WMI object.


Examples

EXAMPLE 1

This example enables all IPv4 checksum offloads on all visible network adapters and restarts the network adapters.


PS C:\> Enable-NetAdapterChecksumOffload –Name * -TcpIPv4 -UdpIPv4 -IpIPv4

EXAMPLE 2

This example enables all checksum offloads on all visible network adapters and restarts the network adapters.


PS C:\> Enable-NetAdapterChecksumOffload –Name *

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