windows-itpro-docs/windows/client-management/mdm/policy-csp-admx-linklayertopologydiscovery.md
Vinay Pamnani (from Dev Box) 29e044c903 MDM/CSP metadata changes
2024-01-18 12:26:53 -05:00

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ADMX_LinkLayerTopologyDiscovery Policy CSP Learn more about the ADMX_LinkLayerTopologyDiscovery Area in Policy CSP. 01/18/2024

Policy CSP - ADMX_LinkLayerTopologyDiscovery

[!INCLUDE ADMX-backed CSP tip]

LLTD_EnableLLTDIO

Scope Editions Applicable OS
Device
User
Pro
Enterprise
Education
Windows SE
IoT Enterprise / IoT Enterprise LTSC
Windows 10, version 2004 [10.0.19041.1202] and later
Windows 10, version 2009 [10.0.19042.1202] and later
Windows 10, version 21H1 [10.0.19043.1202] and later
Windows 11, version 21H2 [10.0.22000] and later
./Device/Vendor/MSFT/Policy/Config/ADMX_LinkLayerTopologyDiscovery/LLTD_EnableLLTDIO

This policy setting changes the operational behavior of the Mapper I/O network protocol driver.

LLTDIO allows a computer to discover the topology of a network it's connected to. It also allows a computer to initiate Quality-of-Service requests such as bandwidth estimation and network health analysis.

  • If you enable this policy setting, additional options are available to fine-tune your selection. You may choose the "Allow operation while in domain" option to allow LLTDIO to operate on a network interface that's connected to a managed network. On the other hand, if a network interface is connected to an unmanaged network, you may choose the "Allow operation while in public network" and "Prohibit operation while in private network" options instead.

  • If you disable or don't configure this policy setting, the default behavior of LLTDIO will apply.

Description framework properties:

Property name Property value
Format chr (string)
Access Type Add, Delete, Get, Replace

[!INCLUDE ADMX-backed policy note]

ADMX mapping:

Name Value
Name LLTD_EnableLLTDIO
Friendly Name Turn on Mapper I/O (LLTDIO) driver
Location Computer Configuration
Path Network > Link-Layer Topology Discovery
Registry Key Name Software\Policies\Microsoft\Windows\LLTD
Registry Value Name EnableLLTDIO
ADMX File Name LinkLayerTopologyDiscovery.admx

LLTD_EnableRspndr

Scope Editions Applicable OS
Device
User
Pro
Enterprise
Education
Windows SE
IoT Enterprise / IoT Enterprise LTSC
Windows 10, version 2004 [10.0.19041.1202] and later
Windows 10, version 2009 [10.0.19042.1202] and later
Windows 10, version 21H1 [10.0.19043.1202] and later
Windows 11, version 21H2 [10.0.22000] and later
./Device/Vendor/MSFT/Policy/Config/ADMX_LinkLayerTopologyDiscovery/LLTD_EnableRspndr

This policy setting changes the operational behavior of the Responder network protocol driver.

The Responder allows a computer to participate in Link Layer Topology Discovery requests so that it can be discovered and located on the network. It also allows a computer to participate in Quality-of-Service activities such as bandwidth estimation and network health analysis.

  • If you enable this policy setting, additional options are available to fine-tune your selection. You may choose the "Allow operation while in domain" option to allow the Responder to operate on a network interface that's connected to a managed network. On the other hand, if a network interface is connected to an unmanaged network, you may choose the "Allow operation while in public network" and "Prohibit operation while in private network" options instead.

  • If you disable or don't configure this policy setting, the default behavior for the Responder will apply.

Description framework properties:

Property name Property value
Format chr (string)
Access Type Add, Delete, Get, Replace

[!INCLUDE ADMX-backed policy note]

ADMX mapping:

Name Value
Name LLTD_EnableRspndr
Friendly Name Turn on Responder (RSPNDR) driver
Location Computer Configuration
Path Network > Link-Layer Topology Discovery
Registry Key Name Software\Policies\Microsoft\Windows\LLTD
Registry Value Name EnableRspndr
ADMX File Name LinkLayerTopologyDiscovery.admx

Policy configuration service provider