Create a logical connection record using the Design and Assign function

Use the Design and Assign function to create a logical connection in the Telecommunications Network Inventory application. By creating a logical connection, you can fulfill the design request for a network service.

Before you begin

Define the inventory records, models, model relationships, templates, and template relationships for your design criteria.

Role required: sn_ni_core.inventory_agent, sn_ni_core.network_planning_manager

About this task

The Design and Assign home page lists the change requests that are in the Design in progress state. You can either select a change request from the list or create a change request to design a logical connection depending on your requirement. Completion of each activity in the playbook for the Design and Assign function creates a change task for the next activity.

After you complete each activity, the network diagram updates and displays the data. You can review the network diagram for any incompleteness and update the activities accordingly.

Procedure

Navigate to Workspaces > Network Inventory Workspace.
Select the design and assign icon ([Omitted image "icon-design-assign.png"] Alt text: Design and Assign Icon).

The Design and Assign home page is displayed.
Select New > Create Logical Connection.

A change request is created with Design in progress and the Design and Assign window is displayed.

On the Setup request details card, fill in the fields.

Field	Description
Number	Change request number is automatically generated to instantiate a logical connection with the Design in progress state.
Category	Category of this change request. Select Other if your category isn’t in the list.
Priority	Priority of this change request.
Short description	Summary of the design.
Description	Description of the design in detail.

Select Mark complete.
On the Setup logical connection card, fill in the fields.

Field	Description
Logical connection model	Logical connection model where this logical connection is configured.
Bandwidth	Bandwidth for this logical connection. Only bandwidths compatible with the logical connection model are listed here.Note: Lists all bandwidths if no compatible bandwidth is available.
Network domain	Domain of ownership and responsibility for this network asset or connection. Select one of the following options:- Mobility Network asset that is associated with the mobility equipment domain. Telco Network asset that is associated with the telco equipment domain. Core Network asset that is associated with the core equipment domain.
Logical connection template	List of all templates based on the selected logical connection model.

7. Select **Mark complete**.

On the Define end points card, fill in the fields.

Field	Description
Start site	Originating network site for this connection.
Start equipment	Originating equipment for this connection.
Start interface	Originating network interface for this connection.
End site	Destination network site for this connection.
End equipment	Destination equipment for this connection.
End interface	Destination network interface for this connection.

Select Mark complete.
On the Assign connection element card, select Add and fill in the fields to select the connection element.

To skip this activity, select Skip.

Field	Description
Element type	Type of connection element. Select one from the list.- Network Interface Physical Connection Logical Connection Equipment Topology
Element name	Connection element based on the event type that you're selected. By selecting the connection element, the Available capacity and Used capacity fields displays the capacity information of the connection element.
Model	Model where this connection element is configured.Only compatible models based on the model relationship are displayed.
Start Site	Originating network site for this connection element.Note: This field is available for Physical Connection and Logical Connection element types.
End Site	Destination network site for this connection element.Note: This field is available only for Physical Connection and Logical Connection element types.
Start equipment	Originating equipment for this connection element.Note: This field is available only for Physical Connection and Logical Connection element types.
End equipment	Destination equipment for this connection element.Note: This field is available only for Physical Connection and Logical Connection element types.
Route	Number of routes.
Sequence	Number of sequences.

11. Select **Mark complete**.

On the Assign protection element card, select Add and fill in the fields to select the protection element.

To skip this step, select Skip.

Field	Description
Start Site	Originating network site for this protection path.
Start equipment	Originating equipment for this protection path.
Model	Model where this protection logical connection is configured. Only compatible models based on the model relationship are displayed.
End Site	Destination network site for this protection path.
End equipment	Destination equipment for this protection path.
Protecting logical connection	Logical connection that acts as redundancy path.

Select Mark complete.
On the Define number element card, select Add and fill in the fields to select the number element.

To skip this step, select Skip.

Field	Description
Owned by configuration item	Configuration item (CI) that is related to the Inventory number record.
Parent number type	Type of inventory number parent record belongs to. Select one from the following.- LAG LAG Range VLAN VLAN range
Parent number range	Range of parent number.
Number Type	Type of inventory number this network inventory belongs to. Select one from the following.- LAG LAG Range VLAN VLAN range
Number	Unassigned numbers are displayed here, and you can select multiple ones.

15. Select **Mark complete**.

On the Define IP address card, select Add and fill in the fields to select the IP address.

To skip this step, select Skip.

Field	Description
IP pool	Parent pool of this IP address allocation.
IP sub network	IP network subnet of this IP address allocation.
Allocated IP address	Select the allocated IP addresses.

Select Mark complete.
On the Set attributes card, select Add and fill in the fields to select the connection element.

If you want to skip this step, select Skip.

Field	Description
Connection name	Name of the logical connection record. Add connection name, otherwise default name is added
Life cycle stage	Stage of the life cycle that this network asset is in: Deploy Network asset that is deployed in your network. Design Network asset that is being used for design purposes. End of life Network asset that is at the end of its useful life. Inventory Network asset that is an inventory item in use in the network. End of life Network asset that is missing and can't be located. Operational Network asset that is operational. Purchase Network asset that is in the purchase phase of its life.
Life cycle stage status	Status of the network asset as it relates to the life cycle stage that it is in: In Maintenance Network asset that is currently in maintenance. In Use Network asset that is currently in use. Pending Retirement Network asset that is currently in maintenance.
Supported by	Name of the person who supports this network asset.
Supported by group	Group that supports the network inventory.
Comments (Customer visible)	Any comments.
Operational notes	Free-form operation note text for this network asset. For example, `Check diesel fuel for generator`.

19. On the **Review and submit** card, fill in the fields.

|Field|Description|
|-----|-----------|
|Notes|Any additional notes.|

Select Submit.

Result

The change tasks are created and executed for each activity. The logical connection record is created with the associated Configuration items (CI).

Parent Topic:Design and Assign function

Related topics

Logical connections

title	Create a logical connection record using the Design and Assign function
description	Use the Design and Assign function to create a logical connection in the Telecommunications Network Inventory application. By creating a logical connection, you can fulfill the design request for a network service.
locale	en-US
canonical_url	https://www.servicenow.com/docs/r/telecom-network-inventory/telecommunications-network-inventory/create-logical-connection-record-design-assign-playbook.html
release	brazil
product	Telecommunications Network Inventory
classification	telecommunications-network-inventory
topic_type	task
last_updated	2026-09-10
reading_time_minutes	6
breadcrumb	Design and Assign functionUseTelecommunications Network Inventory