Provide information about LAG targets in LAG members section #1649

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MrUnknownDE · 2026-04-06T05:40:14+02:00

MrUnknownDE commented

2026-04-06 05:40:14 +02:00

Originally created by @vic-t on 7/13/2025

NetBox version

v4.3.3

Feature type

Data model extension

Proposed functionality

In the interface detail view for a LAG interface, there is a section called LAG Members.

In that section, the following information is provided:

Parent (Parent device of LAG interface)
Interface (Name of interface that is part of the LAG)
Type (Interface port type, such as SFP+)

I would request that this section provides information about the cable connections, at least in a simplified way such as this:

Parent device (Name of device hosting LAG interface)
LAG member interface (Name of physical interface that is part of the LAG)
Type of LAG member interface (Interface port type, such as SFP+)
Target device (Name of device that the physical interface connects to)
Connected Interface (Name of physical interface that is connected to the physical LAG interface)
Target LAG name (If the physical interface is part of a LAG, the name would be shown here, otherwise it would remain empty)
Type of connected interface (Interface port type.)

The names are just meant for clarity here - I'm certain shorter names could be used in practice.

Use case

It is currently not possible to quickly see how a LAG interface is connected to other devices. In the case of 2 LAG members, I'd have to click on each interface first in order to see their cable connections.

This extended information would be extremely helpful in quickly checking the validity of a LAG setup. For example, if my two LAG members connect to two target interfaces that are not part of a LAG themselves, usually with the same name, this would most likely be an error.

IMO, this change would also solve the request for MC-LAG documentation (#18796) - at least partially.

Database changes

I'm not familiar with the database schema of Netbox. Since the information is readily available behind each interface, I assume this should be a relatively small change.

External dependencies

None

*Originally created by @vic-t on 7/13/2025* ### NetBox version v4.3.3 ### Feature type Data model extension ### Proposed functionality In the interface detail view for a LAG interface, there is a section called `LAG Members`. In that section, the following information is provided: - **Parent** (Parent device of LAG interface) - **Interface** (Name of interface that is part of the LAG) - **Type** (Interface port type, such as SFP+) I would request that this section provides information about the cable connections, at least in a simplified way such as this: - **Parent device** (Name of device hosting LAG interface) - **LAG member interface** (Name of physical interface that is part of the LAG) - **Type of LAG member interface** (Interface port type, such as SFP+) - **Target device** (Name of device that the physical interface connects to) - **Connected Interface** (Name of physical interface that is connected to the physical LAG interface) - **Target LAG name** (If the physical interface is part of a LAG, the name would be shown here, otherwise it would remain empty) - **Type of connected interface** (Interface port type.) The names are just meant for clarity here - I'm certain shorter names could be used in practice. ### Use case It is currently not possible to quickly see how a LAG interface is connected to other devices. In the case of 2 LAG members, I'd have to click on each interface first in order to see their cable connections. This extended information would be extremely helpful in quickly checking the validity of a LAG setup. For example, if my two LAG members connect to two target interfaces that are not part of a LAG themselves, usually with the same name, this would most likely be an error. IMO, this change would also solve the request for MC-LAG documentation (#18796) - at least partially. ### Database changes I'm not familiar with the database schema of Netbox. Since the information is readily available behind each interface, I assume this should be a relatively small change. ### External dependencies None

MrUnknownDE closed this issue

2026-04-06 05:40:14 +02:00

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feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature type: feature

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Reference: github/netbox#1649