Breakout cabling to different termination types #11569

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opened 2025-12-29 21:46:53 +01:00 by adam · 3 comments
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Originally created by @WagoL on GitHub (Sep 4, 2025).

NetBox version

4.3.2

Feature type

Change to existing functionality

Proposed functionality

Currently I'm trying to model my cabeling from a QSFP28 port. I have a transceiver in there that breaks out that takes an MPO and brakes out to 4*LC. I want two of these to go into an interface and the other two to go into a frontport of another device.
When trying this now you get this message "Cannot connect different termination types to same end of cable.".

Use case

Model like in the real world your breakout cabling.

Database changes

No knowledge about that.

External dependencies

No knowledge about that.

Originally created by @WagoL on GitHub (Sep 4, 2025). ### NetBox version 4.3.2 ### Feature type Change to existing functionality ### Proposed functionality Currently I'm trying to model my cabeling from a QSFP28 port. I have a transceiver in there that breaks out that takes an MPO and brakes out to 4*LC. I want two of these to go into an interface and the other two to go into a frontport of another device. When trying this now you get this message "Cannot connect different termination types to same end of cable.". ### Use case Model like in the real world your breakout cabling. ### Database changes No knowledge about that. ### External dependencies No knowledge about that.
adam added the type: feature label 2025-12-29 21:46:53 +01:00
adam closed this issue 2025-12-29 21:46:53 +01:00
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@bctiemann commented on GitHub (Sep 4, 2025):

This isn't something we can support with our data model, which assumes(/asserts) that all nodes along a path must be of the same type.

@bctiemann commented on GitHub (Sep 4, 2025): This isn't something we can support with our data model, which assumes(/asserts) that all nodes along a path must be of the same type.
Author
Owner

@WagoL commented on GitHub (Sep 5, 2025):

Do you have alternative methods how to model this?

@WagoL commented on GitHub (Sep 5, 2025): Do you have alternative methods how to model this?
Author
Owner

@jeremystretch commented on GitHub (Sep 5, 2025):

You can use two separate cables to connect the interfaces on one side to the varying terminations on the other.

@jeremystretch commented on GitHub (Sep 5, 2025): You can use two separate cables to connect the interfaces on one side to the varying terminations on the other.
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Reference: starred/netbox#11569