Trace Splits are returned for 1:1 connections #3617

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opened 2025-12-29 18:30:11 +01:00 by adam · 0 comments
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Originally created by @abrahamvegh on GitHub (Apr 28, 2020).

Originally assigned to: @jeremystretch on GitHub.

Environment

  • Python version: 3.7.3
  • NetBox version: 2.8.1

Steps to Reproduce

  1. Configure devices representing the following connections:
    Interface <-> Cable <-> Front Port <-> Rear Port <-> Cable <-> Interface
    In my specific example, this would be Cat6 connections from a switch port through a patch panel to a wireless AP.
  2. Trace the connection from either of the Interfaces.

Expected Behavior

The full connection is traced from end to end.

Observed Behavior

A ‘Trace Split’ error is produced after the first cable, but the list only contains a single option for continuing the trace.

Screen Shot 2020-04-27 at 11 48 36 PM

I believe this was introduced as part of the changes in #4388. This may be a further regression of that bug.

EDIT: This only occurs when tracing from the Interface connected to the Rear Port. When tracing through the Front Port, the entire trace completes successfully.

Originally created by @abrahamvegh on GitHub (Apr 28, 2020). Originally assigned to: @jeremystretch on GitHub. <!-- NOTE: IF YOUR ISSUE DOES NOT FOLLOW THIS TEMPLATE, IT WILL BE CLOSED. This form is only for reproducible bugs. If you need assistance with NetBox installation, or if you have a general question, DO NOT open an issue. Instead, post to our mailing list: https://groups.google.com/forum/#!forum/netbox-discuss Please describe the environment in which you are running NetBox. Be sure that you are running an unmodified instance of the latest stable release before submitting a bug report, and that any plugins have been disabled. --> ### Environment * Python version: 3.7.3 * NetBox version: 2.8.1 <!-- Describe in detail the exact steps that someone else can take to reproduce this bug using the current stable release of NetBox. Begin with the creation of any necessary database objects and call out every operation being performed explicitly. If reporting a bug in the REST API, be sure to reconstruct the raw HTTP request(s) being made: Don't rely on a client library such as pynetbox. --> ### Steps to Reproduce 1. Configure devices representing the following connections: `Interface <-> Cable <-> Front Port <-> Rear Port <-> Cable <-> Interface` In my specific example, this would be Cat6 connections from a switch port through a patch panel to a wireless AP. 2. Trace the connection from either of the Interfaces. <!-- What did you expect to happen? --> ### Expected Behavior The full connection is traced from end to end. <!-- What happened instead? --> ### Observed Behavior A ‘Trace Split’ error is produced after the first cable, but the list only contains a single option for continuing the trace. ![Screen Shot 2020-04-27 at 11 48 36 PM](https://user-images.githubusercontent.com/53161/80445192-a4ac5d00-88e1-11ea-9bed-ab8733d75261.png) I believe this was introduced as part of the changes in #4388. This may be a further regression of that bug. **EDIT:** This only occurs when tracing from the Interface connected to the Rear Port. When tracing through the Front Port, the entire trace completes successfully.
adam added the type: bugstatus: accepted labels 2025-12-29 18:30:12 +01:00
adam closed this issue 2025-12-29 18:30:12 +01:00
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Reference: starred/netbox#3617