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DCIM Interface: ObjectChange missing for deleted untagged VLANs #10802

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opened 2025-12-29 21:36:04 +01:00 by adam · 0 comments
adam commented 2025-12-29 21:36:04 +01:00
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Originally created by @moonrail on GitHub (Feb 24, 2025).

Originally assigned to: @bctiemann on GitHub.

Deployment Type

NetBox Cloud (demo), Self-hosted

NetBox Version

v4.2.0 (demo.netbox.dev) & v4.1.11 (locally)

Python Version

3.11

Steps to Reproduce

  1. Have an Device with an Interface
  2. Have two VLANs: A & B
  3. Set Device Interface mode to "tagged"
  4. Add VLAN A as untagged VLAN to Interface
  5. Add VLAN B as tagged VLAN to Interface
  6. Delete VLAN B
  7. Delete VLAN A

Expected Behavior

Interface ObjectChange update for each VLAN deletion:

  1. tagged_vlans to empty list
  2. untagged_vlan to null/None

Observed Behavior

Only one Interface ObjectChange update is created for VLAN deletion: tagged_vlans.

No Interface ObjectChange is created for untagged_vlan when related VLAN is deleted. According to Interface Changelog the Interface still has an untagged_vlan when in fact it does not exist anymore.

Originally created by @moonrail on GitHub (Feb 24, 2025). Originally assigned to: @bctiemann on GitHub. ### Deployment Type NetBox Cloud (demo), Self-hosted ### NetBox Version v4.2.0 (demo.netbox.dev) & v4.1.11 (locally) ### Python Version 3.11 ### Steps to Reproduce 1. Have an Device with an Interface 2. Have two VLANs: A & B 3. Set Device Interface mode to "tagged" 4. Add VLAN A as untagged VLAN to Interface 5. Add VLAN B as tagged VLAN to Interface 6. Delete VLAN B 7. Delete VLAN A ### Expected Behavior Interface ObjectChange `update` for each VLAN deletion: 1. `tagged_vlans` to empty list 2. `untagged_vlan` to `null`/`None` ### Observed Behavior Only one Interface ObjectChange `update` is created for VLAN deletion: `tagged_vlans`. No Interface ObjectChange is created for `untagged_vlan` when related VLAN is deleted. According to Interface Changelog the Interface still has an `untagged_vlan` when in fact it does not exist anymore.
adam added the type: bugstatus: acceptedseverity: low labels 2025-12-29 21:36:05 +01:00
adam closed this issue 2025-12-29 21:36:05 +01:00
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Reference: starred/netbox#10802
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