Update Device Type remove the Platform #250

New Issue

MrUnknownDE · 2026-04-05T16:23:37+02:00

MrUnknownDE commented

2026-04-05 16:23:37 +02:00

Originally created by @Etibru on 3/3/2026

NetBox Edition

NetBox Community

NetBox Version

v4.4.10-Docker-3.4.2

Python Version

3.12

Steps to Reproduce

Create Manufacture:
- Name: Juniper / Cisco
Create Platforms:
- Name: JunOS / IOS
- Manufacturer: Juniper / Cisco
Create Device Type:
- Manufacturer: Juniper / Juniper / Cisco
- Model: EX4500 / EX4600 / C1121
- Default platform: JunOS / JunOS / IOS
Create 2 Device of each Device Type (one EX4500 and on C1121)
Update the EX4500 device and change the device_type to EX4600
==> The Platform on the form is set to null :(
(bis) Update the C1121device and change the device_type to EX4600
==> The Platform on the form is set to null :(

Expected Behavior

The platform should not change
It may even be that if the previously installed platform is not “compatible” with the new device type, the latter should not remain at null but raise an error in the form validation.

Observed Behavior

The platform is reset to null.

*Originally created by @Etibru on 3/3/2026* ### NetBox Edition NetBox Community ### NetBox Version v4.4.10-Docker-3.4.2 ### Python Version 3.12 ### Steps to Reproduce 1. Create Manufacture: - Name: Juniper / Cisco 3. Create Platforms: - Name: JunOS / IOS - Manufacturer: Juniper / Cisco 4. Create Device Type: - Manufacturer: Juniper / Juniper / Cisco - Model: EX4500 / EX4600 / C1121 - Default platform: JunOS / JunOS / IOS 4. Create 2 Device of each Device Type (one EX4500 and on C1121) 5. Update the EX4500 device and change the device_type to EX4600 ==> The Platform on the form is set to null :( 5. (bis) Update the C1121device and change the device_type to EX4600 ==> The Platform on the form is set to null :( ### Expected Behavior The platform should not change It may even be that if the previously installed platform is not “compatible” with the new device type, the latter should not remain at null but raise an error in the form validation. ### Observed Behavior The platform is reset to null.

MrUnknownDE closed this issue

2026-04-05 16:23:37 +02:00

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Branches Tags

main

21455-sql-indexes-audit

21357-register-model-actions

feature

20924-plugin-ui-components

21766-improve-test-coverage-for-sortable-table-columns

21157-export-template-public-models

21025-pre-render-config-contexts

21364-swagger

feature-ip-prefix-link

20911-dropdown-3

fix_module_substitution

21160-filterset

20911-dropdown-2

20044-elevation-stuck-lightmode

7604-filter-modifiers-v3

20660-script-load

19724-graphql

14884-script

19720-macaddress-interface-generic-relation

fix-19669-api-image-download

7604-filter-modifiers

19275-fixes-interface-bulk-edit

fix-17794-get_field_value_return_list

11507-show-aggregate-and-rir-on-api

9583-add_column_specific_search_field_to_tables

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Reference: github/netbox#250