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Request to add SFP28 (64GFC) and SFP28-DD (32GFC) interface type options #8444

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opened 2025-12-29 20:36:46 +01:00 by adam · 4 comments
adam commented 2025-12-29 20:36:46 +01:00
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Originally created by @pdehaas on GitHub (Aug 10, 2023).

NetBox version

v3.5.7

Feature type

Data model extension

Proposed functionality

Currently the SFP28 (64GFC) interface is missing from the interface list.
this exists on broadcom switches as described below

SFP28-DD (32GFC) is in use in the following hardware
both interfaces are available on the device below

https://docs.broadcom.com/doc/G720-Switch-PB

Use case

This allows us to specify the correct interface type when modeling our dc in netbox because we use this hardware.

Database changes

i assume no database changes are required not required as the field already exists.

External dependencies

none

Originally created by @pdehaas on GitHub (Aug 10, 2023). ### NetBox version v3.5.7 ### Feature type Data model extension ### Proposed functionality Currently the SFP28 (64GFC) interface is missing from the interface list. this exists on broadcom switches as described below SFP28-DD (32GFC) is in use in the following hardware both interfaces are available on the device below https://docs.broadcom.com/doc/G720-Switch-PB ### Use case This allows us to specify the correct interface type when modeling our dc in netbox because we use this hardware. ### Database changes i assume no database changes are required not required as the field already exists. ### External dependencies none
adam added the type: feature label 2025-12-29 20:36:46 +01:00
adam closed this issue 2025-12-29 20:36:46 +01:00
adam commented 2025-12-29 20:36:46 +01:00
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@DanSheps commented on GitHub (Aug 11, 2023):

Are you sure they are SFP28? According to the datasheet, they are SFP+

@DanSheps commented on GitHub (Aug 11, 2023): Are you sure they are SFP28? According to the datasheet, they are SFP+
adam commented 2025-12-29 20:36:47 +01:00
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@apellini commented on GitHub (Aug 19, 2023):

Yes they use the same standard for SFF committee but are different IEEE standard and having different functionalities and peculiarities it is better to have this choice because sometimes helps knows it. For example if you insert a sfp28 into a sfp+ port it doesn’t work and having this information could help light-out operations.

@apellini commented on GitHub (Aug 19, 2023): Yes they use the same standard for SFF committee but are different IEEE standard and having different functionalities and peculiarities it is better to have this choice because sometimes helps knows it. For example if you insert a sfp28 into a sfp+ port it doesn’t work and having this information could help light-out operations.
adam commented 2025-12-29 20:36:47 +01:00
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@pdehaas commented on GitHub (Aug 22, 2023):

Apologies. I'm simply a pass through to our networking team. It seems to indeed be a sfp+ port

@pdehaas commented on GitHub (Aug 22, 2023): Apologies. I'm simply a pass through to our networking team. It seems to indeed be a sfp+ port
adam commented 2025-12-29 20:36:47 +01:00
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@jeremystretch commented on GitHub (Aug 24, 2023):

The SFP+ interface type is limited to 16 Gbps operation; I'm fairly certain 64GFC should be QSFP+, which already exists as an option in NetBox (QSFP+ (64GFC)).

It appears that no action is needed. If there is still a need to introduce a new interface type, please submit a new FR linking to the relevant spec and/or product page.

@jeremystretch commented on GitHub (Aug 24, 2023): The SFP+ interface type is limited to 16 Gbps operation; I'm fairly certain 64GFC should be QSFP+, which already exists as an option in NetBox (`QSFP+ (64GFC)`). It appears that no action is needed. If there _is_ still a need to introduce a new interface type, please submit a new FR linking to the relevant spec and/or product page.
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Reference: starred/netbox#8444
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