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Bug #16216

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[BUG?] New PPPoE module (if_pppoe) causes high "Errors Out" on WAN (Vivo Fibra)

Added by Crystian Geovani Dorabiatto 4 days ago.

Status:
New
Priority:
Normal
Assignee:
-
Category:
Interfaces
Target version:
-
Start date:
Due date:
% Done:

0%

Estimated time:
Plus Target Version:
Release Notes:
Default
Affected Version:
2.8.0
Affected Architecture:
All

Description

[EN_US]

Hi everyone,

I'm testing the new pfSense feature that allows using the kernel-based PPPoE driver (if_pppoe) instead of the traditional mpd5, by enabling the following option:

System > Advanced > Networking

In my setup, enabling this option successfully establishes the PPPoE connection, but I immediately start seeing a large number of "Errors Out" on the WAN interface connected to Vivo Fibra (PPPoE ISP).

Additional details:
Affected interface: WAN - VIVO_FIBRA

NIC: Ethernet Controller I226-V
ONU/Modem: MitraStar GPT-2742GX4X5

Hardware checksum, TCP segmentation offload, and large receive offload are all disabled (all boxes checked under System > Advanced > Networking)

MTU is set to 1492

As soon as I revert back to the traditional mpd5 PPPoE client, the errors stop entirely.

Question:
Has anyone else experienced this issue with the new if_pppoe module?
Could this be a bug or a driver compatibility issue?

I'm happy to provide logs or run further tests if needed.

Thanks in advance!


[PT_BR]

Olá a todos,

Estou testando a nova opção do pfSense que permite usar o driver PPPoE via kernel (if_pppoe) em vez do tradicional mpd5, ativando a opção em:

System > Advanced > Networking

No meu caso, ao ativar essa opção, a conexão funciona normalmente, porém percebo um aumento imediato e constante de "Errors Out" na interface WAN que está conectada à Vivo Fibra (PPPoE).

Informações adicionais:
Interface afetada: WAN - VIVO_FIBRA

NIC: Ethernet Controller I226-V
ONU/Modem: MitraStar GPT-2742GX4X5

Hardware checksum, TSO e LRO estão desativados (todas as opções marcadas em System > Advanced > Networking)

MTU da interface está em 1492

Quando retorno para o driver tradicional (mpd5), os erros desaparecem completamente.

Pergunta:
Alguém mais percebeu esse comportamento com o novo if_pppoe?
Pode ser um bug no módulo ou alguma incompatibilidade com o driver da NIC?

Agradeço qualquer insight. Estou disposto a fazer testes e enviar logs se necessário.


Files

clipboard-202505290839-3ztib.png (8.43 KB) clipboard-202505290839-3ztib.png Crystian Geovani Dorabiatto, 05/29/2025 12:39 PM
clipboard-202505290839-x7frx.png (9.68 KB) clipboard-202505290839-x7frx.png Crystian Geovani Dorabiatto, 05/29/2025 12:39 PM

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