download speed below 100 Mbps with Tango Fiber M


I have an issue with low Tango Fiber bandwidth :

90 Mbps download speed,

while I do have a Cat8 Veetop Ethernet cable between the FritzBox 7583 and the Fiber black box on the wall.

Why so slow ???

My network card is 1Gbps and i am on cable, not even on WiFi.

Thanks in advance !


Meilleure réponse par Alin 6 October 2021, 15:19

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Hi @adyendre ,


as seen together on the phone the issue might be related to the PPPOE users. 


Your case is under investigation for the moment and as soon as we have more informations related to the issue we’ll let you know.


Best regards,