PPPoE elevate

Hello Leandro,

Sounds like an MTU mismatch. Please check the links included below. You can always use Wireshark to capture PPPoE traffic and determine the negotiated MTU.

http://community.cambiumnetworks.com/t5/ePMP-Networking/High-level-RouterOS-PPPoE-Server-Client-Configuration-Example/m-p/49625#M14

http://community.cambiumnetworks.com/t5/ePMP-Networking/ePMP-PPPoE-Configuration-and-Troubleshooting-Considerations/m-p/49604#M13

Regards