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Weird MTUs: DSL with PPPoE encapsulation, maybe? iirc they tend to use 1492 or 1452 rather than the usual 1500.



Wow that's a trip down memory lane!

It would be 1492 to allow for another 8 bytes of PPPoE overhead, there are some scenarios where 1508 byte frames might be floating around but I don't really know if anyone adopted that standard.


That is exactly what I have.




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