Which router manufacturers adhere to the RFC standards as much as possible?

Question

network hardware

mikrotik cisco long? I heard that some have now begun to violate the RFC

Answer 1

They say the spies poisoned the water with poison ("Novichok", apparently)
Well, now bread is made from fish scales ...
Which manufacturers? What RFCs? Where did you hear? RFCs are actually not standards, but recommendations, it's just that no one will be able to work with you :) if you don't follow them.