> My KSZ9477 board does not have that I2C connection, so I cannot > implement the change as suggested. I would say any board without the I2C bus connected is fatally broken. Most SFPs are buggy, and don't follow the standard. You need to read the vendor and product ID so you can enable various quirks to make them work correctly. > I am getting a new design board that needs verification of this > connection. After I make it work I will re-submit the patch. O.K, that sounds good. Andrew