> > How do you know you have connected a 400000baseLR4 to a > > 400000baseER4 with a 40Km and it is not expected to work, when looking > > at ethtool? I assume the EEPROM contents tell you if the module is > > LR4, ER4, or FR4? > > > > Andrew > Correct.
Hi Meir Do you also have patches to Ethtool to decode these bits in the SFP EEPROM? > In addition, this is the terminology exposed in 50 Gbps and we > followed it. Yes, i missed the patch which added those. I would probably of objected. But we have them now, so lets keep going. But we might want a clear definition of when modes can be combined like this. Andrew
