On Mon, 12 Oct 2020 15:33:45 +0000 Danielle Ratson wrote: > > What's the use for this in practical terms? Isn't the lane count basically > > implied by the module that gets plugged in? > > The use is to enable the user to decide how to achieve a certain speed. > For example, if he wants to get 100G and the port has 4 lanes, the > speed can be achieved it using both 2 lanes of 50G and 4 lanes of > 25G, as a port with 4 lanes width can work in 2 lanes mode with > double speed each. So, by specifying "lanes 2" he will achieve 100G > using 2 lanes of 50G.
Can you give a concrete example of serdes capabilities of the port, what SFP gets plugged in and what configuration user wants to select?
