I didn’t find any true 3-port MagJack with built-in magnetics + LEDs in the Flux library. The closest multi-jack connectors available are standard RJ45 stacks without magnetics or LED indicators:

If you really need three ports with integrated magnetics and LEDs, you have two main options:

Let me know which approach you’d like to take, or if you’d like me to add any of the above parts to your schematic.