Like I said... I'm stuck with that part of the setup. But I am trying to figure out how much I will really loose sending the LAN back over the 100 port. The internet speed is 200. I don't anticipate high usage coming off the this new segment of internet.
This part of my setup can't change: Cable modem to 3COM 4500 (1) over copper to Gigabit port. 3COM 4500 (1) and 3COM 4500 (2) connect via fiber. 3COM 4500 (2) to 3COM 4500 (3) over copper on Gigabit port. ASUS AC88U router to 3COM 4500 (3) over copper Gigabit port. There are 3 VLANs running...