Thank you for contacting Lennar Home Community.
Hope you are doing well!!!
Apologies for the delayed response on this.
Thank you for the information you shared.
From the case description, I could understand that you have a RUCKUS AP and a ICX-7150-C12P Switch. And you need assistance in setting up these with your ISP Router.
Please refer to the below guide for connection setup:
Most common Setups for Lennar homes users:
Please let me know if you have any queries in this regard.
Lennar Home Community.