Noob needs help with Internet for RHEL7 new installation.

Hello

I am having a tough time finding a solution for a new installation of RHEL7 which is fantastic by the way but it doesn't see the Arris SBG6580 wireless cable modem gateway nor does it seem to see the wireless adapter that is plugged in. It does see the Bluetooth adapter so that is good.

I am mostly a click and go kind of guy and I like having RHEL so I find some set-up challenges difficult.

I looked in /etc at a couple of things that I read about in the https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/pdf/Networking_Guide/Red_Hat_Enterprise_Linux-7-Networking_Guide-en-US.pdf and I see that there isn't anything for the Cable modem. There is an entry for the Unknown with hardware address 00:00:00:00:00:00

I can use some help. Modem works when plugged into Laptop running RHEL6 and Laptop is on Wireless right now.