Internet disconnecting every 30 seconds, unable to do anything

Happened last week, now again this week. My modem is a Arris surfboard SB8200 paying for up to 1gig speeds.
Internet has been inconsistent for the past 2 days here in Chicago, IL. Unable to do any calls, gaming, streaming due to constant random disconnects every 30 seconds. No hardware changes, this is happening on my pc via Ethernet, and all my devices through the house. Tried resetting the modem, but problem still persists. Has been going on for days straight, and not sure what other steps to take to diagnose, I cannot get any work done