Randomly last night my internet dropped to 15 mbps download speed when usually it hovers around 450 mbps. My upload speed is unchanged. This has resulted in inconsistent connections in online games, buffering youtube videos/streams, extended time in downloading videos, and the like. There will be times when it randomly briefly (minutes tops) goes back to 400 but then back to 15. I talked to spectrum twice about this and they keep saying it looks normal on their end and that they need to send an agent out here which would be monday. I figured I'd try to fix it myself before then so does anyone have any suggestions? Nothing was tampered with when this issue started, and I tried restarting my router/modem, checked coax connections, unplugged/plugged in router/modem. What else can I do here? This is an issue for both wired and wireless internet.