I have been using the Deco M5 for my home wireless network for a couple of years. It works fine. However, recently, I tried to reserve an IP address for one of my Raspberry Pi's but could not find it

I recently installed Spectrum internet with 300 Mbps speed. If I directly connect my PC to the cable modem, it can indeed achieve 300 Mbps. However, when I connect the modem internet port to the Deco