I returned Comcast's modem because: 1) I wanted better control of routing (have a bunch of wireguard tunnels). I want all the IOT-crap on a separate network, e

I returned Comcast's modem because: 1) I wanted better control of routing (have a bunch of wireguard tunnels). I want all the IOT-crap on a separate network, etc. 2) Whenever there is a transient link connectivity issue on the cable side it seems that the comcast modem tries to "fix" this by rebooting itself which takes a good 5 minutes. I got a Netgear CM700 which is basically just a DOCSIS / Ethernet -bridge (you just get the public IP using DHCP on the ethernet side). The cable modem connects to a homegrown Linux ARM based router and then I use Unifi PRO Access Point from Ubiquity Networks for Wifi. Never looked back since. The Unifi AP have multiple SSID's configured which is separated on different vlans on the way back to the router. The Netgear modem have so far never had a single hick-up from what I can tell (about six months in now). OpenWRT certainly is an option, but unfortunately getting high performance wifi out of it is a bit of a dice roll in my experience. I've tried a few hardware variants but eventually gave up and bought the Unifi PRO instead. Also I'd just rather have separate things that do each thing well.