Instead of that I highly recommend either setting up a VM or picking up a $35 thin client and running OPNSense. After years of OpenWRT/DD-WRT I switched about 5 years ago and oh my god what a difference. You will spend basically 0 time on system maintenance and just focus on the actual networking stuff. It has more knobs than a basic router but the UI is excellent and there are very few bugs, if any.
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I'm in the middle of setting up DD-WRT on an old router (I'd use OpenWRT if I could) just to play around with VLANs and AP isolation.
Instead of that I highly recommend either setting up a VM or picking up a $35 thin client and running OPNSense. After years of OpenWRT/DD-WRT I switched about 5 years ago and oh my god what a difference. You will spend basically 0 time on system maintenance and just focus on the actual networking stuff. It has more knobs than a basic router but the UI is excellent and there are very few bugs, if any.