Engadget Flags Common Home Network Setup Mistakes

The guide says router placement is a frequent error. A router should sit in a central location rather than being hidden in an out-of-the-way corner, even if that means compromises on home decor. It should also be kept away from microwaves, cordless phones and baby monitors, which can disrupt Wi-Fi signals. If a home's internet connection enters through a corner, the guide says users can run an Ethernet cable to a second access point elsewhere, though that requires hiding extra cabling.

The equipment should match the internet plan. In rural areas where DSL or satellite service is the best available option, a high-speed gaming router is unnecessary, according to the guide. Larger or multi-story homes may benefit from a mesh system, but the placement of each node is critical for whole-home coverage.

The guide also warns against using Wi-Fi for every device. Online gaming, for example, needs a stable, low-latency connection. In a home with multiple smartphones, tablets, televisions, smart speakers, game consoles and a gaming PC, an Ethernet cable from the router to the PC can avoid Wi-Fi slowdown and interference. Cat6a cable can support 10-gigabit connections over channels up to 100 meters, the guide says, which is useful for very high-speed internet service. Before running cables, users should plan where wired devices will go, add networking equipment one piece at a time, confirm each stage works and label cables to make later troubleshooting easier.

On the software side, the guide identifies weak router security as one of the most disruptive and damaging mistakes. It recommends enabling WPA3 Personal if the router and devices support it. If older equipment cannot connect, WPA2/WPA3 transitional mode lets compatible devices use WPA3 while others use WPA2 Personal with AES. It advises against outdated options such as WEP and TKIP. Users should also change the router's administrator credentials and Wi-Fi password, replacing default administrator credentials with a strong password rather than something weak like a phone number, and keep the router's firmware up to date to avoid known vulnerabilities.

Another common error is buying a mesh network setup or new router without checking how it will work with existing equipment. Two DHCP servers handing out addresses on the same network can create conflicts, so adding another router may require bridge mode or access point mode, according to the guide. Network equipment instructions should walk users through the right configuration. The guide recommends keeping the setup simple, documenting it and adding new features gradually.