How to solve the "double router" of Wi-Fi?Prevention of trouble in online games

"Double router" causes trouble depending on the usage environment

Home gateway (HGW) is often installed in families using optical lines.In some cases, a Wi-Fi router is connected to an HGW with a router function, and it is commonly called a "double router".[Visual commentary] The "double router" state of Wi-Fi is eliminated in this way

■ How to find out whether it is a double router

Even in the state of the double router, it does not hinder the browsing of the web, but online games and the like may cause trouble.If you are worried, use the "Tracert" command to see the double router.This is a command that checks the router via the specified server.The IP address of the home router is usually "192.It starts with 168…, so if you have two, it's a double router.

■ Switch functions to access points

When eliminating the double router, if the router function on the HGW side is turned off, the "Hikari phone" will not be used, so the principle is to cut the Wi-Fi router side.Switch to access points and bridges on the router body or setting screen.Some Wi-Fi routers have a product that identifies other routers and automatically turn on their own functions.However, if there is no problem, there is not much need to eliminate the double router.The impact on the speed decrease is small, and there is also the merit that the firewall function is double and the safety is increased.(Writer Shunsuke Igarashi) [Nikkei PC21 January 2022 Issued Articles published]