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#11
Sure, I can do that but I found it just easier to add a second router. Key reason is this allows me to use smartdns settings from vpn provider so I can get round regional dns issues e.g. access netflix usa rather than netflix uk. I can change settings in windows as you say but if I decide to revert to netflix uk, I have to change settings in Windows again. By having two routers (with different wifi ssid), I can select which router to connect to.
I am not saying that this is the only solution but it works for me and was free virtually as I have several old routers lying around (if you ignore power costs).