For my mobile device, I'm using the YouTube app. In my laptop, Google Chrome.
Try looking for these settings in your router, as suggested by Google. These are usually buried in the advanced settings of the router.
Universal Plug and Play (UPnP)
Internet Group Management Protocol (IGMP)
Virtual private networks (VPNs)
Thanks, Niel. I have also seen this article from Google. However, I cannot seem to find these settings in my router. That is why I am asking what particular settings am I supposed to have for those individuals that have the same router as me.