@redfitz Since it is both Ethernet and wifi, I would suspect the Macbook. Use your OS utilities to see if you can isolate the issue. Start with the activity monitor. Also do the usual things like...

@Jhill78 google 'easymesh tp link' and look at the available devices. look at the RE devices as that sounds like what you need. Select one for the features you need and price point. wifi 6? Tri-band?...

@Gupta_Bryan Are all the SSIDs different - guest and non-guest? I would try using one guest network at a time to see if one of them is causing the issue. If one is, then I would isolate each device...

@GoonerTastic72 It appears that is used to help identify the devices by sending the MAC of your devices out on the web and get back info on the device. I do not think you would see any impact on your...

@rmr48 If you use the Xfinity gateway, you have several common ways to use your router. 1. Connect the router in AP mode and it is an extension of your network. The gateway is the major conroller of...

@charleyrich Never used one but I would suspect the loss from the cable would be lower than the gain you get from using it.