@Ratsima Looks like Deco MAC address is different when Deco is in Router mode than when it is in Access Point mode. I made a mistake assuming Deco mode makes no difference, so thanks for testing it...

@Benedictm Wired Deco M5 can't deliver speeds faster than 500Mbps, and wirelessly connected Satellite M5 can't do better than 250Mbps. This is what I observed in my tests. If you want speeds closer...

@Ratsima Ratsima wrote @Alexandre. See this Wikipedia article: MAC Address which contains this: Network nodes with multiple network interfaces, such as routers and multilayer switches, must have a...

@Benedictm Usually if everything works, people don't tend to redo their home network. Do you have reason to try separate router? Because, otherwise, the answer would be "yes, you can, but nobody can...

@JBNL013 With Deco M9 and M5, you can have two network SSID: one for Main Network and one for Guest Network. You can't have more than two. If you want to configure two WiFi networks, you can do that...

@rmoronf For troubleshooting purposes, consider eliminating Netgear switch temporarily, to verify if it causes the issues. I do recall having conversation with someone who found issues caused on...