@HiroHoshi In general, under normal circumstances you should connect the main router LAN port to the satellite router WAN port. This way you would have all four LAN ports on the satellite router free...

@Pablo_Martinez In your first post you mentioned that 192.168.0.206 is the IP address of your printer. Can you describe your network topology, e,g, do you have more than one router in your LAN, any...

@Pablo_Martinez From your screenshot it appears that a device in your LAN is querying your router via SNMP protocol and the router thinks that it's an actual threat. That's not an actual threat -...

@Pablo_Martinez Something's wrong with your IP address settings: At least two different devices are receiving the same IP address as your printer in question (192.168.0.206). If you're trying to bind...

@Jasson_Hong Try disabling Smart Connect feature of your main router and test if there's any improvement. By disabling Smart Connect you can separate your 2.4 GHz and 5 GHz networks with a different...

@Ramsun Make sure you're with the latest FW release for the RE - you can get it from here. Reset the RE to it factory default by pressing the reset button fro abut 10 seconds. Then use this video to...