@LH865 Make sure you're with the latest FW release for RE450. When you do that try the WPS method for adding the RE5450 to the OneMesh - video. If this method doesn't work either try this video guide.

@rrre220 This should not be a problem if you're the only person who knows the RE220 admin password. This password is visible only for the RE220 administrator account.

@ZEPPERION Make sure your FTP server is configured properly. If there's no active service on port 21 router may report it as closed from an external network. Use the stories I posted to see how to...

@ZEPPERION You can check an example for configuring a passive FTP service (Windows) - here. You can also check an example for configuring passive FTP service on Synology NAS - here.

@BlakeCruz This shouldn't be a problem because on the support portal is written: Normally Vx.0=Vx.6/Vx.8 (eg:V1.0=V1.6/V1.8); Vx.x0=Vx.x6/Vx.x8 (eg:V1.20=V1.26/V1.28 That means the FW releases for HW...

@malada If you choose AXE4900 you'll get a whole home mesh system and won't need any additional range extenders. If you don't have any Wi-Fi 7 capable client devices then nothing to worry about (both...