@CelestialVeil The router is not meant to be managed by a telnet connection. If you put an outdated FW on the device it can become vulnerable to other exploits as well. On top of that some new FW...

@RequiredAlias To be easier for you to measure the signal strength I would recommend to set a different SSIDs on the RE315 (SSID_name_EXT for example). Then you should be able to check the signal...

@computergamer55 Since you can't select only 80Mhz channel width, keep your current setting of "20MHZ / 40MHZ / 80MHZ". It should be an equivalent of the Auto setting in other FW releases. Here's a...

@jwagman1 Chek this FAQ for details on that matter.

@komp66 TL-SG608 is plug and play swicth - that means it's a unmanaged switch and it doesn't need any configuration to work properly. Plug your PC in another switch port. If PC still works fine then...

@Rain123456 Here you go: