It doesn't appear to extend the SSID via the uplink port however does if you use the switch ports.   In my scenario I have the following connections: no SSID extension to the attached switch MR30H plugged into an MS220-8P for power confirmed SSID extension to the attached switch MR30H plugged into an MS220-8P for power + MR30H switch port 1 plugged into MS220-8P I have a feeling this LAN extension feature is affected by the AP switch port policies and blocking the "LAN" traffic on the uplink port ... View more