Environment : In a scenario with 3g/4g as uplink, for various reason the Ethernet ports needs to be shut. Any code above 3.1
From the Access Point list in the GUI, select the AP
Click on Edit
Click on "Uplink" tab and select Enabled for "Eth0 bridging" (as shown below)
To block port E0.
Log into Instant WebUI .
Click on "Wired" from the Main menu in the top-right corner.
Click on "New" to create Wired Ethernet Profile:
Under Wired Settings, we can see an option admin status next to it please press the drop down arrow and select disable.
show port status --> to verify