The webui interface use to show 5 to 6 tabs and I was able to do some configuration from the browser. Now the browser is only showing me monitoring tabs. Not sure why, any thoughts? The switch is version 16.6.9

I am fairly new at this, very new to cisco products. I'm what you would call a nub.So my question is, I have 3650-48pq-E switch and g1/0/48 set up as a trunk port. When I issue a [show interface g1/0/48 trunk] it shows; vlans allowed on trunk as none...