Fa0/1 is up, line protocol is down (notconnect)

Well with all these comments in my case I was monitoring another port.   As soon I removed the monitor session the Protocol came up

SWT55#sh ip interface brief

GigabitEthernet1/0/18  unassigned      YES unset  up                    down

SWT55#sh monitor session all

Session 1

---------

Type                   : Local Session

Source Ports           :

    Both               : Gi1/0/11

Destination Ports      : Gi1/0/18

    Encapsulation      : Native

          Ingress      : Disabled

OS1SWT55(config)#no monitor session 1

Fa0/1 is up, line protocol is down (notconnect) 2017-08-17T15:08:00-07:00 Rating: 4.5 Diposkan Oleh: Unknown