[ no ] shutdown
Command introduced before JUNOSe Release 7.1.0.
In Controller Configuration Mode, disables CT3, E3, SONET, and T3 controllers. These controllers are disabled by default. In Interface Configuration mode, disables Ethernet interfaces, the HDLC layer of serial interfaces, and the SONET layer of ATM or POS interfaces. These interfaces are enabled by default. In Subinterface Configuration mode, disables ATM 1483, Ethernet, Frame Relay, PPPoE, and VLAN subinterfaces. These subinterfaces are enabled by default. The no version restarts disabled controllers, interfaces, and subinterfaces.
Controller Configuration, Interface Configuration, Subinterface Configuration