shutdown
This command disables the specified tunnel interface. Use the no form of this command to enable the interface.
Syntax
shutdown no shutdown
No arguments exist for this command.
Default
When creating a new interface, it is disabled by default.
Command Mode
Privileged User
Example
This example enables GRE 6.
# configure data (config-data)# interface gre 6 (conf-if-GRE 6)# no shutdown