Enables or disables the router's ability to
be placed in loopback by a remote device connected on a CT3 or T3
interface. The no version disables the
router's ability to be placed in loopback by the remote device.
Options
customer—Enables the router to enter into loopback
when it receives an appropriate signal from the remote interface
network—Disables the router's ability to enter
into loopback when it receives an appropriate signal from the remote
interface
