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undo loopback
View CT1/PRI interface view
Parameter local: Enables the CT1/PRI interface to perform local loopback.
payload: Enables the interface to perform external payload loopback.
remote: Enables the interface to perform remote loopback.
Description Use the
loopback command to enable local, remote, or external payload
loopback on the CT1/PRI interface.
Use the
undo loopback command to restore the default.
By default, loopback is disabled.
Loopback is intended for checking the condition of interfaces or cables. Disable it
otherwise.
You can bundle timeslots on a CT1/PRI interface to form a serial interface and
encapsulate it with PPP. After you enable loopback on this serial interface, it is
normal that the state of the link layer protocol is reported down.
Example # Enabled remote loopback on interface T1 2/0.
<Sysname> system-view
[Sysname] controller t1 2/0
[Sysname-T1 2/0] loopback remote
pri-set (CT1/PRI interface view)
Syntax pri-set [ timeslot-list list ]
undo pri-set
View CT1/PRI interface view
Parameter list: Specifies timeslots to be bundled. Timeslots are numbered 1 through 24. You
may specify a single timeslot by specifying a number, a range of timeslots by
specifying a range in the form of number1-number2, or several discrete timeslots
by specifying number1, number2-number3.
Description Use the
pri-set command to bundle timeslots into a PRI set on the CT1/PRI
interface.
Use the
undo pri-set command to remove the timeslot bundle.
By default, no PRI set is created.