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Home Documentation Junos OS Junos CLI Reference CLI Reference L

Junos CLI Reference

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Junos CLI Reference
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loopback (Serial)

date_range 20-Nov-23
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Syntax

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loopback mode;

Hierarchy Level

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[edit interfaces interface-name serial-options]

Description

Configure a loopback connection.

Default

If you do not include this statement, there is no loopback connection.

Options

mode—You can specify the one of the following loopback modes:

  • dce-local—For EIA-530 interfaces only, loop packets back on the local DCE.

  • dce-remote—For EIA-530 interfaces only, loop packets back on the remote DCE.

  • local—Loop packets back on the local router’s PIC.

  • remote—Loop packets back on the line interface unit (LIU).

Required Privilege Level

interface—To view this statement in the configuration.

interface-control—To add this statement to the configuration.

Release Information

Statement introduced before Junos OS Release 7.4.

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