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show interfaces demux0 (Demux Interfaces)



Display status information about the specified demux interface.



Display standard information about the specified demux interface.

brief | detail | extensive | terse

(Optional) Display the specified level of output.


(Optional) Display interface description strings.


(Optional) Display media-specific information.

snmp-index snmp-index

(Optional) Display information for the specified SNMP index of the interface.


(Optional) Display static interface statistics.

Required Privilege Level


Output Fields

Table 1 lists the output fields for the show interfaces ifl-name command. Output fields are listed in the approximate order in which they appear.

Table 1: show interfaces Output Fields

Field Name

Field Description

Level of Output

Physical Interface  


Status of the physical link (Up or Down).

terse none

Targeting summary

Status of LT links that are configured with targeted distribution (primary or backup)

extensive none

Logical Interface  

Logical interface

Name of the logical interface.

brief detail extensive none


Index number of the logical interface, which reflects its initialization sequence.

detail extensive none

SNMP ifIndex

SNMP interface index number for the logical interface.

detail extensive none


Information about the logical interface. Possible values are described in the “Logical Interface Flags” section under Common Output Fields Description.

brief detail extensive none


Type of encapsulation configured on the logical interface.

brief extensive none


Specific IP demultiplexing (demux) values:

  • Underlying interface—The underlying interface that the demux interface uses.
  • Index—Index number of the logical interface.
  • Prefix—inet family prefix.
  • Family—Protocol family configured on the logical interface.
  • Source prefixes, total—Total number of source prefixes for the underlying interface.

detail extensive none

Sample Output

show interfaces demux0 ifl-name

Release Information

Command introduced in Junos OS Release 21.4R1.