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show uplink-failure-detection



Release Information

Command introduced in Junos OS Release 11.1.


Display information about the uplink-failure-detection group, the member interfaces, and their status.


noneDisplay information about all groups configured for uplink failure detection.
group group-name(Optional) Display information about the specified group only.

Required Privilege Level


List of Sample Output

show uplink-failure-detection

show uplink-failure-detection group g2

Output Fields

Table 1 lists the output fields for the show uplink-failure-detection command. Output fields are listed in the approximate order in which they appear.

Field Name

Field Description


Name of the group.


The uplink interface or interfaces configured as link-to-monitor.

Note: The asterisk (*) indicates that the link is up.


The downlink interface or interfaces configured as link-to-disable.

Note: The asterisk (*) indicates that the link is up.

Failure Action

Status of uplink failure detection:

  • Active—The switch has detected an uplink failure and has brought the downlink down.

  • Inactive—The uplink or uplinks are up.

Debounce Interval

The amount of time, in seconds, that elapses before the downlink interfaces are brought up after a state change of the uplink interfaces.

Sample Output

show uplink-failure-detection

user@switch> show uplink-failure-detection

Sample Output

show uplink-failure-detection group g2

user@switch> show uplink-failure-detection group g2