CLI Guide
Version Description
8.4.2.3 Introduced on the S-Series S50.
Usage Information
When one upstream interface in an uplink-state group goes down, you can
configure the number of downstream interfaces in an uplink-state group are put
into a link-down state with an UFD-Disabled error message.
If all upstream interfaces in an uplink-state group go down, all downstream
interfaces in the same uplink-state group are put into a link-down state.
Related
Commands
• downstream — assigns a port or port-channel to the uplink-state group as a
downstream interface.
• uplink-state-group — creates an uplink-state group and enables the tracking of
upstream links.
enable
Enable uplink state group tracking for a specific UFD group.
Syntax
enable
To disable upstream-link tracking without deleting the uplink-state group, use the
no enable command.
Defaults Upstream-link tracking is automatically enabled in an uplink-state group.
Command Modes UPLINK-STATE-GROUP
Command History
This guide is platform-specific. For command information about other platforms,
see the relevant Dell Networking OS Command Line Reference Guide.
Version Description
9.8(2.0) Introduced on the S3100 series.
9.8(0.0P5) Introduced on the S4048-ON.
9.8(0.0P2) Introduced on the S3048-ON.
9.2(1.0) Introduced on the Z9500.
9.2(0.0) Introduced on the M I/O Aggregator. This command is
supported in Programmable-Mux (PMUX) mode only.
8.3.19.0 Introduced on the S4820T
8.3.12.0 Introduced on the S4810.
8.4.2.3 Introduced on the S-Series S50.
Uplink Failure Detection (UFD)
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