Enable - Dell S4810 Reference Manual

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
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Commands
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enable

Enable uplink state group tracking for a specific UFD group.
S4810
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 UPLINK-STATE-GROUP
Modes
Command
This guide is platform-specific. For command information about other platforms,
History
refer to the relevant Dell Networking OS Command Line Reference Guide.
The following is a list of the Dell Networking OS version history for this command.
Version 9.2(0.0)
Version
8.3.19.0
Version
8.3.12.0
Version 8.4.2.3
Related
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Commands
1682
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.
Introduced on the M I/O Aggregator. This command is
supported in Programmable-Mux (PMUX) mode only.
Introduced on the S4820T
Introduced on the S4810.
Introduced on the S-Series S50.
uplink-state-group — creates an uplink-state group and enables the tracking of
upstream links.
Uplink Failure Detection (UFD)