Users Guide

Version Description
9.2(1.0) Introduced on the Z9500.
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.
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.
debug uplink-state-group
Enable debug messages for events related to a specified uplink-state group or all groups.
Syntax
debug uplink-state-group [group-id]
To turn off debugging event messages, enter the no debug uplink-state-group [group-id]
command.
Parameters
group-id Enables debugging on the specified uplink-state group. The valid group-id values
are from 1 to 16.
Defaults none
Command Modes EXEC Privilege
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.
Related
Commands
● clear ufd-disable — re-enable downstream interfaces that are in a UFD-Disabled Error state.
description
Enter a text description of an uplink-state group.
Syntax
description text
Parameters
text Text description of the uplink-state group. The maximum length is 80 alphanumeric
characters.
1416 Uplink Failure Detection (UFD)