Command Line Reference Guide

Related
Commands
• upstream— assigns a port or port-channel to the uplink-state group as an
upstream interface.
• uplink-state-group — creates an uplink-state group and enables the tracking of
upstream links.
downstream auto-recover
Enable auto-recovery so that UFD-disabled downstream ports in an uplink-state group automatically
come up when a disabled upstream port in the group comes back up.
Syntax
downstream auto-recover
To disable auto-recovery on downstream links, use the no downstream auto-
recover command.
Defaults The auto-recovery of UFD-disabled downstream ports is enabled.
Command
Modes
UPLINK-STATE-GROUP
Command
History
This guide is platform-specific. For command information about other platforms,
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) Introduced on the M I/O Aggregator. This command is
supported in Programmable-Mux (PMUX) mode only.
Version
8.3.19.0
Introduced on the S4820T.
Version
8.3.12.0
Introduced on the S4810.
Version 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.
downstream disable links
Configure the number of downstream links in the uplink-state group that are disabled if one upstream
link in an uplink-state group goes down.
Syntax
downstream disable links {number |all}
To revert to the default setting, use the no downstream disable links
command.
1524
PMUX Mode of the MXL 10/40GbE Switch I/O Module