Downstream Disable Links - Dell Z9500 Reference Manual

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.
Z9500
Syntax
downstream disable links {number |all}
To revert to the default setting, use the no downstream disable links
command.
Parameters
number
all
Defaults No downstream links are disabled when an upstream link in an uplink-state group
goes down.
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(1.0)
8.3.19.0
8.3.12.0
8.4.2.3
Usage
A user-configurable number of downstream interfaces in an uplink-state group are
Information
put into a link-down state with an UFD-Disabled error message when one
upstream interface in an uplink-state group goes down.
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
•
1766
Enter the number of downstream links to be brought down
by UFD. The range is from 1 to 1024.
Brings down all downstream links in the group.
Description
Introduced on the Z9500.
Introduced on the S4820T.
Introduced on the S4810.
Introduced on the S-Series S50.
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.
Uplink Failure Detection (UFD)