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downstream
Assign a port or port-channel to the uplink-state group as a downstream interface.
Syntax
downstream interface
To delete an uplink-state group, enter the no downstream interface
command.
Parameters
interface Enter one of the following interface types:
• 10 Gigabit Ethernet: tengigabitethernet {slot/
port | slot/port-range}
• 40-Gigabit Ethernet:fortyGigE {slot/port}
• Port channel: port-channel {1–128 | port-
channel-range}
Where port-range and port-channel-range specify a
range of ports separated by a dash (-) and/or individual
ports/port channels in any order; for example:
gigabitethernet 1/1-2,5,9,11-12 port-channel
1-3,5
. A comma is required to separate each port and port-
range entry.
Defaults none
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 Description
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.
Usage
Information
You can assign physical port or port-channel interfaces to an uplink-state group.
You can assign an interface to only one uplink-state group. Configure each
interface assigned to an uplink-state group as either an upstream or downstream
interface, but not both.
Uplink Failure Detection (UFD)
1821