Reference Guide

• Port channel: port-channel {1-512 | 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 FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
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.
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.
You can assign individual member ports of a port channel to the group. An uplink-state group
can contain either the member ports of a port channel or the port channel itself, but not both.
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.
S4820T
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
1380