Reference Guide

1072 | Uplink Failure Detection (UFD)
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You can assign an interface to only one uplink-state group. Each interface assigned to an
uplink-state group must be configured 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.
To delete an uplink-state group, enter the no upstream interface command.
Related
Commands
Example
FTOS(conf-uplink-state-group-16)# upstream gigabitethernet 1/10-15
FTOS(conf-uplink-state-group-16)#
downstream Assign a port or port-channel to the uplink-state group as a downstream
interface.
uplink-state-group Create an uplink-state group and enabling the tracking of upstream
links.