Reference Guide
930 | Uplink Failure Detection (UFD)
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Clearing a UFD-Disabled Interface
You can manually bring up a downstream interface in an uplink-state group that has been disabled by UFD
and is in a UFD-disabled error state. To re-enable one or more disabled downstream interfaces and clear
the UFD-disabled error state, enter the following command:
Command Syntax Description
clear ufd-disable {interface interface |
uplink-state-group group-id }
Command Mode: EXEC
Re-enables a downstream interface on the switch/router that is in a
UFD-disabled error state so that it can send and receive traffic.
For interface, enter one of the following interface types:
10-Gigabit Ethernet: tengigabitethernet {slot/port | slot/port-range}
40-Gigabit Ethernet: fortyGigE {slot/port |slot/port-range}
Port channel: port-channel {1-512 | port-channel-range}
Where port-range and port-channel-rangee specify a range of ports
separated by a dash (-) and/or individual ports/port channels in any
order; for example:
tengigabitethernet 1/1-2,5,9,11-12
port-channel 1-3,5
A comma is required to separate each port and port-range entry.
clear ufd-disable {interface interface | uplink-state-group group-id}
re-enables all UFD-disabled downstream interfaces in the group.
Range: 1 to 16.










