1090 | Uplink Failure Detection (UFD)w w w . d e l l . c o m | s u p p o r t . d e l l . c o mClearing a UFD-Disabled InterfaceYou can manually bring up a downstream interface in an uplink-state group that has been disabled by UFDand is in a UFD-disabled error state. To re-enable one or more disabled downstream interfaces and clearthe UFD-disabled error state, enter the following command:5 description textCommand Mode:UPLINK-STATE-GROUP(Optional) Enters a text description of the uplink-state group.Maximum length: 80 alphanumeric characters.6 no enableCommand Mode:UPLINK-STATE-GROUP(Optional) Disables upstream-link tracking without deleting theuplink-state group.Default: Upstream-link tracking is automatically enabled in anuplink-state group.To re-enable upstream-link tracking, enter the enable command.Command Syntax Descriptionclear ufd-disable {interface interface |uplink-state-group group-id }Command Mode: CONFIGURATIONRe-enables a downstream interface on the switch/router that is in aUFD-disabled error state so that it can send and receive traffic.For interface, enter one of the following interface types:Fast Ethernet: fastethernet {slot/port | slot/port-range}1-Gigabit Ethernet: gigabitethernet {slot/port |slot/port-range}10-Gigabit Ethernet:tengigabitethernet {slot/port |slot/port-range}Port channel: port-channel {1-512 | port-channel-range}Where port-range and port-channel-range specify a range of portsseparated by a dash (-) and/or individual ports/port channels in anyorder; for example:gigabitethernet 1/1-2,5,9,11-12port-channel 1-3,5A comma is required to separate each port and port-range entry.uplink-state-group group-id re-enables all UFD-disableddownstream interfaces in the group. Valid values are 1 to 16.Step Command Syntax and Mode DescriptionDebug log messageDebug log message
