Reference Guide

1498 | Uplink Failure Detection (UFD)
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Parameters
Defaults
A downstream interface in an uplink-state group that has been disabled by UFD is
disabled and in a UFD-disabled error state.
Command Modes
CONFIGURATION
Command
History
Related
Commands
debug uplink-state-group
s S50 only
Enable debug messages for events related to a specified uplink-state group or all
groups.
Syntax
debug uplink-state-group [group-id]
Parameters
Defaults
None
Command Modes
EXEC Privilege
interface interface Specifies one or more downstream interfaces.
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 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.
uplink-state-group
group-id
Re-enables all UFD-disabled downstream interfaces in the group.
Vali d group-id values are 1 to 16.
Version 8.3.19.0 Introduced on S4820T
Version 8.3.12.0 Introduced on S4810
Version 8.4.2.3 Introduced on the S-Series S50.
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.
group-id Enables debugging on the specified uplink-state group. Valid group-id values
are 1 to 16.