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Utility Commands
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ProSafe M4100 and M7100 Managed Switches
show udld
This command displays the global settings of UDLD.
Format show udld
Mode
Admin Mode
Message
Interval
Timeout Interval
show udld <slot/port>
This command displays the UDLD settings for the specified <slot/port>. If the “all” keyword is
entered, it displays information for all ports.
Format show udld {< slot/port> | all }
Mode
• Privileged EXEC
• User EXEC
Slot/Port
Admin Mode
UDLD Mode
UDLD Status
• “Undetermined” - UDLD has not collected enough information to determine the state
of the port
• “Not applicable” - UDLD is disabled, either globally or on the port
• “Shutdown” - UDLD has detected a unidirectional link and shutdown the port, That
is, the port is in an errDisabled state.
• “Bidirectional” - UDLD has detected a bidirectional link.
• “Undetermined(Link Down)” - The port would transition into this state when the port
link physically goes down due to any reasons other than the port been put into
D-Disable mode by UDLD protocol on the switch.
USB commands
If there is an USB flash device in the USB slot, the commands display the device status and
content.
Privileged EXEC
Term Definition
The global administrative mode of UDLD.
The time period (in seconds) between the transmission of UDLD probe packets.
The time period (in seconds) before making decision that link is unidirectional.
Term Definition
The identifying <slot/port> of the interface.
The administrative mode of UDLD configured on this interface. This is either “Enabled” or
“Disabled”.
The UDLD mode configured on this interface. This is either “Normal” or “Aggressive.”.
The status of the link as determined by UDLD. The options are: