Utility Commands
440
M4100 Series ProSAFE Managed Switches
If you do not enter a value for the <slot/port> parameter, the command output displays
the fields that are shown in the following table.
If you enter a value for the <slot/port> parameter or you use the all keyword, the
command output displays the fields that are shown in the following table.
• 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.
show usb device
This command displays USB flash device details.
Term Definition
Admin Mode The global administrative mode of UDLD.
Message Interval The time period (in seconds) between the transmission of UDLD probe packets.
Timeout Interval The time period (in seconds) before making decision that link is unidirectional.
Term Definition
Slot/Port The identifying slot and port of the interface.
Admin Mode The administrative mode of UDLD configured on this interface. This is either Enabled or
Disabled.
UDLD Mode The UDLD mode configured on this interface. This is either Normal or Aggressive.
UDLD Status The status of the link as determined by UDLD. The options are:
Format show USB device
Mode Privileged EXEC
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