show udld unit/slot/port

This command displays the UDLD settings for the specified unit/slot/port. If the all keyword is entered, it displays information for all ports.

Format	show udld {unit/slot/port \| all}
Mode	User EXEC Privileged EXEC

Column

Meaning

Port	The identifying 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: 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 the UDLD protocol on the switch.

The following example shows CLI display output for the command.

(Extreme 220) #show udld 0/1
Port       Admin Mode   UDLD Mode      UDLD Status
-----      ----------   -----------    --------------
0/1        Enabled      Normal         Not Applicable

The following example shows CLI display output for the command.

(Extreme 220) #show udld all
Port       Admin Mode   UDLD Mode      UDLD Status
-----      ----------   -----------    --------------
0/1        Enabled      Normal         Shutdown
0/2        Enabled      Normal         Undetermined
0/3        Enabled      Normal         Bidirectional
0/4        Enabled      Normal         Not Applicable
0/5        Enabled      Normal         Not Applicable
0/6        Enabled      Normal         Not Applicable
0/7        Enabled      Normal         Not Applicable
0/8        Enabled      Normal         Shutdown
0/9        Enabled      Normal         Not Applicable
0/10       Enabled      Normal         Not Applicable
0/11       Enabled      Normal         Not Applicable
0/12       Enabled      Normal         Undetermined
0/13       Enabled      Normal         Bidirectional
0/14       Disabled     Normal         Not Applicable
0/15       Disabled     Normal         Not Applicable
0/16       Disabled     Normal         Not Applicable
0/17       Disabled     Normal         Not Applicable
0/18       Disabled     Normal         Not Applicable
0/19       Disabled     Normal         Not Applicable
0/20       Disabled     Normal         Not Applicable
--More-- or (q)uit
(Extreme 220) #

Published February 2019prev | next

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