show udld interface

Displays unidirectional link detection (UDLD) protocol information for the specified interface.

Syntax

show udld interface [ ethernet slot/port ]

Parameters

ethernet: Specifies a physical Ethernet interface.
slot: Specifies a valid slot number. For devices that do not support line cards, specify 0.
port: Specifies a valid port number.

Modes

Privileged EXEC mode.

Usage Guidelines

The following describes the values that appear in the output headings for this command.

Table 1. Description UDLD headings
Heading	Description
State	Describes if UDLD is enable or disabled.
Mode	Describes if the mode is Receive, Transmit, or Both (Transmit/Receive).
Advertise Transmitted	Describes how often the advertisement is transmitted.
Hold time for advertise	Describes the hold time for receiving devices before discarding.
Re-init Delay Timer	The timer for the reinitializing delay
Tx Delay Timer	The timer for transmission
DCBX Version	The current DCBX version
Auto-Sense	States whether Auto-Sense is active.
Transmit TLVs	Describes what information is being transmitted for the TLV.
DCBX FCoE Priority Bits	Describes the current FCoE priority bit for DCBX.

Examples

To display UDLD information for a specific Ethernet interface:

device# show udld interface ethernet 2/6
Global Admin State:  UDLD enabled

UDLD information for Ethernet 2/6
  UDLD Admin State:                  Enabled
  Interface Operational State:       Bidirectional link
  Remote hello time:                 Unknown
  Remote MAC Addr:                   0024.3890.0d81
  Local system id:  0x9f01fee0       Remote system id: 0x24900c00
  Local port :      2/6              Remote port :     9/2    
  Local link id:    0x0              Remote link id:   0x0      
  Last Xmt Seq Num: 43849            Last Rcv Seq Num: 43880