Cisco 300 Series Cli Manual page 1026

Stackable managed switches

Table of Contents

UDLD Commands

OL-32830-01 Command Line Interface Reference Guide

Port UDLD mode—The interface UDLD mode (normal or aggressive).

Port Current state—The UDLD operational state: interface UDLD mode

(normal or aggressive).

Disabled—UDLD is disabled on the port by the udld port disable

Shutdown—UDLD is enabled on the port and the port operational state

Detection—UDLD id detecting the link state.

Bidirectional—The link is bidirectional.

Undetermined—The link state is undetermined - no UDLD message has

been received on the port.

Neighbor Device ID—The device ID of the neighbor.

Neighbor MAC—The MAC address of the neighbor.

Neighbor Device name—The Device name of the neighbor.

Neighbor Port ID—The device port ID of the neighbor on which the recent

UDLD message was sent.

Neighbor Message Time—The message time of the neighbor.

Neighbor Current State—The current state of the neighbor:

Bidirectional—The UDLD messages received from the neighbor contain

the Device ID and Port ID of the switch in the Echo TLV.

Undetermined—The UDLD messages received from the neighbor do

not contain the Device ID and Port ID of the switch in the Echo TLV.

Neighbor Expiration Time—Left time in seconds until the current neighbor

state expires.

Example 2—This example shows how to display the UDLD state for one given

switchxxxxxx#

Global UDLD mode: normal

Message Time: 15 sec(default)