Reference Guide

UDLD Commands 845
FILE LOCATION: C:\Users\gina\Desktop\Checkout_new\CLI Folders\Dell Plasma-ARC
2+3\new_system_mifs_ARC3_latest\UDLD.fm
DELL CONFIDENTIAL – PRELIMINARY 5/21/14 - FOR PROOF ONLY
• 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
command.
–
Shutdown —UDLD is enabled on the port and the port operational
state is DOWN.
–
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 interface:
console# show udld te0/ 1
Global UDLD mode: normal
Message Time: 15 sec(default)
Interface te0/1
Port UDLD mode: aggressive
Port Current state: Bidirectional