Cisco ASR 920 series Configuration Guide

Port enable operational state: Disabled
Current bidirectional state: Unknown
Interface Gi0/2/6
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Port enable administrative configuration setting: Disabled
Port enable operational state: Disabled
Current bidirectional state: Unknown
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This example shows UDLD protocol on the Ten Gigabit Ethernet interface.
Router# show udld interface tengigabitethernet 0/0/0
Interface Te0/0/0
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Port enable administrative configuration setting: Follows device default
Port enable operational state: Enabled
Current bidirectional state: Bidirectional
Current operational state: Advertisement - Single neighbor detected
Message interval: 15
Time out interval: 5
Entry 1
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Expiration time: 43
Cache Device index: 1
Current neighbor state: Bidirectional
Device ID: FOX1736P0JP
Port ID: Te0/1/0
Neighbor echo 1 device: FOX1709P3D0
Neighbor echo 1 port: Te0/0/0
Message interval: 15
Time out interval: 5
CDP Device name: RSP1B
Router# show running-config | i udld
udld enable
udld message time 15
udld recovery
udld recovery interval 30
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This example shows the UDLD protocol neighbors.
Router# show udld neighbors
Port Device Name Device ID Port ID Neighbor State
------------ ------------- ------------ ------------ ----------------
Te0/0/0 FOX1736P0JP 1 Te0/1/0 Bidirectional
Gi0/2/0 FOC1528V27K 1 Gi0/2 Bidirectional
Gi0/2/1 FOC1639V1Z4 1 Gi0/4 Bidirectional
LAN Switching Configuration Guide Cisco IOS XE Everest 16.5.1 (Cisco ASR 900 Series)
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UniDirectional Link Detection (UDLD) Protocol
Example: Verifying UDLD Protocol

Cisco ASR 920 series Specifications

General

Form Factor	1RU
Operating System	Cisco IOS XE
Model	ASR 920 series
Memory	4 GB DRAM
Power Supply	AC or DC
Storage Temperature	-40°C to 70°C (-40°F to 158°F)
Relative Humidity	5% to 95% non-condensing
MTBF	Varies by model
Management	CLI, SNMP