Cisco ASR 920 series Configuration Guide

Enabling UDLD Protocol at Interface Level
SUMMARY STEPS
1.
enable
2.
configure terminal
3.
interface interface-id
4.
udld port [aggressive]
5.
end
DETAILED STEPS
PurposeCommand or Action
Enables privileged EXEC mode.enable
Step 1
Example:
Router> enable
Enter your password if prompted.
Enters global configuration mode.configure terminal
Example:
Router# configure terminal
Step 2
Enter interface configuration mode. Valid interfaces are physical
ports.
interface interface-id
Example:
Router(config)# interface
gigabitethernet0/0/1
Step 3
Enables UDLD on a specific port. Enter the aggressive keyword to
enable the aggressive mode. On a fiber-optic LAN port, this
udld port [aggressive]
Example:
Router(config)# udld port aggressive
Step 4
command overrides the udld enable global configuration command
setting.
Use the no form of this command to disable the UDLD on a non
fiber-optic LAN port.
Returns to privileged EXEC mode.end
Example:
Router# end
Step 5
LAN Switching Configuration Guide Cisco IOS XE Everest 16.5.1 (Cisco ASR 900 Series)
41
UniDirectional Link Detection (UDLD) Protocol
Enabling UDLD Protocol at Interface Level

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