Cisco ASR-920-4SZ-D User Manual

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-920-4SZ-D Specifications

General

Brand	Cisco
Model	ASR-920-4SZ-D
Category	Network Router
Language	English