Cisco Catalyst 2960 Series User Manual

PurposeCommand or Action
This command affects fiber-optic ports only. Use the udld
interface configuration command to enable UDLD on other port
types.
Note
Use the no form of this command, to disable UDLD.
Returns to privileged EXEC mode.end
Example:
Switch(config)# end
Step 3
Related Topics
Monitoring and Maintaing UDLD
Aggressive Mode, on page 397
Normal Mode, on page 396
Methods to Detect Unidirectional Links, on page 397
Event-Driven Detection and Echoing, on page 398
UDLD Reset Options, on page 398
Default UDLD Configuration, on page 398
Enabling UDLD on an Interface
Follow these steps either to enable UDLD in the aggressive or normal mode or to disable UDLD on a port.
SUMMARY STEPS
1.
configure terminal
2.
interface interface-id
3.
udld port [aggressive]
4.
end
DETAILED STEPS
PurposeCommand or Action
Enters global configuration mode.configure terminal
Example:
Switch# configure terminal
Step 1
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
400
How to Configure UDLD

Cisco Catalyst 2960 Series Specifications

General

Layer	Layer 2
Power over Ethernet (PoE)	Available on some models
RAM	128 MB
Flash Memory	32 MB
MAC Address Table Size	8000
Operating Temperature	0°C to 45°C (32 to 113°F)
Ports	24 or 48 x 10/100/1000