Cisco Catalyst 2960 Series User Manual

PurposeCommand or Action
Specifies the port to be enabled for UDLD, and enters interface
configuration mode.
interface interface-id
Example:
Switch(config)# interface
Step 2
gigabitethernet 1/0/1
UDLD is disabled by default.udld port [aggressive]
Step 3
Example:
Switch(config-if)# udld port aggressive
• udld port—Enables UDLD in normal mode on the specified
port.
• udld port aggressive—(Optional) Enables UDLD in
aggressive mode on the specified port.
Use the no udld port interface configuration command to
disable UDLD on a specified fiber-optic port.
Note
Returns to privileged EXEC mode.end
Example:
Switch(config-if)# end
Step 4
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
Monitoring and Maintaining UDLD
PurposeCommand
Displays the UDLD status for the specified port or
for all ports.
show udld [interface-id | neighbors]
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
401
Monitoring and Maintaining 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