Cisco Catalyst 2960-XR Configuration Guide

Information About UDLD 168
Modes of Operation 168
Normal Mode 168
Aggressive Mode 168
Methods to Detect Unidirectional Links 169
Neighbor Database Maintenance 169
Event-Driven Detection and Echoing 169
UDLD Reset Options 170
Default UDLD Configuration 170
How to Configure UDLD 171
Enabling UDLD Globally 171
Enabling UDLD on an Interface 172
Monitoring and Maintaining UDLD 173
Additional References for UDLD 174
Feature Information for UDLD 175
Catalyst 2960-XR Switch Layer 2 Configuration Guide, Cisco IOS Release 15.0(2)EX1
x OL-29424-01
Contents

Cisco Catalyst 2960-XR Specifications

General

Stacking Bandwidth	80 Gbps
Layer Support	Layer 2 and Layer 3
Jumbo Frame Support	9198 bytes
RAM	512 MB
Input Voltage	100-240V AC
Model	Catalyst 2960-XR
Uplink Interfaces	4 x 1G SFP or 2 x 10G SFP+
Downlink Interfaces	24 or 48 x Gigabit Ethernet ports
Power Supply	Internal
MAC Address Table Size	16, 000 entries
PoE	Available on PoE models
Weight	4.5 kg
Features	energy efficiency
Stacking	Up to 8 switches
Operating Temperature	0 to 45°C