Cisco 2950 - Catalyst Switch User Manual

Contents
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Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
78-11380-10
Configuring Port Security 22-7
Understanding Port Security 22-7
Secure MAC Addresses 22-7
Security Violations 22-8
Default Port Security Configuration 22-9
Port Security Configuration Guidelines 22-9
Enabling and Configuring Port Security 22-10
Enabling and Configuring Port Security Aging 22-12
Displaying Port-Based Traffic Control Settings 22-13
CHAPTER 23 Configuring UDLD 23-1
Understanding UDLD 23-1
Modes of Operation 23-1
Methods to Detect Unidirectional Links 23-2
Configuring UDLD 23-4
Default UDLD Configuration 23-4
Configuration Guidelines 23-4
Enabling UDLD Globally 23-5
Enabling UDLD on an Interface 23-5
Resetting an Interface Shut Down by UDLD 23-6
Displaying UDLD Status 23-7
CHAPTER 24 Configuring CDP 24-1
Understanding CDP 24-1
Configuring CDP 24-2
Default CDP Configuration 24-2
Configuring the CDP Characteristics 24-2
Disabling and Enabling CDP 24-3
Disabling and Enabling CDP on an Interface 24-4
Monitoring and Maintaining CDP 24-5

Cisco 2950 - Catalyst Switch Specifications

General

Forwarding Rate	6.6 Mpps
Jumbo Frame Support	No
Weight	8.8 lbs (4 kg)
RAM	16 MB
Flash Memory	8 MB
Manageable	Yes
Form Factor	Rack-mountable
Ports	24 Ethernet 10/100 ports
Uplink Ports	2 x 10/100/1000Base-T ports
VLANs	250
MAC Address Table Size	8000
Power Supply	100-240 VAC, 50-60 Hz
Dimensions	4.4 cm x 44.5 cm x 24.2 cm
Operating Temperature	0 to 40 °C (32 to 104 °F)
Storage Temperature	-25 to 70 °C (-13 to 158 °F)
Operating Humidity	10% to 85% (non-condensing)
Storage Humidity	5% to 95% (non-condensing)