Cisco Catalyst 2950 Software Guide

Contents
ix
Catalyst 2950 Desktop Switch Software Configuration Guide
78-11380-03
VTP Advertisements 8-8
VTP Version 2 8-9
VTP Pruning 8-9
VTP Configuration Guidelines 8-10
Domain Names 8-10
Passwords 8-10
Upgrading from Previous Software Releases 8-11
VTP Version 8-11
Default VTP Configuration 8-11
Configuring VTP 8-12
Configuring VTP Server Mode 8-12
Configuring VTP Client Mode 8-12
Disabling VTP (VTP Transparent Mode) 8-13
Enabling VTP Version 2 8-14
Disabling VTP Version 2 8-14
Enabling VTP Pruning 8-15
Monitoring VTP 8-15
VLANs in the VTP Database 8-15
Token Ring VLANs 8-16
VLAN Configuration Guidelines 8-16
Default VLAN Configuration 8-16
Configuring VLANs in the VTP Database 8-17
Adding a VLAN 8-18
Modifying a VLAN 8-18
Deleting a VLAN from the Database 8-18
Assigning Static-Access Ports to a VLAN 8-19
How VLAN Trunks Work 8-20
IEEE 802.1Q Configuration Considerations 8-21
Trunks Interacting with Other Features 8-21
Configuring a Trunk Port 8-22
CLI: Disabling a Trunk Port 8-22
CLI: Defining the Allowed VLANs on a Trunk 8-23
Changing the Pruning-Eligible List 8-23
Configuring the Native VLAN for Untagged Traffic 8-24
Load Sharing Using STP 8-24
Load Sharing Using STP Port Priorities 8-25
Configuring STP Port Priorities and Load Sharing 8-25
Load Sharing Using STP Path Cost 8-27
How the VMPS Works 8-28

Cisco Catalyst 2950 Specifications

General

Forwarding Bandwidth	8.8 Gbps
Switching Capacity	13.6 Gbps
Forwarding Rate	6.6 Mpps
Weight	3.6 kg
RAM	16 MB
Flash Memory	8 MB
Operating Humidity	10% to 85% non-condensing
Uplink Ports	2 x 10/100/1000Base-T
Dimensions	4.4 cm x 44.5 cm x 24.2 cm
Remote Management Protocol	SNMP, Telnet, HTTP
Features	Quality of Service (QoS), VLAN support
Compliant Standards	IEEE 802.3, IEEE 802.3u, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p
Status Indicators	system
Operating Temperature	0 to 45°C
Ports	24 x 10/100 Ethernet ports
MAC Address Table Size	8, 192 entries
Power Supply	Internal 100-240V AC, 50-60Hz