Cisco Catalyst 2950 Software Guide

Contents
vi
Catalyst 2950 Desktop Switch Software Configuration Guide
78-11380-03
Planning a Switch Cluster 5-4
Automatic Discovery of Cluster Candidates and Members 5-4
Discovery through CDP Hops 5-5
Discovery through Non-CDP-Capable and Noncluster-Capable Devices 5-6
Discovery through the Same Management VLAN 5-7
Discovery through Different Management VLANs 5-8
Discovery of Newly Installed Switches 5-9
HSRP and Standby Command Switches 5-10
Virtual IP Addresses 5-11
Automatic Recovery of Cluster Configuration 5-11
Considerations for Cluster Standby Groups 5-12
IP Addresses 5-13
Host Names 5-14
Passwords 5-14
SNMP Community Strings 5-14
TACACS+ 5-15
Access Modes in CMS 5-15
Management VLAN 5-15
LRE Profiles 5-16
Availability of Switch-Specific Features in Switch Clusters 5-16
Creating a Switch Cluster 5-16
Enabling a Command Switch 5-17
Adding Member Switches 5-18
Creating a Cluster Standby Group 5-20
Verifying a Switch Cluster 5-22
Using the CLI to Manage Switch Clusters 5-23
Catalyst 1900 and Catalyst2820 CLI Considerations 5-23
Using SNMP to Manage Switch Clusters 5-24
CHAPTER 6 Configuring the System 6-1
Changing IP Information 6-1
Manually Assigning and Removing Switch IP Information 6-2
Using DHCP-Based Autoconfiguration 6-2
Understanding DHCP-Based Autoconfiguration 6-3
DHCP Client Request Process 6-3
Configuring the DHCP Server 6-4
Configuring the TFTP Server 6-5
Configuring the Domain Name and the DNS 6-5
Configuring the Relay Device 6-6

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