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Catalyst 2950 Desktop Switch Software Configuration Guide
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Chapter 1 Overview
Network Configuration Examples
Figure 1-3 Collapsed Backbone and Switch Cluster Configuration
Large Campus Configuration
Figure 1-4 shows a configuration for a network of more than 1000 users. Because it can aggregate up to
130 Gigabit connections, a Catalyst 6500 multilayer switch is used as the backbone switch.
You can use the workgroup configurations shown in previous examples to create workgroups with
Gigabit uplinks to the Catalyst 6500 switch. For example, you can use switch clusters that have a mix
of Catalyst 2950 switches.
The Catalyst 6500 switch provides the workgroups with Gigabit access to core resources:
• Cisco 7000 series router for access to the WAN and the Internet.
• Server farm that includes a call-processing server running Cisco CallManager software. Cisco
CallManager controls call processing, routing, and IP phone features and configuration.
• Cisco Access gateway (such as Cisco Access Digital Trunk Gateway or Cisco Access Analog Trunk
Gateway) that connects the IP network to the Public Switched Telephone Network (PSTN) or to
users in an IP telephony network.
IP IP IP
IP
Catalyst 3550-12T or
Catalyst 3550-12G switch
200 Mbps
Fast EtherChannel
(400-Mbps full-duplex
Fast EtherChannel)
Gigabit
servers
Cisco
CallManager
81635
Cisco 2600 router
1 Gbps
(2 Gbps full duplex)
Cisco
IP Phones
Cisco IP Phones
Workstations running
Cisco SoftPhone software
Catalyst
2950, 2900,
3550, and 3500
GigaStack cluster
Catalyst
3524-PWR
GigaStack cluster
Catalyst 2950, 2900,
3550, and 3500
GigaStack cluster
IP
Si