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Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
OL-10101-02
Chapter 1 Overview
Network Configuration Examples
Figure 1-5 Service Provider Central Office Configuration
Large Campus Configuration
Figure 1-6 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 and Catalyst 2955 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.
Cisco 576
LRE 997
POTS telephones
POTS
splitter
POTS
splitter
Laptop
Cisco router
7500
Central office
Copper twisted pair
Offices and users
89380
Required
microfilter
Building 1
Building 2
Building 3
Building 4
Catalyst 2950ST-24
LRE 997 switches
(DC-input power)
Cisco 576 LRE 997 CPE