Chapter 1 Overview
Network Configuration Examples
1-18
Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide
78-6511-05
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 2900 XL and
Catalyst 3500 XL 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 PSTN or
to users in an IP telephony network.
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