Cisco WS-C3560-48PS-S Software Configuration Manual page 53

Chapter 1 Overview
The routers and backbone switches have HSRP enabled for load balancing and redundant connectivity
to guarantee mission-critical traffic.
Figure 1-2 Catalyst 3560 Switches in Wiring Closets in a Backbone Configuration
multilayer switches
IEEE 802.3af-compliant
powered device
(such as a web cam)
Aironet wireless
access points
IP
78-16156-01
Cisco 7x00 routers
Catalyst 6500
IP IP
Cisco IP Phones
with workstations
WAN
IP
Cisco IP Phones
with workstations
Catalyst 3560 Switch Software Configuration Guide
Network Configuration Examples
IEEE 802.3af-compliant
powered device
(such as a web cam)
Aironet wireless
access points
IP IP
1-15