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5-2
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
OL-10101-02
Chapter 5 Configuring Cisco IOS CNS Agents
Understanding Cisco Configuration Engine Software
Figure 5-1 Configuration Engine Architectural Overview
These sections contain this conceptual information:
• Configuration Service, page 5-2
• Event Service, page 5-3
• What You Should Know About the CNS IDs and Device Hostnames, page 5-3
Configuration Service
The Configuration Service is the core component of the Cisco Configuration Engine. It consists of a
configuration server that works with Cisco IOS CNS agents on the switch. The Configuration Service
delivers device and service configurations to the switch for initial configuration and mass
reconfiguration by logical groups. Switches receive their initial configuration from the Configuration
Service when they start up on the network for the first time.
Catalyst
6500 switch
Cisco access
gateway
Servers
Cisco
CallManager
Cisco 7200
or 7500 router
WAN
IP telephony
network or
PSTN
IP IP IP
IP
60995
Catalyst 3550-24PWR
cluster
1 Gbps
(2 Gbps
full duplex)
IP
Cisco IP Phones
Cisco IP Phones
Workstations running
Cisco SoftPhone software
Catalyst 2950, 2900 XL,
3500 XL, and 3550
GigaStack cluster