Cisco Cisco Access Registrar 4.2 Dokumentacja Pobierz pdf (Strona 34)

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Cisco Wireless LAN Controller Configuration Guide

OL-13826-01

Chapter 1 Overview

Controller Platforms

Primary, Secondary, and Tertiary Controllers

In multiple-controller networks, lightweight access points can associate with any controller on the same

subnet. To ensure that each access point associates with a particular controller, the operator can assign

primary, secondary, and tertiary controllers to the access point.

When a primed access point is added to a network, it looks for its primary, secondary, and tertiary

controllers first, then a master controller, then the least-loaded controller with available access point

ports. Refer to the “Cisco Wireless LAN Controller Failover Protection” section on page 1-18 for more

information.

Client Location

When you use Cisco WCS in your Cisco Wireless LAN Solution, controllers periodically determine

client, rogue access point, rogue access point client, radio frequency ID (RFID) tag location and store

the locations in the Cisco WCS database. For more information on location solutions, refer to the Cisco

Wireless Control System Configuration Guide and the Cisco Location Appliance Configuration Guide at

these URLs:

Cisco Wireless Control System Configuration Guide:

http://www.cisco.com/en/US/products/ps6305/products_installation_and_configuration_guides_list.ht

Cisco Location Appliance Configuration Guide:

http://www.cisco.com/en/US/products/ps6386/products_installation_and_configuration_guides_list.ht

Controller Platforms

Controllers are enterprise-class high-performance wireless switching platforms that support 802.11a/n

and 802.11b/g/n protocols. They operate under control of the operating system, which includes the radio

resource management (RRM), creating a Cisco UWN Solution that can automatically adjust to real-time

changes in the 802.11 RF environment. The controllers are built around high-performance network and

security hardware, resulting in highly-reliable 802.11 enterprise networks with unparalleled security.

The following controllers are supported for use with software release 4.2:

• Cisco 2000 series controllers

• Cisco 2100 series controllers

• Cisco 4400 series controllers

• Catalyst 6500 Series Wireless Services Module (WiSM)

• Cisco 7600 Series Router Wireless Services Module (WiSM)

• Cisco 28/37/38xx Series Integrated Services Router with Controller Network Module

• Catalyst 3750G Integrated Wireless LAN Controller Switch

The first three controllers are stand-alone platforms. The remaining four controllers are integrated into

Cisco switch and router products.

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