Cisco AIR-WLC2006-K9 - Wireless LAN Controller 2006 Guía de usuario descargar pdf (Pagina 89)

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Cisco Wireless LAN Solution Product Guide

OL-7955-01

Chapter 3 Solutions

Converting a Cisco WLAN Solution from Layer 2 to Layer 3 Mode

You have completed the LWAPP Transport Mode conversion from Layer 2 to Layer 3. The ap-manager

interface now controls all communications between Cisco Wireless LAN Controllers and Cisco 1000

Series lightweight access points on different subnets.

Using the Cisco WCS User Interface to Convert from Layer 2 to Layer 3 Mode

Follow the steps in this section to convert a Cisco WLAN Solution from Layer 2 to Layer 3 LWAPP

Transport Mode using the GUI on the Cisco WCS.

Note This procedure causes your lightweight access points to go offline until the controller reboots and the

associated access points reassociate with the controller.

Note Layer 3 Mode requires that all subnets that the controllers are connected to include at least one DHCP

server. When you have completed this procedure, the controller stores its IP address in its associated

access points. When each access point is powered up, it obtains an IP address from the local DHCP

server and connects to its Primary, Secondary, or Tertiary controller.

Note Layer 3 Mode requires that all subnets that contain controllers and lightweight access points are routable

to each other.

Step 1 To use the Cisco WLAN Solution in Layer 3 mode, you must create an AP Manager Interface, which

manages communications between each Cisco Wireless LAN Controller and its associated access points.

This AP Manager Interface requires a fixed IP address, which must be different from the Management

Interface IP address, but which can be on the same subnet as the Management Interface.

Step 2 Make sure that all the Cisco Wireless LAN Controllers and Cisco 1000 Series lightweight access points

are on the same subnet: that they are only connected through Layer 2 devices.

Note You must configure the Cisco Wireless LAN Controllers and associated Cisco 1000 Series lightweight

access points to operate in Layer 3 mode before completing the conversion.

Step 3 In the Cisco WCS User Interface, select CONFIGURE/Access Points to navigate to the All Access

Points page, and verify that the Primary, Secondary, and Tertiary Controller Names are correct for

all Cisco 1000 Series lightweight access points. If you change the Primary, Secondary, or Tertiary

Controller Names, click Apply to save the change to each Cisco 1000 Series lightweight access point.

Step 4 Select CONFIG/Access Points to navigate to the All Access Points page, and MAKE SURE that the

access points are associated with the controller before you continue with the next step.

If you do not complete this step, the Cisco 1000 Series lightweight access points might fail to associate

with the controller after completing the conversion.

Step 5 Change the LWAPP Transport Mode from Layer 2 to Layer 3:

a. Select CONFIGURE/Controllers to navigate to the All Controllers page, and select the Cisco

Wireless LAN Controller by IP address to have Cisco WCS display the <IP address> > Controller

General page.

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Cisco AIR-WLC2006-K9 - Wireless LAN Controller 2006 Guía de usuario Pagina 89