Cisco AIR-WLC2006-K9 - Wireless LAN Controller 2006 Guía de usuario descargar pdf (Pagina 87)

3-5

Cisco Wireless LAN Solution Product Guide

OL-7955-01

Chapter 3 Solutions

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

When you need to convert a Cisco WLAN Solution from Layer 2 to Layer 3 Mode, use one of the

procedures in this section:

• Using the Web User Interface to Convert from Layer 2 to Layer 3 Mode, page 3-5

• Using the Cisco WCS User Interface to Convert from Layer 2 to Layer 3 Mode, page 3-7

Using the Web 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 a wireless LAN controller.

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 controller and its associated access points. This AP Manager

Interface will require 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 controllers and access points are on the same subnet: that they are only connected

through Layer 2 devices.

Note You must configure the controllers and associated lightweight access points to operate in Layer 3 mode

before completing the conversion.

Step 3 Verify that the access points are assigned to the correct controller. If you do not complete this step, the

access points will fail to associate with the controller after completing the conversion.

a. In the Web User Interface, select WIRELESS/Cisco APs to navigate to the Cisco APs page, and

click Detail to display the Cisco APs > Details page.

b. On the Cisco APs > Details page for each access point, verify that the Primary, Secondary, and

Tertiary Controller Names are correct. If you change the Primary, Secondary, or Tertiary

Controller Names, click Apply to save the change to the access point.

Step 4 Select WIRELESS/Cisco APs to navigate to the Cisco APs page, and make sure that all the lightweight

access points are listed before you continue with the next step.

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Cisco AIR-WLC2006-K9 - Wireless LAN Controller 2006 Guía de usuario Pagina 87