Cisco WIRELESS LAN CONTROLLER OL-17037-01 User Manual download pdf (Page 35)

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Cisco Wireless LAN Controller Configuration Guide

OL-17037-01

Chapter 7 Controlling Lightweight Access Points

Cisco Workgroup Bridges

Follow these steps to perform the TFTP recovery procedure.

Step 1 Download the required recovery image from Cisco.com (c1100-rcvk9w8-mx, c1200-rcvk9w8-mx, or

c1310-rcvk9w8-mx) and install it in the root directory of your TFTP server.

Step 2 Connect the TFTP server to the same subnet as the target access point and power-cycle the access point.

The access point boots from the TFTP image and then joins the controller to download the oversized

access point image and complete the upgrade procedure.

Step 3 After the access point has been recovered, you may remove the TFTP server.

Cisco Workgroup Bridges

A workgroup bridge (WGB) is a mode that can be configured on an autonomous IOS access point to

provide wireless connectivity to a lightweight access point on behalf of clients that are connected by

Ethernet to the WGB access point. A WGB connects a wired network over a single wireless segment by

learning the MAC addresses of its wired clients on the Ethernet interface and reporting them to the

lightweight access point using Internet Access Point Protocol (IAPP) messaging. The WGB provides

wireless access connectivity to wired clients by establishing a single wireless connection to the

lightweight access point. The lightweight access point treats the WGB as a wireless client. See the

example in Figure 7-9.

Figure 7-9 WGB Example

Note If the lightweight access point fails, the WGB attempts to associate to another access point.

Wired

clients

Controller

Access point

WGB

Hub

DHCP/ACS

/TFTB/FTP

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Cisco WIRELESS LAN CONTROLLER OL-17037-01 User Manual Page 35