How to convert a Cisco LAP to AP

Today I’ll be showing you a step by step on converting a Cisco Lightweight Access Point
to a standalone version. In this tutorial I’ll be using a “LAP-1041N-E-K9″ but other devices will work as well and in the same way.

The LAP is designed to work with a Wireless Controller Unit, and therefor cannot be managed from a webinterface as others can. But luckily you can convert this pretty easy!

This is the 1141n I’ll be working with:

What you need to perform the upgrade:
-A cisco (L)AP
-A Console cable for the AP(optional)
-An ethernet Cable
-A pc/laptop with serial and ethernet port(serial is optional)
-The firmware to convert the AP(get it from cisco site here)
[NO I can't provide the firmware , sorry!]
-A TFTP Server (I recommend Solwarwinds)

To get started install the tftp server on your pc/laptop and disable ALL firewalls.
Place the downloaded firmware (c1140-k9w7-tar.124-25d.JA.tar) in my case in the root of the tftp server. In case of Solarwinds this would be : “C:\TFTP-Root” or whatever you defined as root during install.

Rename the FW file to “c1140-k9w7-tar.default” obviously keep the correct name for your product. This filename is STRICTLY for the 1140 series.

Now make sure the TFTP Server is started and running.

Setup your pc with a static ip on the Ethernet connection “10.0.0.2″ (restart the tftp server if needed)
The AP will assign itself with 10.0.0.1 in safe/debug mode.

Connect the AP directly to the pc using ethernet cable.

Now disconnect the power and press the mode button, keep pressed while reconnecting power/POE. The LED will start flashing blue first and then go to red/amber after 20-30 seconds. Now release the mode button.

(I messed up in this picture, the ethernet should be connected to the Ethernet, not console but i’m too lazy to redo the picture :) )

Now go and check your TFTP Server, you will see a connection from 10.0.0.1 downloading the firmware. During this the LED will keep blinking green.

After the upgrade is complete the LED will stay solid green. Now you can reconnect the AP to your Lan and it will receive a DHCP address, use your prefered scanner to find the AP.
You could also connect the AP to a pc using serial/console and configure it this way if you’re feeling adventerous.(set the transfer rate to 9400)

You can now succesfully login to the webconsole. You now have a standalone AP !

Again , I cannot provide the FW sice Cisco will send me angry letters if I do. :(

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