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New Member

how to?

Hi, I am new to cisco products and I am trying to setup an aironet 1242ag. I have figured out the ip given to it but, cannot access it with a browser. Can someone tell me why?




Re: how to?

Hi Jeff,

what kind of AP do you have there:

A IOS or a LWAPP enabeld?

How to distinguish between?

The IOS has the following Model Number: AIR-AP1242AG-E-K9


The for the IOS we may find a way to access via Web Interface.

The LWAPP is accessed via WLC (Wireless LAN Controller) or WCS (Wireless Control System)

Best reagrds,


New Member

Re: how to?

It is this one:


Does this mean I need a cisco wireless lan controller to use it?

Hall of Fame Super Red

Re: how to?

Hi Jeff,

Frank made the right call here, this LAP1242 would need a WLC. You can also revert it to autonomous if you need, have a look;

Reverting the Access Point Back to Autonomous Mode

It is possible to revert an LWAPP-enabled Cisco Aironet access point back to autonomous mode. Please refer to Upgrading Autonomous Cisco Aironet Access Points to Lightweight Mode for detailed instructions on reverting to autonomous mode. Use this URL

Converting a Lightweight Access Point Back to Autonomous Mode

You can convert an access point from lightweight mode back to autonomous mode by loading a Cisco IOS Release that supports autonomous mode (Cisco IOS release 12.3(7)JA or earlier). If the access point is associated to a controller, you can use the controller to load the Cisco IOS release. If the access point is not associated to a controller, you can load the Cisco IOS release using TFTP.

Using a TFTP Server to Return to a Previous Release

Follow these steps to revert from LWAPP mode to autonomous mode by loading a Cisco IOS release using a TFTP server:


Step 1 The static IP address of the PC on which your TFTP server software runs should be between and

Step 2 Make sure that the PC contains the access point image file (such as c1200-k9w7-tar.122-15.JA.tar for a 1200 series access point) in the TFTP server folder and that the TFTP server is activated.

Step 3 Rename the access point image file in the TFTP server folder to c1200-k9w7-tar.default for a 1200 series access point, c1130-k9w7-tar.default for an 1130 series access point, and c1240-k9w7-tar.default for a 1240 series access point.

Step 4 Connect the PC to the access point using a Category 5 (CAT5) Ethernet cable.

Step 5 Disconnect power from the access point.

Step 6 Press and hold MODE while you reconnect power to the access point.

Step 7 Hold the MODE button until the status LED turns red (approximately 20 to 30 seconds) and then release.

Step 8 Wait until the access point reboots, as indicated by all LEDs turning green followed by the Status LED blinking green.

Step 9 After the access point reboots, reconfigure it using the GUI or the CLI.

From this doc;

Hope this helps!


Please remember to rate helpful posts.......


Re: how to?

Hi Rob,

as usual a very detailed and helpful answer.

Therefore some points from me.


If times allow me, I?ll try to follow your high standard.


Best regards,


New Member

Re: how to?

Hi rob,

i have a case in my department ,

how step  upgrade AP 1242 from

autonomos to LAP  ?

and may be  you give me link i can be download  ios ,upgrade to LAP  

please help,



Cisco Employee

Re: how to?

If you want to convert autonomous to Lightweight you can use the following command:

AP# archive download-sw /overwrite /reload tftp://(ip address of the tftp server) /imagename.tar

make sure that the rcv image is in the root directory of the tftp server and the os is not hiding file extensions.


Please make sure to rate correct answers

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