Upgrade 1121 autonomous to LWAPP

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Nov 5th, 2007
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I have some access-points AIR-AP-1121G-TO-K9 and it would like to use them with a WLAN Controller. Is possible to change IOS for the software LWAPP to use with the WLAN Controller?

I know that that is possible in another models of access-points, but I don't know if the 1121 support that upgrade.

Regards.

Correct Answer by ankbhasi about 9 years 8 months ago

Hi Friend,


I haven't done it myself but heard that 1120 is supported for conversion with the following caveats. You need to use version 2 of the LWAPP conversion tool. Additionally, you need to download 12.3(11)JX to the AP.


Try that and update if it works for you.


Regards,


Ankur



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Correct Answer
ankbhasi Mon, 11/05/2007 - 06:56
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Hi Friend,


I haven't done it myself but heard that 1120 is supported for conversion with the following caveats. You need to use version 2 of the LWAPP conversion tool. Additionally, you need to download 12.3(11)JX to the AP.


Try that and update if it works for you.


Regards,


Ankur



Rob Huffman Mon, 11/05/2007 - 07:41
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Hi Andre,


Just to add a note to the good tips from Ankur. These AP's can be converted to LWAPP. We did this exact conversion last summer on about 30 1121G's with the **LWAPP upgrade tool**.


Support for the 1121 was added in WLC version 4.0.155.0 Have a look at these related docs;


Software release 4.0.155.0 New Features


LWAPP for Cisco Aironet 1100 Series Access Points (802.11g radio only) Allows the Cisco Aironet 1100 Series Access Point to be upgraded from autonomous access point mode to lightweight mode using the autonomous to lightweight mode upgrade tool.


--------------------------------------------------------------------------------


Note You must install software release 4.0.155.0 on the controller before connecting 1100 series access points to the controller.


http://www.cisco.com/en/US/products/ps6366/prod_release_note09186a00806e8989.html#wp147320


LWAPP Upgrade Tool Troubleshoot Tips


http://www.cisco.com/en/US/tech/tk722/tk809/technologies_tech_note09186a008072d9a1.shtml


Access points must run Cisco IOS Release 12.3(7)JA or later before you use the upgrade tool.


System Requirements


You can use the Autonomous to Lightweight Mode upgrade tool to install Cisco IOS Release 12.3(11)JX on these access points:


**All 1100 series access points containing MP21G (802.11g) radios


All 1130, 1230, and 1240 series access points


All modular 1200 series access points running Cisco IOS software and containing these supported radios:


802.11g: MP21G, MP31G


802.11a: AIR-RM21A-x-K9, AIR-RM22A-x-K9


All 1300 series access points in access point mode


http://www.cisco.com/en/US/docs/wireless/access_point/ios/release/notes/b311jx1.html



Cisco has released a free tool called the "Autonomous to Lightweight Mode Upgrade Tool" that allows selected Cisco Aironet autonomous access point models to be configured for lightweight mode operation.


The Autonomous to Lightweight Mode Upgrade Tool supports the following models:


Cisco Aironet 1240AG Series access points


Cisco Aironet 1230AG Series access points


Cisco Aironet 1200 Series access points that contain 802.11g (AIR-MP21G-x-K9) and/or second-generation 802.11a radios (AIR-RM21A-x-K9 or AIR-RM22A-x-K9)


Cisco Aironet 1130AG Series access points


**Cisco Aironet 1100 Series Access Points that contain 802.11g radios (AIR-AP1121G-x-K9)


Cisco Aironet 1300 Series Access Points/Bridges (AIR-BR1310G-x-K9 or AIR-BR1310G-x-K9-R). A Cisco Aironet 1300 Series operating in Lightweight Access Point Protocol (LWAPP) mode only operates as an access point. This series does not support LWAPP bridging mode.


The Autonomous to Lightweight Mode Upgrade Tool supports a process to migrate an autonomous access point from autonomous mode to lightweight mode. Unlike a VxWorks to Cisco IOS Software upgrade, this process is a Cisco IOS Software upgrade to the existing Cisco IOS Software image-not an operating system "swapout". In converted access points operating in lightweight mode, Cisco IOS Software continues to run on the access point, while LWAPP is used to communicate with a wireless LAN controller. Since LWAPP supports automatic access point configuration, there is no need to retain or convert the original autonomous Cisco IOS Software access point configuration.


http://www.cisco.com/en/US/netsol/ns340/ns394/ns348/ns337/networking_solutions_white_paper0900aecd804f1a23.shtml



Cisco Aironet Access Point Support for Lightweight Access Point Protocol


http://www.cisco.com/en/US/products/ps6521/prod_bulletin0900aecd80321a2c.html


Upgrading Autonomous Cisco Aironet Access Points to Lightweight Mode


http://www.cisco.com/en/US/products/hw/wireless/ps430/prod_technical_reference09186a00804fc3dc.html#wp157147


Hope this helps!

Rob



andre.ortega Mon, 11/05/2007 - 07:53
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Thanks for all.


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