WCS and WLC not communicating

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Apr 21st, 2007
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I have WCS (4.0.97.0) and WLC (4.0.179.11). I can't get WCS to find controller. There are no firewalls in between them, I can successly ping each device from the other, and I am using the proper RW SNMP settings. Is there someplace on WLC that I need configure the WCS information?

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Rob Huffman Sat, 04/21/2007 - 17:50
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Hi John,


Here is some info and some related threads that may help;


Add a WLC to the WCS


When a new WLC is added to the WCS, ensure that the SNMP version configured on the controller matches with the SNMP version on the WCS. If the versions do not match, the WCS does not detect the controller and this error appears on the WCS.


No response from device, check SNMP.Also ensure that SNMP write access privilege is enabled on the controller. If you enter read-only access parameters then the controller is added to the WCS, but the WCS is not able to modify the configuration on the controller.


In summary, check these items if there is a problem adding the controller to the WCS:


The controller service port IP address might be set incorrectly. Check the service port setting on the controller.


The WCS might not be able to contact the controller. Make sure that you can ping the controller from the WCS server.


The SNMP settings on the controller might not match the SNMP settings that you entered in the WCS. Make sure that the SNMP settings configured on the controller match the settings that you entered in the WCS.


When you upgrade the WCS to the latest version, you need a license from Cisco. If your WCS is not licensed, you are not able to add a new WLC. In order to obtain a license, you need to call TAC Support.


Note: If you make any changes on the WCS, then make sure you forward the changes to your controllers. Then refresh the configurations of the controller in order to make it up to date.


From this good doc;


http://www.cisco.com/en/US/products/ps6305/products_tech_note09186a00806f070a.shtml#new2



http://forum.cisco.com/eforum/servlet/NetProf?page=netprof&forum=Wireless%20-%20Mobility&topic=Getting%20Started%20with%20Wireless&CommCmd=MB%3Fcmd%3Dpass_through%26location%3Doutline%40%5E1%40%40.1ddd0c3d/0#selected_message


http://forum.cisco.com/eforum/servlet/NetProf?page=netprof&forum=Wireless%20-%20Mobility&topic=Security%20and%20Network%20Management&CommCmd=MB%3Fcmd%3Dpass_through%26location%3Doutline%40%5E1%40%40.1ddb90d1


http://forum.cisco.com/eforum/servlet/NetProf?page=netprof&forum=Wireless%20-%20Mobility&topic=Getting%20Started%20with%20Wireless&CommCmd=MB%3Fcmd%3Dpass_through%26location%3Doutline%40%5E1%40%40.1ddd2cbe


Hope this helps!

Rob

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