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denggi, did you have an luck in resolving this problem? I can get 802.1x working with a Cat3550 and Cisco ACS but when I try using Microsoft IAS I get a similar message to yours.Any help would be great.
I am currently trying to get 802.1x port authentication working on a Cat3550 against Win2003 IAS but the IAS log shows a invalid message-authenticator error. The 3550 just shows failed. When I authenticate against Cisco ACS (by simply changing the ra...
Acutally, if you are a customer rather than a partner try http://www.cisco.com/en/US/customer/products/hw/wireless/ps430/products_technical_reference_chapter09186a008025d6ee.htmlIt is identical except for the partner/customer substitution in the URL.
