authenticate cisco WLC 5508 with cisco ACS 1120 (Ver 5.0) using TACACS+

Answered Question
Aug 9th, 2010
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My setup has cisco WLC 5508 & ACS 1120 ver 5.0. How do i authenticate users who access the WLC via the ACS 1120 that users TACACS+. I am able to authenticate users for cisco routers and switches, but when I try to same for WCL, it fails.


Can someone please explain the basic config/steps that needs to be configured on both WLC & ACS.

Correct Answer by jrabinow about 6 years 9 months ago

Are you using plain vanilla 5.0 or have any patches installed?


ACS 5.1 has new TACACS related functionaity including support for custom services and attributes. If these are needed for WLC support yo would need ti upgrade.


There may also have been relevant patch fixes since 5.0 timeframe but I can't find any specific relevant CDETS at this point

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Correct Answer
jrabinow Mon, 08/09/2010 - 12:09
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  • Cisco Employee,

Are you using plain vanilla 5.0 or have any patches installed?


ACS 5.1 has new TACACS related functionaity including support for custom services and attributes. If these are needed for WLC support yo would need ti upgrade.


There may also have been relevant patch fixes since 5.0 timeframe but I can't find any specific relevant CDETS at this point

wolverine_r2k Mon, 08/09/2010 - 22:50
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thanks jrabinow... yes i am using  plain vanilla 5.0 ... i will try with 5.1 version... i will get back to u...


Thanks again... u have being very helpful...

wolverine_r2k Wed, 08/11/2010 - 00:36
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hi  jrabinow, i updated the ACS from 5.0 to 5.1 and everything is working perfect !!!!! Thankyou.

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