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Cisco ACE service modules to use Clearpass for authentication.

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  • 1.  Cisco ACE service modules to use Clearpass for authentication.

    Posted Mar 13, 2014 12:33 PM

    I am trying to set up ClearPass to be used for authentication on my Cisco ACE modules. I have configured the AAA on the Cisco device and I can log in. The ACE devices use role based access and it expects the server to send back a shell command to tell it what role the user is in. Within Cisco ACS that was easy. I am trying to find the same function in Clearpass.

     

    Example from Cisco ACS server: shell:Admin*Admin default-domain



  • 2.  RE: Cisco ACE service modules to use Clearpass for authentication.

    EMPLOYEE
    Posted Mar 13, 2014 12:38 PM
    Create an enforcement profile and choose TACACS as the type. Then choose
    shell from the service dropdown. Now can assign a privilege level.


  • 3.  RE: Cisco ACE service modules to use Clearpass for authentication.

    Posted Mar 13, 2014 12:41 PM

    Thanks. Unfortunately the Privilege level is not understood by the Cisco ACE modules.

     

    As you can see from below, the users are assigned roles not privelege levels. The default if the ACE does not receive any feedback is Network Monitor.

     

    ACE-Core1/Admin# show users
    User Context Line Login Time (Location) Role Domain(s)
    *admin Admin pts/45 Mar 13 08:34 (192.168.69.65) Admin default-domain
    jnel Admin pts/46 Mar 13 09:24 (10.12.5.36) Network-Monitor default-domain
    ACE-Core1/Admin#



  • 4.  RE: Cisco ACE service modules to use Clearpass for authentication.

    EMPLOYEE
    Posted Mar 13, 2014 01:11 PM

    Sorry missed that.

     

    So it looks like each context needs its own attribute. You could try creating a custom TACACS+ dictionary with these levels, but I would work with TAC on this.

     

    shell:<context-name-1>
    <role name> <domain>

     



  • 5.  RE: Cisco ACE service modules to use Clearpass for authentication.

    Posted Mar 14, 2014 02:57 PM

    Thanks. I am working with TAC. Still no solution yet. If we do find one, I will post the results here.



  • 6.  RE: Cisco ACE service modules to use Clearpass for authentication.

    Posted Mar 14, 2014 04:26 PM

    Does not appear if TAC has any idea on how to resolve the issue. Anyone on here have any input? Surely someone out there has done this before.



  • 7.  RE: Cisco ACE service modules to use Clearpass for authentication.

    Posted Mar 14, 2014 05:29 PM

    My ACEs were recently retired so I haven't tested this, but try the following:

     

    Name: insert name of context (admin,prod,etc)

    Value: replace "role" with the ACE role, followed by "domain default-domain"

     

    cppm-tacacs-ace.jpg



  • 8.  RE: Cisco ACE service modules to use Clearpass for authentication.

    Posted Mar 14, 2014 05:32 PM
      |   view attached

     

     

    Thanks I will try that.

     

    I have managed to make it work using Radius as well.

     

    In your Enforcement provile

     

     you can use the following

     

     

     



  • 9.  RE: Cisco ACE service modules to use Clearpass for authentication.

    Posted Mar 14, 2014 05:35 PM

    Nice!  Thanks for posting that.