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How to enable CoA (Change of Authorization) on a Access Control/NAC appliance

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TitleHow to enable CoA (Change of Authorization) on a Access Control/NAC appliance
Objective
How to enable CoA
How to turn on CoA
How to enable Change of Authorization
How to turn on Change of Authorization
 
Environment
  • NAC
  • Access Control
Procedure
  1. In NAC configuration tab, select "Appliance Settings"
  2. In this window choose the "Reauthentication tab"
  3. Edit sysObjectId 1.3.6.1.4.1.4329.15.1.2
  4. In "Edit Switch Reauthentication Config" window select "Manage RFC 3576 Configurations"
  5. Edit "Extreme Identifi Wireless" configuration
  6. In the "Edit RFC 3576 Reauthentication Configuration" window, check the box "Supports Change of Authorization"
  7. Click ok through all the previous steps
  8. Enforce to the NAC appliance
Additional notes
CoA (Change of Authorization) is to be used in environments where there is not a topology flip (VLAN change) after a user authenticates from Unregistered (Unauthenticated) to an Authenticated state and role. This article can be used as a reference point to disable CoA as well if this is the case. The NAC appliance will with SNMP to reauthenticate.

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