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Windows Server 2008 R2 and AD for RADIUS-authentication for Cisco-routers

Instead of investing in a TACACS server solution we wanted to build switch and router logon on Active Directory authentication. This is possible by installing a RADIUS server to handle the communication between the Cisco devices and Active Directory.

Windows Server 2008 R2 can be made into a RADIUS server by installing the role Network Policy Server.

Aaron Walrath has put together a guide with everything that needs to be done to get the RADIUS authentication in the Cisco devices and how to connect this to the Active Directory. This guide is divided into two blog posts.
  1. RADIUS authentication for Cisco router logins
  2. Install Windows 2008 R2 NPS for RADIUS authentication for Cisco router logins
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