User shows us how to get FreeBSD connected to your CISCO 3700 router via TACACS+. Follow the link below for full instructions.

Tac-3700TACACS+ – (Terminal Access Controller Access Control System plus) — is a session protocol developed by Cisco.

Security(encryption) of the Protocol has improved. TACACS+ is a separately handles authentication, authorization, and accounting (AAA) services.

Used resources:

  1. FreeBSD 9.2 x64 (VM, IP:
  2. GNS3 (Router 3700, IP:
  3. Windows LoopBACK_Adapter (IP:

Flow structure will be as follows:
FreeBSD x64 => LoopBACK Adapter ( => GNS Cloud => Cisco Router

Full instructions: