Configuring TACACS+ in GNS3 and Packet Tracer
GNS3: Step 1: Check connectivity between router in GNS3 and Kali linux in Virtualbox. IP of Kali linux (TACACS+ server) is 192.168.56.101 and of router (TACACS+ client) is 192.168.56.1. Step 2: Install TACACS+ in Kali linux. apt-get install tacacs+