Juniper

Juniper and Tacacs

There are multiple way:

1. Display set

set system authentication-order tacplus
set system authentication-order password
set system tacplus-server <TACACS_SERVER_IP> secret <TACACS_KEY> 
set system tacplus-server <TACACS_SERVER_IP> source-address <SOURCE_IP>
set system login user remote uid 2001
set system login user remote class super-user

2. Hierarchical

system {
    authentication-order [ tacplus password ];
    tacplus-server {
        <TACACS_SERVER_IP> {
            secret <TACACS_KEY>
            source-address <SOURCE_IP>;
        }
    }
    login {
        }
        user remote {
            uid 2001;
            class super-user;
        }
    }
}