Network devices which tacppd must control. Usually this is Cisco routers/access servers.
network devices support
nas <ip.addr.of.device> description <your_comment_about_this_device> tacacskey <tacacs_plus_key> radiuskey <radius_key(for future implementation)> snmpcommunity <your_snmp_community> loginstring <string_for_your_nas> pwdstring <password_invite_string> defaultauthorization yes|no module cisco.so polldelay 5 trfcounter no shutdown no