Cisco Packet Tracer #OSPF Routing

https://www.netacad.com/cisco-packet-tracer Cisco Packet TracerGain real skills with our powerful network simulation tool where you practice networking, IoT, and cybersecurity skills in a virtual lab – no hardware needed! You will visualize how a network works, practice rack, stack, and cabling skills, plus integratwww.netacad.comCisco에서 제공하는 네트워크 실습 프로그램 Packet Tracer를 이용했습니다.OSPF ( Open Shoert..