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OpenFlow1 Ip:192.168.1.3 OpenFlow2 Ip:192.168.1.4 OpenFlow3 Ip:192.168.1.5 End Host1 Ip:192.168.1.1 End Host1 Ip:192.168.1.2 eth1 eth2 eth3 eth0 eth1 eth2 eth3 eth0 eth1eth2 eth0 Controller Ip:192.168.1.6 NOX controller 실 행 OpenFlow 접속
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OpenFlow1 Ip:192.168.1.3 OpenFlow2 Ip:192.168.1.4 OpenFlow3 Ip:192.168.1.5 End Host1 Ip:192.168.1.1 End Host1 Ip:192.168.1.2 eth1 eth2 eth3 eth0 eth1 eth2 eth3 eth0 eth1eth2 eth0 Controller Ip:192.168.1.6 NOX controller 실 행 OpenFlow 접속 Ping test-: End Host1 에서 ping 192.168.1.2 ARP 과정 1. ARP guery 패킷 발생 플로우 생성 Case1:dst_ip:192.168.1.2, arp Inport:eth1, action:output:eth2 Case1:dst_ip:192.168.1.2, arp Inport:eth1, action:output:eth2 Case1:dst_ip:192.168.1.2, arp Inport:eth2, action:output:eth1 2. ARP response 패킷 응답 Case1:dst_ip:192.168.1.2, arp Inport:eth2, action:output:eth1 Case2:dst_ip:192.168.1.1, arp Inport:eth1, action:output:eth2 Case1:dst_ip:192.168.1.2, Inport:eth1, action:output:eth2 Case2:dst_ip:192.168.1.1, Inport:eth2, action:output:eth1 Case1:dst_ip:192.168.1.2, arp Inport:eth1, action:output:eth2 Case2:dst_ip:192.168.1.1, arp Inport:eth2, action:output:eth1 최초 ARP 테이블 상태 IP 주소 :192.168.1.1 랜 주소 :88-B2-54-1A-OF 최종 ARP 테이블 상태 IP 주소 :192.168.1.1 랜 주소 :88-B2-54-1A-OF IP 주소 :192.168.1.3 랜 주소 :88-B2-54-1B-31 …… IP 주소 :192.168.1.2 랜 주소 :88-B2-54-1B-23
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OpenFlow1 Ip:192.168.1.3 OpenFlow2 Ip:192.168.1.4 OpenFlow3 Ip:192.168.1.5 End Host1 Ip:192.168.1.1 End Host1 Ip:192.168.1.2 eth1 eth2 eth3 eth0 eth1 eth2 eth3 eth0 eth1eth2 eth0 Controller Ip:192.168.1.6 NOX controller 실 행 OpenFlow 접속 Ping test-: End Host1 에서 ping 192.168.1.2 Case1:dst_ip:192.168.1.2, arp Inport:eth1, action:output:eth2 Case1:dst_ip:192.168.1.2, arp Inport:eth1, action:output:eth2 Case1:dst_ip:192.168.1.2, arp Inport:eth2, action:output:eth1 Case1:dst_ip:192.168.1.2, arp Inport:eth2, action:output:eth1 Case2:dst_ip:192.168.1.1, arp Inport:eth1, action:output:eth2 Case1:dst_ip:192.168.1.2, Inport:eth1, action:output:eth2 Case2:dst_ip:192.168.1.1, Inport:eth2, action:output:eth1 Case1:dst_ip:192.168.1.2, arp Inport:eth1, action:output:eth2 Case2:dst_ip:192.168.1.1, arp Inport:eth2, action:output:eth1 최초 ARP 테이블 상태 IP 주소 :192.168.1.1 랜 주소 :88-B2-54-1A-OF 최종 ARP 테이블 상태 IP 주소 :192.168.1.1 랜 주소 :88-B2-54-1A-OF IP 주소 :192.168.1.3 랜 주소 :88-B2-54-1B-31 …… IP 주소 :192.168.1.2 랜 주소 :88-B2-54-1B-23 ICMP 과정 1. ICMP request 패킷 발생 플로우 생성 Case1:dst_ip:192.168.1.2, icmp Inport:eth1, action:output:eth2 Case1:dst_ip:192.168.1.2, icmp Inport:eth1, action:output:eth2 Case1:dst_ip:192.168.1.2, icmp Inport:eth2, action:output:eth1 2. ICMP response 패킷 응답 Case1:dst_ip:192.168.1.2, icmp Inport:eth2, action:output:eth1 Case2:dst_ip:192.168.1.1, icmp Inport:eth1, action:output:eth2 Case1:dst_ip:192.168.1.2, icmp Inport:eth1, action:output:eth2 Case2:dst_ip:192.168.1.1, icmp Inport:eth2, action:output:eth1 Case1:dst_ip:192.168.1.2, icmp Inport:eth1, action:output:eth2 Case2:dst_ip:192.168.1.1, icmp Inport:eth2, action:output:eth1
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