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SDN OpenFlow Load Balancer 시나리오

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SDN/OpenFlow Load Balancer 시나리오 ㈜유미테크
controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container 5 List Container VIp: 192.168.30.14 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 GARP 시나리오 1 SENDER MAC TARGET MAC xxxxxx:30:A1 192.168.30.14 192.168.30.14 xxxxxx:30:A1 xxxxxx:30:A1 ETH HEAD TARGER MAC ff:ff:ff:ff:ff:ff:ff:ff FLOW
controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container xxxxxx:30:A1 5 5 List Container VIp: 192.168.30.14 xxxxxx:30:A1 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 GARP 시나리오 2 SENDER MAC TARGET MAC xxxxxx:30:A1 192.168.30.14 192.168.30.14 xxxxxx:30:A1 xxxxxx:30:A1 ETH HEAD TARGER MAC ff:ff:ff:ff:ff:ff:ff:ff FLOW
controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container xxxxxx:30:A1 5 xxxxxx:30:A2 6 5 List Container xxxxxx:30:A2 VIp: 192.168.30.14 xxxxxx:30:A1 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 xxxxxx:30:A3 7 xxxxxx:30:A3 ARP 시나리오 SENDER MAC REQUEST 1 TARGET MAC xxxxxx:20:01 192.168.20.1 192.168.30.14 xxxxxx:20:01 ff:ff:ff:ff:ff:ff:ff:ff ETH HEAD TARGER MAC ff:ff:ff:ff:ff:ff:ff:ff FLOW
controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container xxxxxx:30:A1 5 xxxxxx:30:A2 6 5 List Container xxxxxx:30:A2 VIp: 192.168.30.14 xxxxxx:30:A1 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 xxxxxx:30:A3 7 xxxxxx:30:A3 REPLY ARP SENDER MAC 시나리오 1 TARGET MAC xxxxxxxx:B1 192.168.30.14 192.168.20.1 xxxxxxxx:B1 xxxxxx:20:01 ETH HEAD TARGER MAC xxxxxx:20:01 FLOW
FLOW ARP TABLE controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container xxxxxx:30:A1 5 xxxxxx:30:A2 6 5 List Container xxxxxx:30:A2 VIp: 192.168.30.14 xxxxxx:30:A1 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 xxxxxx:30:A3 7 xxxxxx:30:A3 DNS REQUEST SENDER MAC 시나리오 1 TARGET MAC 192.168.20.1 192.168.30.14 xxxxxx:20:01 xxxxxxxx:B1 ETH HEAD TARGER MAC 192.168.30.14 xxxxxxxx:B1 www.a.com
ETH HEAD TARGER MAC FLOW ARP TABLE controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container xxxxxx:30:A1 5 xxxxxx:30:A2 6 5 List Container xxxxxx:30:A2 VIp: 192.168.30.14 xxxxxx:30:A1 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 xxxxxx:30:A3 7 xxxxxx:30:A3 DNS REQUEST SENDER MAC 시나리오 2 TARGET MAC 192.168.30.14 xxxxxxxx:B1 192.168.20.1 192.168.30.14 xxxxxx:20:01 xxxxxx:30:A1 www.a.com FLOW : DNS REQUEST ETH_SRC ETH_DST xxxxxx:20:01 xxxxxxxx:B1 DST_MAC PORT xxxxxx:30:A1 5 Condition Action FLOW : DNS RESPONSE ETH_SRC ETH_DST xxxxxx:30:A1 xxxxxx:20:01 DST_MAC PORT xxxxxxxx:B1 1 Condition Action
FLOW ARP TABLE controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container xxxxxx:30:A1 5 xxxxxx:30:A2 6 5 List Container xxxxxx:30:A2 VIp: 192.168.30.14 xxxxxx:30:A1 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 xxxxxx:30:A3 7 xxxxxx:30:A3 DNS REQUEST 시나리오 3 SENDER MAC TARGET MAC 192.168.20.1 192.168.30.14 xxxxxx:20:01 xxxxxx:30:A1 ETH HEAD TARGER MAC 192.168.30.14 xxxxxxxx:B1 www.a.com
ETH HEAD TARGER MAC FLOW ARP TABLE controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container xxxxxx:30:A1 5 xxxxxx:30:A2 6 5 List Container xxxxxx:30:A2 VIp: 192.168.30.14 xxxxxx:30:A1 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 xxxxxx:30:A3 7 xxxxxx:30:A3 DNS RESPONSE 시나리오 1 SENDER MAC TARGET MAC 192.168.30.14 xxxxxxxx:B1 192.168.30.14 192.168.20.1 xxxxxxxx:B1 xxxxxx:20:01 1.1.1.1 FLOW : DNS REQUEST ETH_SRC ETH_DST xxxxxx:20:01 xxxxxxxx:B1 DST_MAC PORT xxxxxx:30:A1 5 Condition Action FLOW : DNS RESPONSE ETH_SRC ETH_DST xxxxxx:30:A1 xxxxxx:20:01 DST_MAC PORT xxxxxxxx:B1 1 Condition Action
ETH HEAD TARGER MAC controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container 5 List Container VIp: 192.168.30.14 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 문제 시나리오 1 SENDER MAC TARGET MAC FLOW ARP 패킷 xxxxxx:20:01 192.168.20.1 192.168.30.14 ff:ff:ff:ff:ff:ff:ff:ff xxxxxx:20:01 ff:ff:ff:ff:ff:ff:ff:ff
ETH HEAD TARGER MAC controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container 5 List Container VIp: 192.168.30.14 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 문제 시나리오 2 SENDER MAC TARGET MAC FLOW ARP TABLE 192.168.30.14 xxxxxxxx:B1 ARP 패킷 xxxxxxxx:B1 192.168.30.14 192.168.20.1 xxxxxx:20:01 xxxxxxxx:B1 xxxxxx:20:01
ETH HEAD TARGER MAC controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container 5 List Container VIp: 192.168.30.14 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 문제 시나리오 3 SENDER MAC TARGET MAC FLOW ARP TABLE 192.168.30.14 xxxxxx:30:A1 ARP 패킷 xxxxxxxx:B1 192.168.30.14 192.168.20.1 xxxxxx:20:01 Xxxxxx:30:A1 xxxxxx:20:01 같은 망에 물려 있어 arp 테이블이 변경됨

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SDN OpenFlow Load Balancer 시나리오

  • 1. SDN/OpenFlow Load Balancer 시나리오 ㈜유미테크
  • 2. controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container 5 List Container VIp: 192.168.30.14 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 GARP 시나리오 1 SENDER MAC TARGET MAC xxxxxx:30:A1 192.168.30.14 192.168.30.14 xxxxxx:30:A1 xxxxxx:30:A1 ETH HEAD TARGER MAC ff:ff:ff:ff:ff:ff:ff:ff FLOW
  • 3. controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container xxxxxx:30:A1 5 5 List Container VIp: 192.168.30.14 xxxxxx:30:A1 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 GARP 시나리오 2 SENDER MAC TARGET MAC xxxxxx:30:A1 192.168.30.14 192.168.30.14 xxxxxx:30:A1 xxxxxx:30:A1 ETH HEAD TARGER MAC ff:ff:ff:ff:ff:ff:ff:ff FLOW
  • 4. controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container xxxxxx:30:A1 5 xxxxxx:30:A2 6 5 List Container xxxxxx:30:A2 VIp: 192.168.30.14 xxxxxx:30:A1 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 xxxxxx:30:A3 7 xxxxxx:30:A3 ARP 시나리오 SENDER MAC REQUEST 1 TARGET MAC xxxxxx:20:01 192.168.20.1 192.168.30.14 xxxxxx:20:01 ff:ff:ff:ff:ff:ff:ff:ff ETH HEAD TARGER MAC ff:ff:ff:ff:ff:ff:ff:ff FLOW
  • 5. controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container xxxxxx:30:A1 5 xxxxxx:30:A2 6 5 List Container xxxxxx:30:A2 VIp: 192.168.30.14 xxxxxx:30:A1 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 xxxxxx:30:A3 7 xxxxxx:30:A3 REPLY ARP SENDER MAC 시나리오 1 TARGET MAC xxxxxxxx:B1 192.168.30.14 192.168.20.1 xxxxxxxx:B1 xxxxxx:20:01 ETH HEAD TARGER MAC xxxxxx:20:01 FLOW
  • 6. FLOW ARP TABLE controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container xxxxxx:30:A1 5 xxxxxx:30:A2 6 5 List Container xxxxxx:30:A2 VIp: 192.168.30.14 xxxxxx:30:A1 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 xxxxxx:30:A3 7 xxxxxx:30:A3 DNS REQUEST SENDER MAC 시나리오 1 TARGET MAC 192.168.20.1 192.168.30.14 xxxxxx:20:01 xxxxxxxx:B1 ETH HEAD TARGER MAC 192.168.30.14 xxxxxxxx:B1 www.a.com
  • 7. ETH HEAD TARGER MAC FLOW ARP TABLE controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container xxxxxx:30:A1 5 xxxxxx:30:A2 6 5 List Container xxxxxx:30:A2 VIp: 192.168.30.14 xxxxxx:30:A1 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 xxxxxx:30:A3 7 xxxxxx:30:A3 DNS REQUEST SENDER MAC 시나리오 2 TARGET MAC 192.168.30.14 xxxxxxxx:B1 192.168.20.1 192.168.30.14 xxxxxx:20:01 xxxxxx:30:A1 www.a.com FLOW : DNS REQUEST ETH_SRC ETH_DST xxxxxx:20:01 xxxxxxxx:B1 DST_MAC PORT xxxxxx:30:A1 5 Condition Action FLOW : DNS RESPONSE ETH_SRC ETH_DST xxxxxx:30:A1 xxxxxx:20:01 DST_MAC PORT xxxxxxxx:B1 1 Condition Action
  • 8. FLOW ARP TABLE controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container xxxxxx:30:A1 5 xxxxxx:30:A2 6 5 List Container xxxxxx:30:A2 VIp: 192.168.30.14 xxxxxx:30:A1 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 xxxxxx:30:A3 7 xxxxxx:30:A3 DNS REQUEST 시나리오 3 SENDER MAC TARGET MAC 192.168.20.1 192.168.30.14 xxxxxx:20:01 xxxxxx:30:A1 ETH HEAD TARGER MAC 192.168.30.14 xxxxxxxx:B1 www.a.com
  • 9. ETH HEAD TARGER MAC FLOW ARP TABLE controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container xxxxxx:30:A1 5 xxxxxx:30:A2 6 5 List Container xxxxxx:30:A2 VIp: 192.168.30.14 xxxxxx:30:A1 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 xxxxxx:30:A3 7 xxxxxx:30:A3 DNS RESPONSE 시나리오 1 SENDER MAC TARGET MAC 192.168.30.14 xxxxxxxx:B1 192.168.30.14 192.168.20.1 xxxxxxxx:B1 xxxxxx:20:01 1.1.1.1 FLOW : DNS REQUEST ETH_SRC ETH_DST xxxxxx:20:01 xxxxxxxx:B1 DST_MAC PORT xxxxxx:30:A1 5 Condition Action FLOW : DNS RESPONSE ETH_SRC ETH_DST xxxxxx:30:A1 xxxxxx:20:01 DST_MAC PORT xxxxxxxx:B1 1 Condition Action
  • 10. ETH HEAD TARGER MAC controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container 5 List Container VIp: 192.168.30.14 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 문제 시나리오 1 SENDER MAC TARGET MAC FLOW ARP 패킷 xxxxxx:20:01 192.168.20.1 192.168.30.14 ff:ff:ff:ff:ff:ff:ff:ff xxxxxx:20:01 ff:ff:ff:ff:ff:ff:ff:ff
  • 11. ETH HEAD TARGER MAC controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container 5 List Container VIp: 192.168.30.14 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 문제 시나리오 2 SENDER MAC TARGET MAC FLOW ARP TABLE 192.168.30.14 xxxxxxxx:B1 ARP 패킷 xxxxxxxx:B1 192.168.30.14 192.168.20.1 xxxxxx:20:01 xxxxxxxx:B1 xxxxxx:20:01
  • 12. ETH HEAD TARGER MAC controller Ip : 192.168.40.13 Mac : xxxxxxxx:B1 Client #1 Ip : 192.168.20.1/24 Mac : xxxxxx:20:01 Client #2 1 2 3 switch DNS Server#1 Ip : 192.168.30.14 Mac : xxxxxx:30:A1 DNS Server#2 Ip : 192.168.30.14 Mac : xxxxxx:30:A2 Client #3 DNS Server#3 Ip : 192.168.30.14 Mac : xxxxxx:30:A3 Ip : 192.168.20.2/24 Mac : xxxxxx:20:02 Ip : 192.168.20.3/24 Mac : xxxxxx20:13 Toperdo properties MAP Container 5 List Container VIp: 192.168.30.14 6 7 PORT ETH HEAD SENDER MAC SENDER IP TARGET IP 4 문제 시나리오 3 SENDER MAC TARGET MAC FLOW ARP TABLE 192.168.30.14 xxxxxx:30:A1 ARP 패킷 xxxxxxxx:B1 192.168.30.14 192.168.20.1 xxxxxx:20:01 Xxxxxx:30:A1 xxxxxx:20:01 같은 망에 물려 있어 arp 테이블이 변경됨