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ARP_RARP - Zouheir Trabelsi ARP RARP Protocols Protocols...

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ARP - RARP ARP - RARP Protocols Protocols Zouheir Trabelsi ARP : Address Resolution Protocol RARP : Reverse Address Resolution Protocol RFC # 826
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Zouheir Trabelsi 2 The Internet Layers and Protocols http ftp telnet SMTP Applications Layer TCP UDP Transport Layer IP ARP, RARP Network Layer Physical Interface Data Link Layer & Physical Layer ICMP DNS
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Zouheir Trabelsi 3 ARP Packet Ethernet header IP header ICMP header Ethernet header IP header TCP/UDP header Application header (FTP, HTTP. SMTP, POP3…) Ethernet header ARP header Ethernet header IP header TCP header
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Zouheir Trabelsi 4 MAC vs IP addresses IP Ethernet Driver IP Ethernet Driver Ethernet Protocol Ethernet Bus Host A Host B Host A’s MAC Host B’s MAC Host A’s IP Host B’s IP IP Protocol
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Zouheir Trabelsi 5 Host A Host B Source MAC = MAC A Destination MAC = MAC B Source IP = IP_A Destination IP = IP_B Local Area Network (LAN) Source MAC = MAC B Destination MAC = MAC A Source IP = IP_B Destination IP = IP_A Ethernet header IP header
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Zouheir Trabelsi 6 Router 1 Router 2 Router 3 Host A Host B Source MAC = MAC A Destination MAC = MAC Router 1 (interface 1) Source IP = IP_A Destination IP = IP_B Source MAC = MAC Router 1 (interface 2) Destination MAC = MAC Router 2 (interface 1) Source IP = IP_A Destination IP = IP_B Source MAC = MAC Router 2 (interface 3)
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