D-Link DES-3028 Product Manual - Page 302
Table - 3 ARP Payload, Table - 4 Ethernet frame format, Protocol, address, length, Operation, Sender
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H/W Protocol H/W Protocol Operation Sender type type address address length length H/W address ARP reply 00-20-5C-01-11-11 Sender protocol address 10.10.10.1 Target H/W address 00-20-5C-01-22-22 Target protocol address 10.10.10.2 Table - 3 (ARP Payload) When PC B replies to the query, "Destination Address" in the Ethernet frame it will change to PC A's MAC address. The "Source Address" will be changed to PC B's MAC address (see Table-4). Destination address 00-20-5C-01-11-11 Source address 00-20-5C-01-22-22 Ether-type ARP Table - 4 (Ethernet frame format) FCS The switch will also examine the "Source Address" of the Ethernet frame and if it finds that the address is not in the Forwarding Table, the switch will learn PC B's MAC and update its Forwarding Table.
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