D-Link DGS-3200 SERIES Cli Manual page 438

Table-3 (ARP Payload)
H/W Protocol H/W
type type address
length
When PC B replies to the query, the "Destination Address" in the Ethernet frame will be changed to PC A's MAC
address. The "Source Address" will be changed to PC B's MAC address (see Table-4).
Table-4 (Ethernet frame format)
Destination address
00-20-5C-01-11-11
The switch will also examine the "Source Address" of the Ethernet frame and find that the address is not in the
Forwarding Table. The switch will learn PC B's MAC and update its Forwarding Table.
Forwarding Table
Port1 00-20-5C-01-11-11
Port2 00-20-5C-01-22-22
DGS-3200 Series Layer 2 Gigabit Managed Switch CLI Manual
Protocol Operation
address
length
ARP reply
Source address
00-20-5C-01-22-22
Sender Sender
H/W address protocol
address
00-20-5C-01-11-11 10.10.10.1
Ether-type ARP
438
Target Target
H/W address protocol
address
00-20-5C-01-22-22 10.10.10.2
FCS