ARP techniques (contd)

• 2: Table Lookup: Searching or indexing to get MAC addresses

  • Similar to lookup in /etc/hosts for names
  • Problem: change Ethernet card => change table

R

E

IP Address

MAC Address

197.15.3.1

0A:4B:00:00:07:08

197.15.3.2

0B:4B:00:00:07:00

197.15.3.3

0A:5B:00:01:01:03

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