ARP, RARP, BOOTP

• Address Resolution Protocol (ARP) [RFC 1010]
  • ARP request - Broadcast ``who is a.b.c.d?''
  • ARP reply - Target alone fills <IP,Physical>
  • ARP cache arp -a
• Reverse Address Resolution Protocol (RARP, RFC 906)
  • Diskless clients request RARP servevs
  • DHCP is dynamic allocation
• BOOTP (RFC 1123)
  • Like RARP, but at higher level (UDP)
  • Can return more info