1. ( Address Resolution Protocol )
ARP
( Address Resolution Protocol )

2. What Is IP ?
What Is Mac Address ?
Mapping Types :
Static Mapping
Dynamic Mapping
ARP
RARP

3. ARP Operation
ARP Request Message & ARP Reply Message
Broadcast
Unicast
ARP request message
The physical address of the sender
The IP address of the sender
The physical address of the receiver is 0
The IP address of the receiver

5. Encapsulation of ARP Packet
 An ARP packet is encapsulated directly into a data link frame

6. ARP PACKET

7. ARP Packet Details

8. Example :

9. An Example Of ARP : First Scenario:
HOST A want to send a packet to HOST C

10. Second Scenario :
HOST 112 want to send a packet to HOST 222

11. Proxy ARP :
Why Proxy ARP Is Needed
Proxy ARP Operation

12. CACHE In ARP Protocol :

13. ( Reverse Address Resolution Protocol )
RARP
( Reverse Address Resolution Protocol )

14. Solution : BootStrapping
RARP Operation
why would we ever need to do this ?
Normal Host
Diskless Workstation
Solution : BootStrapping

15. The First Solution For BootStrappingRARP
Summary :
RFC 903
Published in 1984
 Converting MAC Address to IP Address
What Is RARP Server ?
RARP is the earliest and simplest protocol designed to allow a device to obtain an IP address

16. RARP PACKET

17. Encapsulation of RARP Packet

18. If we have two or more RARP Server on any local network
RARP General Operation :
If we have two or more RARP Server on any local network

19. Limitations of RARP
Low-Level Hardware Orientation
DHCP Relay Agent
Manual Assignment
Limited Information
Superseded technologies for RARP :
DHCP
BOOTP

20. REFRENCES : www.tcpipguide.com http://telescript.denayer.wenk.be 
Computer Network 5th edTanenbaum
Computer Networking -Kurose.Ross-Edition 6

21. (n. d. ). Retrieved from http://www. rhyshaden. com: http://www
(2002, september ). Retrieved from
(2005, September 20). Retrieved from
Kurose.Ross. (n.d.). Computer Networking - Edition 6.
Tanenbaum. (n.d.). Computer Network 5th ed.