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Address Resolution Protocol  Presenting By:- Jatin Kumar
What is AR ? ,[object Object],[object Object],[object Object]
What is AR ?(Contd.) ,[object Object]
Why addressing is done at two different layers? ,[object Object],[object Object],[object Object]
Why AR is necessary? ,[object Object],[object Object],[object Object]
Why AR is necessary?(Contd.) ,[object Object],[object Object],[object Object]
 
Methods of Address Resolution ,[object Object],[object Object],[object Object]
Direct Mapping ,[object Object],[object Object],[object Object]
222  101  33  29 11011110  01100101  00100001  00101001 29 00101001 8 bit h/w address (#29) Decimal Binary 32 bit IP address (222.101.33.29) Address Resolution through direct mapping
Address Resolution through direct mapping ,[object Object],[object Object],[object Object]
Direct mapping is not possible with large h/w address. ,[object Object],[object Object]
32 bit  IP address (?)  0  8  16  24  32  40  4 8 ?  ?  ?  ? ?  ?  ?  ? Decimal Binary 0A  A7  94  07  CB  D0 00001010  10100111  10010100  00000111  11001011  11010000 48 bit h/w address(0A-A7-94-07-CB-D0)
Dynamic Address Resolution ,[object Object],[object Object]
LAN Switch Device C IP address: IPC H/W address: #46 Device  A IP address: IPA H/W address: #43 Device B IP address: IPB H/W address: #79 Device D IP address: IPD H/W address: #48 Who is IPB? IPB is #79
Dynamic Address Resolution(Contd.) ,[object Object]
About ARP  ,[object Object]
 
 
 
 

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Address Resolution Protocol

  • 1. Address Resolution Protocol Presenting By:- Jatin Kumar
  • 2.
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  • 10. 222 101 33 29 11011110 01100101 00100001 00101001 29 00101001 8 bit h/w address (#29) Decimal Binary 32 bit IP address (222.101.33.29) Address Resolution through direct mapping
  • 11.
  • 12.
  • 13. 32 bit IP address (?) 0 8 16 24 32 40 4 8 ? ? ? ? ? ? ? ? Decimal Binary 0A A7 94 07 CB D0 00001010 10100111 10010100 00000111 11001011 11010000 48 bit h/w address(0A-A7-94-07-CB-D0)
  • 14.
  • 15. LAN Switch Device C IP address: IPC H/W address: #46 Device A IP address: IPA H/W address: #43 Device B IP address: IPB H/W address: #79 Device D IP address: IPD H/W address: #48 Who is IPB? IPB is #79
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