Lesson 4

Dates: 2/12/2014
Linux networking
Linux for Engineering and IT Applications


Network Layer Protocols

It provides IP addressing, subnets, IP routing and packet filtering.

  • The IP layer packet
    IP Header Data Field (Transport protocol data)

  • IPv4 Conventional Address classes Four byte IP address example: 10000000.00000110.00000010.00000001 = 128.6.2.1 
      
 Class   The First byte   In decimal          4 byte Network/Host (n/h) Address  

      
   A      0.......         0-127        nnnnnnnn.hhhhhhhh.hhhhhhhh.hhhhhhhh

   B      10......       128-191        nnnnnnnn.nnnnnnnn.hhhhhhhh.hhhhhhhh

   C      110.....       192-223        nnnnnnnn.nnnnnnnn.nnnnnnnn.hhhhhhhh

   D      1110....       224-239         (multicast)

   E      11110...       240-247         (experimental)


    • Take me to the Course Website