Describe IPv4 header format.

Subject Computer Network
NU Year Set: 3.(a) Marks: 4 Year: 2017

An Internet Protocol version 4 packet header (IPv4 packet header) contains application information, including usage and source/destination addresses. IPv4packet headers contain 20 bytes of data and are normally 32 bits long. A packet is a network communication data unit containing fixed or variable lengths.

An Internet Protocol version 4 packet header (IPv4 packet header) contains application information, including usage and source/destination addresses. IPv4packet headers contain 20 bytes of data and are normally 32 bits long. A packet is a network communication data unit containing fixed or variable lengths.

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