Tuesday, March 10, 2020

IPV4 Header Fields

IPV4 Header Fields

Source Address: Specifies the 32-bit binary value that represents the IP address of the sending endpoint.

Destination Address: Specifies the 32-bit binary value that represents the IP address of the receiving endpoint.

Version: Describes the version of Internet Protocol

IHL: Internet Header Length, describes the length of the header

Service Type: Provides information of desired quality of service

Total Length: Describes the length of a packet, including header and data

Identification: Used for unique fragment identification

Flag: Sets various control flags regarding fragmentation

Fragment Offset: Indicates where specific fragment belongs

Time to Live: Limits lifetime of a packet

Protocol: Indicates the protocol used in the data portion of a IP packet

Header Checksum: Used for header error detection

Options: Includes optional parameters

Padding: Used to ensure that the header ends on a 32-bit boundary

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