IP header includes many relevant information including Version Number, which, in this context, is 4. IPv4 addresses are written in the dot-decimal notation, which comprises of four octets of the address expressed individually in decimal and separated by periods, for instance, 192.168.1.5. The length of the header is represented in 32 bit words. IP header format – Explanation of all fields What is the IP header? IHL − Internet Header Length; Length of entire IP header. This field occupies 4 bits. Since this field is … Header Length(4 bits) : This field provides the length of the IP header. IPv4 Datagram Header Size of the header is 20 to 60 bytes. Most common version of IP protocol being used is version 4 while version 6 is out in market and fast gaining popularity. IPv4).
Other details are as follows − Version − Version no.

DSCP − Differentiated Services … of Internet Protocol used (e.g.
For a received message from the peer, the IP layer removes the header. This signifies the current IP protocol version being used. This length also includes IP options (if any). IPv4 uses 32-bit (4 byte) addressing, which gives 2 32 addresses. IP header is the peace of information that is inserted by the IP layer while sending the network packet to the remote peer.