IPv4 Packet Header

Below is the IPv4 header both in both chart format and a Wireshark snippet.

IPv4 Packet - Page 1.png

  1. 3 Bits Flags:
    • Bit 1 is reserved and must be set to 0.
    • Bit 2 is the DF field. Specifies Don’t Fragment if set.
    • Bit 3 is the MF field. Specifies More Fragments if set.
  2. IANA Protocol Values

IPv4 Packet.PNG