2020 10 21 12 51 45 Z IP Header

IP Packet Header #

  • Version: IP address type, either IPv4 or IPv6
  • Header length: Total size of IP portion of packet in words (32 bits) is displayed.
  • DSCP: Contains data used by bandwidth-sensitive applications like VOIP .
    • DSCP: Differentiated Services Code Point
  • Time to live (TTL): Prevents packets getting stuck in loops on the internet. Uses a counter that decrements by 1 every time a packet goes through a router . Can’t start higher than 255.
  • Protocol: Usually either TCP or UDP .