Table 1: Simplified IP Header
| Version |
32 bits |
DSCP |
TTL |
TCP |
- 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.