The IPv6 header consists of a fixed portion with minimal functionality required for all packets and may be followed by optional extensions to implement special features. The fixed header requires _____ octets (_____ bits) and contains _____.
The IPv6 header consists of a fixed portion with minimal functionality required for all packets and may be followed by optional extensions to implement special features. The fixed header requires 40 octets (320 bits) and contains the source and destination addresses, traffic classification options, a hop counter, and the type of the optional extension or payload which follows the fixed header.