That value is the id of the next protocol header right after Ethernet. The Ip4 header has a reserved id value of 0x800 for it. So anyone reading that packet has to look into that type field in order to determine the next protocol. When he does, 0x800 in that field tells him the next header is Ip4.
1 The Constitution contains no reference to any right to privacy. 2  However, over more than 100 years, courts have found a fundamental (but somewhat vague) right to privacy implicit in the Constitution.
The Privacy Act is a cornerstone of American privacy law. The Privacy Act grants individuals certain rightsâlike access to and amendment of their records held by government agencies. It also details how federal agencies and government contractors entrusted with personal records must protect that information from unauthorized disclosure.