Network Working Group T. Lemon Request for Comments: 4361 Nominum Updates: 2131, 2132, 3315 B. Sommerfield Category: Standards Track Sun Microsystems February 2006 Node-specific Client Identifiers for Dynamic Host Configuration Protocol Version Four (DHCPv4) Status of This Memo This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited. Copyright Notice Copyright (C) The Internet Society (2006). Abstract This document specifies the format that is to be used for encoding Dynamic Host Configuration Protocol Version Four (DHCPv4) client identifiers, so that those identifiers will be interchangeable with identifiers used in the DHCPv6 protocol. This document also addresses and corrects some problems in RFC 2131 and RFC 2132 with respect to the handling of DHCP client identifiers. Table of Contents 1. Introduction ....................................................2 2. Terminology .....................................................2 3. Applicability ...................................................2