--- 1/draft-ietf-dhc-unused-optioncodes-00.txt 2006-02-04 23:06:18.000000000 +0100 +++ 2/draft-ietf-dhc-unused-optioncodes-01.txt 2006-02-04 23:06:18.000000000 +0100 @@ -1,17 +1,17 @@ Network Working Group R. Droms Internet-Draft Cisco Systems -Expires: August 20, 2003 February 19, 2003 +Expires: October 10, 2003 April 11, 2003 Unused DHCP Option Codes - draft-ietf-dhc-unused-optioncodes-00 + draft-ietf-dhc-unused-optioncodes-01 Status of this Memo This document is an Internet-Draft and is in full conformance with all provisions of Section 10 of RFC2026. Internet-Drafts are working documents of the Internet Engineering Task Force (IETF), its areas, and its working groups. Note that other groups may also distribute working documents as Internet- Drafts. @@ -20,29 +20,29 @@ and may be updated, replaced, or obsoleted by other documents at any time. It is inappropriate to use Internet-Drafts as reference material or to cite them other than as "work in progress." The list of current Internet-Drafts can be accessed at http://www.ietf.org/ietf/1id-abstracts.txt. The list of Internet-Draft Shadow Directories can be accessed at http://www.ietf.org/shadow.html. - This Internet-Draft will expire on August 20, 2003. + This Internet-Draft will expire on October 10, 2003. Copyright Notice Copyright (C) The Internet Society (2003). All Rights Reserved. Abstract - Prior to the publication of RFC2939 (which was updated by RFC2489), + Prior to the publication of RFC2489 (which was updated by RFC2939), several option codes were assigned to proposed DHCP options that were subsequently never used. This document lists those unused option codes and will be used to confirm that these option codes can be reused for other DHCP options in the future. 1. Introduction This document lists the unused DHCP option codes from the IANA list of BOOTP and DHCP option codes [1]. Each option code includes any known documentation and contact information from the IANA list. @@ -111,192 +111,215 @@ Code: 92 Name: Server Selection Defined in: (none) Contact: (none) Reason to recover: Never published as Internet-Draft -8. Client System - - Code: 93 - - Name: Client System - - Defined in: (none) - - Contact: (none) - - Reason to recover: Never published as Internet-Draft - -9. Client NDI - - Code: 94 - - Name: Client NDI - Defined in: (none) - - Contact: (none) - - Reason to recover: Never published as Internet-Draft - -10. LDAP Servers +8. LDAP Servers Code: 95 Name: LDAP Servers Defined in: (none) Contact: (none) Reason to recover: Never published as Internet-Draft -11. IPv6 Transition +9. IPv6 Transition Code: 96 Name: IPv6 Transition - - Defined in: (expired Internet-Draft) - - Contact: Dan Harrington - - Reason to recover: Never published as standard - -12. UUID/GUID Client Identifier - - Code: 97 - - Name: UUID/GUID Client Identifier - Defined in: (expired Internet-Draft) Contact: Dan Harrington Reason to recover: Never published as standard -13. Printer Name +10. Printer Name Code: 100 Name: Printer Name Defined in: (none) Contact: (none) Reason to recover: Never published as Internet-Draft -14. Multicast Assignment through DHCP +11. Multicast Assignment through DHCP Code: 101 Name: Multicast Assignment through DHCP Defined in: (expired Internet-Draft) Contact: Baiju Patel, Munil Shah Reason to recover: Never published as standard -15. Swap Path +12. Swap Path Code: 108 Name: Swap Path Defined in: (none) Contact: (none) Reason to recover: Never published as Internet-Draft -16. IPX Compatibility +13. IPX Compatibility Code: 110 Name: IPX Compatibility Defined in: (none) Contact: Juan Luciani + Reason to recover: Never published as Internet-Draft -17. Netinfo Parameters +14. Netinfo Parameters Codes: 112, 113 Name: Netinfo Address, Netinfo Tag Defined in: (none) Contact: Marc Majka Reason to recover: Never published as Internet-Draft -18. URL +15. URL Code: 114 Name: URL Defined in: (none) Contact: Vinod Valloppillil Reason to recover: Never published as Internet-Draft -19. Failover +16. Failover Code: 115 Name: Failover Defined in: Early revisions of "DHCP Failover Protocol" [3] Contact: Kim Kinnear - Reason to recover: Current version of "DHCP Failover Protocol" does not use a DHCP option -20. Option Code Extensions +17. Option Code Extensions Codes: 126, 127 Name: Option Code Extensions + Defined in: (expired Internet-Draft) Contact: Ralph Droms Reason to recover: Never published as standard -21. Already Returned for Reassignment +18. Option codes used in PXE Specification + + The following option codes are used in the "Preboot Execution + Environment (PXE) Specification, Version 2.1" [4]. However, none of + these option codes have been specified as a Standards-track RFC. + +18.1 Client System + + Code: 93 + + Name: Client System + + Defined in: (none) + + Contact: (none) + + Reason to recover: Never published as Internet-Draft + +18.2 Client NDI + + Code: 94 + + Name: Client NDI + + Defined in: (none) + + Contact: (none) + + Reason to recover: Never published as Internet-Draft + +18.3 UUID/GUID Client Identifier + + Code: 97 + + Name: UUID/GUID Client Identifier + + Defined in: (expired Internet-Draft) + + Contact: Dan Harrington + + Reason to recover: Never published as standard + +19. Already Returned for Reassignment The option codes 99, 102-107, 109 and 111 have already been returned for reassignment to future DHCP options. +20. IANA Considerations + + When this document has been published as an Informational RFC, IANA + will be requested to return the unused DHCP option codes to the list + of available option codes. These option codes may be reassigned to + new DHCP options, according to the procedures in RFC 2939 [5]. + References [1] Assigned Numbers Editor, IANA., "BOOTP and DHCP Parameters", http://www.iana.org/assignments/bootp-dhcp-parameters, February 2003. [2] Patrick, M., "DHCP Relay Agent Information Option", RFC 3046, January 2001. [3] Droms, R., Kinnear, K., Stapp, M., Volz, B., Gonczi, S., Rabil, G., Dooley, M. and A. Kapur, "DHCP Failover Protocol", draft- ietf-dhc-failover-11.txt (work in progress), November 2002. + [4] Intel Corporation, "Preboot Execution Environment (PXE) + Specification Version 2.1", + http://www.pix.net/software/pxeboot/archive/pxespec.pdf, + September 1999. + + [5] Droms, R., "Procedures and IANA Guidelines for Definition of New + DHCP Options and Message Types", BCP 43, RFC 2939, September + 2000. + Author's Address Ralph Droms Cisco Systems 250 Apollo Drive Chelmsford, MA 01824 USA Phone: +1 978 497 4733 EMail: rdroms@cisco.com