draft-ietf-dhc-unused-optioncodes-01.txt		draft-ietf-dhc-unused-optioncodes-02.txt
	Network Working Group R. Droms		Network Working Group R. Droms
	Internet-Draft Cisco Systems		Internet-Draft Cisco Systems
	Expires: October 10, 2003 April 11, 2003		Expires: October 15, 2003 April 16, 2003
	Unused DHCP Option Codes		Unused DHCP Option Codes
	draft-ietf-dhc-unused-optioncodes-01		draft-ietf-dhc-unused-optioncodes-02
	Status of this Memo		Status of this Memo
	This document is an Internet-Draft and is in full conformance with		This document is an Internet-Draft and is in full conformance with
	all provisions of Section 10 of RFC2026.		all provisions of Section 10 of RFC2026.
	Internet-Drafts are working documents of the Internet Engineering		Internet-Drafts are working documents of the Internet Engineering
	Task Force (IETF), its areas, and its working groups. Note that		Task Force (IETF), its areas, and its working groups. Note that
	other groups may also distribute working documents as Internet-		other groups may also distribute working documents as Internet-
	Drafts.		Drafts.
	skipping to change at page 1, line 31		skipping to change at page 1, line 31
	and may be updated, replaced, or obsoleted by other documents at any		and may be updated, replaced, or obsoleted by other documents at any
	time. It is inappropriate to use Internet-Drafts as reference		time. It is inappropriate to use Internet-Drafts as reference
	material or to cite them other than as "work in progress."		material or to cite them other than as "work in progress."
	The list of current Internet-Drafts can be accessed at		The list of current Internet-Drafts can be accessed at
	http://www.ietf.org/ietf/1id-abstracts.txt.		http://www.ietf.org/ietf/1id-abstracts.txt.
	The list of Internet-Draft Shadow Directories can be accessed at		The list of Internet-Draft Shadow Directories can be accessed at
	http://www.ietf.org/shadow.html.		http://www.ietf.org/shadow.html.
	This Internet-Draft will expire on October 10, 2003.		This Internet-Draft will expire on October 15, 2003.
	Copyright Notice		Copyright Notice
	Copyright (C) The Internet Society (2003). All Rights Reserved.		Copyright (C) The Internet Society (2003). All Rights Reserved.
	Abstract		Abstract
	Prior to the publication of RFC2489 (which was updated by RFC2939),		Prior to the publication of RFC2489 (which was updated by RFC2939),
	several option codes were assigned to proposed DHCP options that were		several option codes were assigned to proposed DHCP options that were
	subsequently never used. This document lists those unused option		subsequently never used. This document lists those unused option
	codes and will be used to confirm that these option codes can be		codes and will be used to confirm that these option codes can be
	reused for other DHCP options in the future.		reused for other DHCP options in the future.
	1. Introduction		1. Introduction
	This document lists the unused DHCP option codes from the IANA list		This document lists the unused DHCP option codes from the IANA list
	of BOOTP and DHCP option codes [1]. Each option code includes any		of BOOTP and DHCP option codes [1]. Each option code includes any
	known documentation and contact information from the IANA list.		known documentation and contact information from the IANA list.
	2. Service Location Protocol Naming Authority		2. Unused Option Codes
			The option codes listed in this section are to be returned to IANA
			for reassignment to new options.
			2.1 Service Location Protocol Naming Authority
	Code: 80		Code: 80
	Name: Service Location Protocol Naming Authority		Name: Service Location Protocol Naming Authority
	Defined in: (expired Internet-Draft)		Defined in: (expired Internet-Draft)
	Contact: Charlie Perkins		Contact: Charlie Perkins
	Reason to recover: Never published as standard		Reason to recover: Never published as standard
	3. Relay Agent Options		2.2 Relay Agent Options
	Codes: 83, 84		Codes: 83, 84
	Name: Relay Agent Options		Name: Relay Agent Options
	Defined in: Early draft of RFC3046 [2]		Defined in: Early draft of RFC3046 [2]
	Contact: (none)		Contact: (none)
	Reason to recover: Not defined in RFC3046 as published		Reason to recover: Not defined in RFC3046 as published
	4. IEEE 1003.1 POSIX Timezone		2.3 IEEE 1003.1 POSIX Timezone
	Code: 88		Code: 88
	Name: IEEE 1003.1 POSIX Timezone		Name: IEEE 1003.1 POSIX Timezone
	Defined in: (expired Internet-Draft)		Defined in: (expired Internet-Draft)
	Contact: Mike Carney		Contact: Mike Carney
	Reason to recover: Never published as standard		Reason to recover: Never published as standard
	5. FQDNs in DHCP Options		2.4 FQDNs in DHCP Options
	Code: 89		Code: 89
	Name: FQDNs in DHCP Options		Name: FQDNs in DHCP Options
	Defined in: (expired Internet-Draft)		Defined in: (expired Internet-Draft)
	Contact: Ralph Droms		Contact: Ralph Droms
	Reason to recover: Never published as standard		Reason to recover: Never published as standard
	6. VINES TCP/IP Server		2.5 VINES TCP/IP Server
	Code: 91		Code: 91
	Name: VINES TCP/IP Server		Name: VINES TCP/IP Server
	Defined in: (none)		Defined in: (none)
	Contact: (none)		Contact: (none)
	Reason to recover: Never published as Internet-Draft		Reason to recover: Never published as Internet-Draft
	7. Server Selection		2.6 Server Selection
	Code: 92		Code: 92
	Name: Server Selection		Name: Server Selection
	Defined in: (none)		Defined in: (none)
	Contact: (none)		Contact: (none)
	Reason to recover: Never published as Internet-Draft		Reason to recover: Never published as Internet-Draft
	8. LDAP Servers		2.7 LDAP Servers
	Code: 95		Code: 95
	Name: LDAP Servers		Name: LDAP Servers
	Defined in: (none)		Defined in: (none)
	Contact: (none)		Contact: (none)
	Reason to recover: Never published as Internet-Draft		Reason to recover: Never published as Internet-Draft
	9. IPv6 Transition		2.8 IPv6 Transition
	Code: 96		Code: 96
	Name: IPv6 Transition		Name: IPv6 Transition
	Defined in: (expired Internet-Draft)		Defined in: (expired Internet-Draft)
	Contact: Dan Harrington		Contact: Dan Harrington
	Reason to recover: Never published as standard		Reason to recover: Never published as standard
	10. Printer Name		2.9 Printer Name
	Code: 100		Code: 100
	Name: Printer Name		Name: Printer Name
	Defined in: (none)		Defined in: (none)
	Contact: (none)		Contact: (none)
	Reason to recover: Never published as Internet-Draft		Reason to recover: Never published as Internet-Draft
	11. Multicast Assignment through DHCP		2.10 Multicast Assignment through DHCP
	Code: 101		Code: 101
	Name: Multicast Assignment through DHCP		Name: Multicast Assignment through DHCP
	Defined in: (expired Internet-Draft)		Defined in: (expired Internet-Draft)
	Contact: Baiju Patel, Munil Shah		Contact: Baiju Patel, Munil Shah
	Reason to recover: Never published as standard		Reason to recover: Never published as standard
	12. Swap Path		2.11 Swap Path
	Code: 108		Code: 108
	Name: Swap Path		Name: Swap Path
	Defined in: (none)		Defined in: (none)
	Contact: (none)		Contact: (none)
	Reason to recover: Never published as Internet-Draft		Reason to recover: Never published as Internet-Draft
	13. IPX Compatibility		2.12 IPX Compatibility
	Code: 110		Code: 110
	Name: IPX Compatibility		Name: IPX Compatibility
	Defined in: (none)		Defined in: (none)
	Contact: Juan Luciani		Contact: Juan Luciani
	Reason to recover: Never published as Internet-Draft		Reason to recover: Never published as Internet-Draft
	14. Netinfo Parameters		2.13 Netinfo Parameters
	Codes: 112, 113		Codes: 112, 113
	Name: Netinfo Address, Netinfo Tag		Name: Netinfo Address, Netinfo Tag
	Defined in: (none)		Defined in: (none)
	Contact: Marc Majka		Contact: Marc Majka
	Reason to recover: Never published as Internet-Draft		Reason to recover: Never published as Internet-Draft
	15. URL		2.14 URL
	Code: 114		Code: 114
	Name: URL		Name: URL
	Defined in: (none)		Defined in: (none)
	Contact: Vinod Valloppillil		Contact: Vinod Valloppillil
	Reason to recover: Never published as Internet-Draft		Reason to recover: Never published as Internet-Draft
	16. Failover		2.15 Failover
	Code: 115		Code: 115
	Name: Failover		Name: Failover
	Defined in: Early revisions of "DHCP Failover Protocol" [3]		Defined in: Early revisions of "DHCP Failover Protocol" [3]
	Contact: Kim Kinnear		Contact: Kim Kinnear
	Reason to recover: Current version of "DHCP Failover Protocol" does		Reason to recover: Current version of "DHCP Failover Protocol" does
	not use a DHCP option		not use a DHCP option
	17. Option Code Extensions		3. Option codes used in PXE Specification
	Codes: 126, 127
	Name: Option Code Extensions
	Defined in: (expired Internet-Draft)
	Contact: Ralph Droms
	Reason to recover: Never published as standard
	18. Option codes used in PXE Specification
	The following option codes are used in the "Preboot Execution		The following option codes are used in the "Preboot Execution
	Environment (PXE) Specification, Version 2.1" [4]. However, none of		Environment (PXE) Specification, Version 2.1" [4]. However, none of
	these option codes have been specified as a Standards-track RFC.		these option codes have been specified as a Standards-track RFC.
	18.1 Client System		3.1 Client System
	Code: 93		Code: 93
	Name: Client System		Name: Client System
	Defined in: (none)		Defined in: (none)
	Contact: (none)		Contact: (none)
	Reason to recover: Never published as Internet-Draft		Reason to recover: Never published as Internet-Draft
	18.2 Client NDI		3.2 Client NDI
	Code: 94		Code: 94
	Name: Client NDI		Name: Client NDI
	Defined in: (none)		Defined in: (none)
	Contact: (none)		Contact: (none)
	Reason to recover: Never published as Internet-Draft		Reason to recover: Never published as Internet-Draft
	18.3 UUID/GUID Client Identifier		3.3 UUID/GUID Client Identifier
	Code: 97		Code: 97
	Name: UUID/GUID Client Identifier		Name: UUID/GUID Client Identifier
	Defined in: (expired Internet-Draft)		Defined in: (expired Internet-Draft)
	Contact: Dan Harrington		Contact: Dan Harrington
	Reason to recover: Never published as standard		Reason to recover: Never published as standard
	19. Already Returned for Reassignment		4. Option Code Extensions
			Note that these option codes are identified in draft-volz-dhc-
			extended-optioncodes-00 [6] as part of a mechanism for extending the
			set of option codes available to DHCP. If these option codes are not
			used for DHCP option code extension, they will be returned to IANA
			for reassignment to other DHCP options.
			Codes: 126, 127
			Name: Option Code Extensions
			Defined in: (expired Internet-Draft)
			Contact: Ralph Droms
			Reason to recover: Never published as standard; note that these
			option codes are mentioned as
			5. Already Returned for Reassignment
	The option codes 99, 102-107, 109 and 111 have already been returned		The option codes 99, 102-107, 109 and 111 have already been returned
	for reassignment to future DHCP options.		for reassignment to future DHCP options.
	20. IANA Considerations		6. IANA Considerations
	When this document has been published as an Informational RFC, IANA		When this document has been published as an Informational RFC, IANA
	will be requested to return the unused DHCP option codes to the list		will be requested to return the unused DHCP option codes to the list
	of available option codes. These option codes may be reassigned to		of available option codes. These option codes may be reassigned to
	new DHCP options, according to the procedures in RFC 2939 [5].		new DHCP options, according to the procedures in RFC 2939 [5].
	References		References
	[1] Assigned Numbers Editor, IANA., "BOOTP and DHCP Parameters",		[1] Assigned Numbers Editor, IANA., "BOOTP and DHCP Parameters",
	http://www.iana.org/assignments/bootp-dhcp-parameters,		http://www.iana.org/assignments/bootp-dhcp-parameters,
	skipping to change at page 8, line 4		skipping to change at page 8, line 14
	ietf-dhc-failover-11.txt (work in progress), November 2002.		ietf-dhc-failover-11.txt (work in progress), November 2002.
	[4] Intel Corporation, "Preboot Execution Environment (PXE)		[4] Intel Corporation, "Preboot Execution Environment (PXE)
	Specification Version 2.1",		Specification Version 2.1",
	http://www.pix.net/software/pxeboot/archive/pxespec.pdf,		http://www.pix.net/software/pxeboot/archive/pxespec.pdf,
	September 1999.		September 1999.
	[5] Droms, R., "Procedures and IANA Guidelines for Definition of New		[5] Droms, R., "Procedures and IANA Guidelines for Definition of New
	DHCP Options and Message Types", BCP 43, RFC 2939, September		DHCP Options and Message Types", BCP 43, RFC 2939, September
	2000.		2000.
			[6] Volz, B., Droms, R. and T. Lemon, "Extending DHCP Options Codes",
			draft-volz-dhc-extended-optioncodes-00.txt (work in progress),
			September 2000.
	Author's Address		Author's Address
	Ralph Droms		Ralph Droms
	Cisco Systems		Cisco Systems
	250 Apollo Drive		250 Apollo Drive
	Chelmsford, MA 01824		Chelmsford, MA 01824
	USA		USA
	Phone: +1 978 497 4733		Phone: +1 978 497 4733
End of changes.
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