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Versions: 00 01 02 03 04 05 06 07 RFC 3679

Network Working Group                                           R. Droms
Internet-Draft                                             Cisco Systems
Expires: August 20, 2003                               February 19, 2003


                        Unused DHCP Option Codes
                  draft-ietf-dhc-unused-optioncodes-00

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.

   Internet-Drafts are draft documents valid for a maximum of six months
   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.

Copyright Notice

   Copyright (C) The Internet Society (2003).  All Rights Reserved.

Abstract

   Prior to the publication of RFC2939 (which was updated by RFC2489),
   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.




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2. Service Location Protocol Naming Authority

   Code:              80

   Name:              Service Location Protocol Naming Authority

   Defined in:        (expired Internet-Draft)

   Contact:           Charlie Perkins

   Reason to recover: Never published as standard


3. Relay Agent Options

   Codes:             83, 84

   Name:              Relay Agent Options

   Defined in:        Early draft of RFC3046 [2]

   Contact:           (none)

   Reason to recover: Not defined in RFC3046 as published


4. IEEE 1003.1 POSIX Timezone

   Code:              88

   Name:              IEEE 1003.1 POSIX Timezone

   Defined in:        (expired Internet-Draft)

   Contact:           Mike Carney

   Reason to recover: Never published as standard


5. FQDNs in DHCP Options

   Code:              89

   Name:              FQDNs in DHCP Options

   Defined in:        (expired Internet-Draft)

   Contact:           Ralph Droms



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   Reason to recover: Never published as standard


6. VINES TCP/IP Server

   Code:              91

   Name:              VINES TCP/IP Server

   Defined in:        (none)

   Contact:           (none)

   Reason to recover: Never published as Internet-Draft


7. Server Selection

   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




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   Defined in:        (none)

   Contact:           (none)

   Reason to recover: Never published as Internet-Draft


10. LDAP Servers

   Code:              95

   Name:              LDAP Servers

   Defined in:        (none)

   Contact:           (none)

   Reason to recover: Never published as Internet-Draft


11. 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







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13. 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

   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

   Code:              108

   Name:              Swap Path

   Defined in:        (none)

   Contact:           (none)

   Reason to recover: Never published as Internet-Draft


16. IPX Compatibility

   Code:              110

   Name:              IPX Compatibility

   Defined in:        (none)

   Contact:           Juan Luciani



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   Reason to recover: Never published as Internet-Draft


17. 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

   Code:              114

   Name:              URL

   Defined in:        (none)

   Contact:           Vinod Valloppillil

   Reason to recover: Never published as Internet-Draft


19. 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

   Codes:             126, 127

   Name:              Option Code Extensions



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   Defined in:        (expired Internet-Draft)

   Contact:           Ralph Droms

   Reason to recover: Never published as standard


21. Already Returned for Reassignment

   The option codes 99, 102-107, 109 and 111 have already been returned
   for reassignment to future DHCP options.

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.


Author's Address

   Ralph Droms
   Cisco Systems
   250 Apollo Drive
   Chelmsford, MA  01824
   USA

   Phone: +1 978 497 4733
   EMail: rdroms@cisco.com















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Full Copyright Statement

   Copyright (C) The Internet Society (2003).  All Rights Reserved.

   This document and translations of it may be copied and furnished to
   others, and derivative works that comment on or otherwise explain it
   or assist in its implementation may be prepared, copied, published
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   The limited permissions granted above are perpetual and will not be
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   HEREIN WILL NOT INFRINGE ANY RIGHTS OR ANY IMPLIED WARRANTIES OF
   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

Acknowledgement

   Funding for the RFC Editor function is currently provided by the
   Internet Society.



















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