--- 1/draft-ietf-dhc-vpn-option-00.txt 2006-02-04 23:06:49.000000000 +0100 +++ 2/draft-ietf-dhc-vpn-option-01.txt 2006-02-04 23:06:49.000000000 +0100 @@ -1,22 +1,22 @@ Request for Comments: DRAFT Richard Johnson Kim Kinnear Mark Stapp Jay Kumarasamy Cisco Systems, Inc. - July 2001 - Expires January 2001 + November 2001 + Expires May 2001 DHCP VPN Information option - + 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. @@ -35,21 +35,21 @@ To learn the current status of any Internet-Draft, please check the "1id-abstracts.txt" listing contained in the Internet-Drafts Shadow Directories on ds.internic.net (US East Coast), nic.nordu.net (Europe), ftp.isi.edu (US West Coast), or munnari.oz.au (Pacific Rim). Copyright Notice Copyright (C) The Internet Society (2000). All Rights Reserved. -DRAFT DHCP VPN Information option July 2001 +DRAFT DHCP VPN Information option November 2001 Abstract This memo defines a new DHCP option for passing VPN information between the DHCP client and the DHCP server. It is intended for use primarily by DHCP proxy clients in situations where VPN information needs to be passed to the DHCP server for proper address allocation to take place. Introduction @@ -86,21 +86,21 @@ Code Len Type VPN Information octets +-----+-----+------+-----+-----+-----+--- | TBD | n | t | v1 | v2 | v3 | ... +-----+-----+------+-----+-----+-----+--- Type: 0 NVT ASCII VPN identifier 1 RFC2685 VPN-ID 2-255 Not Allowed -DRAFT DHCP VPN Information option July 2001 +DRAFT DHCP VPN Information option November 2001 The option minimum length (n) is 2. There are two types of identifiers which can be placed in the VPN Information Suboption. The first type of identifier which can be placed in the VPN Information Suboption is an NVT ASCII string. It MUST NOT be terminated with a zero byte. The second type of identifier which can be placed in the VPN Information Suboption is an RFC2685 VPN-ID [RFC 2685], which is @@ -137,21 +137,21 @@ In the event that a VPN Informmation Option and a VPN Information Relay Suboption are both received in a particular DHCP client packet, the information from the VPN Information Suboption MUST be used in preference to the information in the VPN Information Option. Servers that do not understand this option will allocate an address using their normal algorithms and will not return this option in the DHCPOFFER or DHCPACK. In this case the client will discard the DHCPOFFER or DHCPACK. Servers that understand this option but are -DRAFT DHCP VPN Information option July 2001 +DRAFT DHCP VPN Information option November 2001 administratively configured to ignore the option MUST ignore the option, use their normal algorithms to allocate an address, and MUST NOT return this option in the DHCPOFFER or DHCPACK. In this case the client will discard the DHCPOFFER or DHCPACK. In other words, this option MUST not appear in a DHCPOFFER from a server unless it was used by the server in making the address allocation requested. Security Considerations @@ -184,21 +184,21 @@ in this document. No assignment of values for the type field need be made at this time. New values may only be defined by IETF Consensus, as described in [RFC 2434]. Basically, this means that they are defined by RFCs approved by the IESG. Moreover, any changes or additions to the type byte codes MUST be made concurrently in the type byte codes of the VPN Information Option. The type bytes and data formats of the VPN Information Option and VPN Information Suboption MUST always be identical. -DRAFT DHCP VPN Information option July 2001 +DRAFT DHCP VPN Information option November 2001 Acknowledgements This document is the result of work done within Cisco Systems. Thanks to Kim Kinnear, Mark Stapp, and Jay Kumarasamy for their work on this option definition and the other related work for which this is necessary. References @@ -231,11 +231,11 @@ Mark Stapp Cisco Systems 250 Apollo Drive Chelmsford, MA 01824 Phone: (978) 244-8000 EMail: kkinnear@cisco.com mjs@cisco.com -DRAFT DHCP VPN Information option July 2001 +DRAFT DHCP VPN Information option November 2001