draft-ietf-dhc-80211-option-00.txt   draft-ietf-dhc-80211-option-01.txt 
INTERNET-DRAFT Krzysztof Grochla INTERNET-DRAFT Krzysztof Grochla
Intended Status: <draft> (Proximetry) Intended Status: <draft> (Proximetry)
Expires: February 26, 2011 August 25 2010 Expires: February 28, 2011 August 27 2010
IEEE 802.11 parameters DHCP Option IEEE 802.11 parameters DHCP Option
draft-ietf-dhc-80211-option-00 draft-ietf-dhc-80211-option-01
Status of this Memo Status of this Memo
This Internet-Draft is submitted to IETF in full conformance with the This Internet-Draft is submitted to IETF in full conformance with the
provisions of BCP 78 and BCP 79. provisions of BCP 78 and BCP 79.
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 other Task Force (IETF), its areas, and its working groups. Note that other
groups may also distribute working documents as Internet-Drafts. groups may also distribute working documents as Internet-Drafts.
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Abstract Abstract
The wireless access points and other devices requires configuration The wireless access points and other devices requires configuration
of parameters such as channel, ESSID. This document describes the of parameters such as channel, ESSID. This document describes the
DHCP options to be used to configure these parameters. DHCP options to be used to configure these parameters.
Table of Contents Table of Contents
1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 4 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . 4
1.1 Terminology . . . . . . . . . . . . . . . . . . . . . . . . 4 1.1 Terminology . . . . . . . . . . . . . . . . . . . . . . . . 4
2 IEEE 802.11 radio configuration DCHP option . . . . . . . . . . 4 2 IEEE 802.11 radio configuration DCHP option . . . . . . . . . . 5
3 IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 5 3 IANA Considerations . . . . . . . . . . . . . . . . . . . . . . 6
4. Security consideration . . . . . . . . . . . . . . . . . . . . . 5 4. Security consideration . . . . . . . . . . . . . . . . . . . . . 6
5. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . 5 5. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . 6
6. Authors . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 6. References . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
7. References . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 6.1. Normative References . . . . . . . . . . . . . . . . . . . 6
7.1. Normative References . . . . . . . . . . . . . . . . . . . 5
Author's Addresses . . . . . . . . . . . . . . . . . . . . . . . . 6 Author's Addresses . . . . . . . . . . . . . . . . . . . . . . . . 6
1 Introduction 1 Introduction
The IEEE 802.11 networks are very popular for providing Internet The IEEE 802.11 networks are very popular for providing Internet
access. The IP address of wireless network access points are access. The IP address of wireless network access points are
typically configured using DHCP protocol, but require manual typically configured using DHCP protocol, but require manual
configuration of radio parameters. There exists also a few configuration of radio parameters. There exists also a few
autoconfiguration schemas for wireless mesh networks relaying on DHCP autoconfiguration schemas for wireless mesh networks relaying on DHCP
protocol to configure the 802.11 interfaces. The additional options protocol to configure the 802.11 interfaces. The additional options
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1.1 Terminology 1.1 Terminology
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT", The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in RFC 2119 [RFC2119]. document are to be interpreted as described in RFC 2119 [RFC2119].
2 IEEE 802.11 radio configuration DCHP option 2 IEEE 802.11 radio configuration DCHP option
This section defines the DHCP option that configures the SSID and the This section defines the DHCP option that configures the SSID and the
channel number of IEEE 802.11 network. The options have the same channel number of IEEE 802.11 network. The options have the same
structure for both DHCPv4 and DHCPv6. The option to set the number structure for both DHCPv4 and DHCPv6. The option has the format shown
and the SSID has the format shown on the following figure: on the following figure:
0 1 2 3 0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| option-code | option-length | | option-code | option-length |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| channel | SSID length | SSID | | channel | SSID length | |
+---------------+---------------+ + +---------------+---------------+ +
| | | |
+ + + +
| SSID | | SSID |
+ AC IPv6 Address + + +
| | | |
+ + + +
| | | |
+ + + +
| | | |
+ + + +
| | | |
+ + + +
| | | |
+ +-------------------------------| + +-------------------------------|
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is configured to do so. The SSID and channel may be preconfigured or is configured to do so. The SSID and channel may be preconfigured or
selected by any algorithm implemented on the server side. If the selected by any algorithm implemented on the server side. If the
option is received the interface SHOULD be configured to SSID and option is received the interface SHOULD be configured to SSID and
channel transmitted, as long as they are valid for the device. channel transmitted, as long as they are valid for the device.
3 IANA Considerations 3 IANA Considerations
The following DHCP option code for channel and SSID assignment must The following DHCP option code for channel and SSID assignment must
be assigned by IANA: be assigned by IANA:
Option Name Value Described in------------------ Option Name Value Described in
--------------------------------- OPTION_80211_CHANN_SSID TBD ---------------------------------------------------
Section 2 OPTION_80211_CHANN_SSID TBD Section 2
4. Security consideration The security considerations in [RFC2131], 4. Security consideration The security considerations in [RFC2131],
[RFC2132] and [RFC3315] apply. If an adversary manages to modify the [RFC2132] and [RFC3315] apply. If an adversary manages to modify the
response from a DHCP server or insert its own response, the interface response from a DHCP server or insert its own response, the interface
may be configured to a SSID and channel provided by the intruder. In may be configured to a SSID and channel provided by the intruder. In
security sensitive environment this should be taken into security sensitive environment this should be taken into
consideration by network administrator. consideration by network administrator.
5. Acknowledgments The following individuals are acknowledged for their 5. Acknowledgments The following individuals are acknowledged for their
contributions to this protocol specification: Walter Buga contributions to this protocol specification: Walter Buga
6. Authors Krzysztof Grochla Proximetry Poland, Al. Rozdzienskiego 91 6. References
40-203 Katowice, Poland
7. References
7.1. Normative References 6.1. Normative References
[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, March 1997. Requirement Levels", BCP 14, RFC 2119, March 1997.
[RFC2131] Droms, R., "Dynamic Host Configuration Protocol", [RFC2131] Droms, R., "Dynamic Host Configuration Protocol",
RFC 2131, March 1997. RFC 2131, March 1997.
[RFC2132] Alexander, S. and R. Droms, "DHCP Options and BOOTP Vendor [RFC2132] Alexander, S. and R. Droms, "DHCP Options and BOOTP Vendor
Extensions", RFC 2132, March 1997 Extensions", RFC 2132, March 1997
 End of changes. 9 change blocks. 
21 lines changed or deleted 17 lines changed or added

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