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1、IEEE Std 802.1AX-2008 IEEE Standard for Local and metropolitan area networks Link Aggregation IEEE 3 Park Avenue New York, NY 10016-5997, USA 3 November 2008 IEEE Computer Society Sponsored by the LAN/MAN Standards Committee 802.1AX TM Authorized licensed use limited to: Tsinghua University Library.
2、 Downloaded on December 25,2010 at 11:59:55 UTC from IEEE Xplore. Restrictions apply. Authorized licensed use limited to: Tsinghua University Library. Downloaded on December 25,2010 at 11:59:55 UTC from IEEE Xplore. Restrictions apply. IEEE Std 802.1AX-2008 IEEE Standard for Local and metropolitan a
3、rea networks Link Aggregation Sponsor LAN/MAN Standards Committee of the IEEE Computer Society Approved 26 September 2008 IEEE-SA Standards Board Authorized licensed use limited to: Tsinghua University Library. Downloaded on December 25,2010 at 11:59:55 UTC from IEEE Xplore. Restrictions apply. The
4、Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA Copyright 2008 by the Institute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 3 November 2008. Printed in the United States of America. IEEE and 802 are registered trade
5、marks in the U.S. Patent +1 978 750 8400. Permission to photocopy portions of any individual standard for educational classroom use can also be obtained through the Copyright Clearance Center. Authorized licensed use limited to: Tsinghua University Library. Downloaded on December 25,2010 at 11:59:55
6、 UTC from IEEE Xplore. Restrictions apply. ivCopyright 2008 IEEE. All rights reserved. Introduction The majority of the content of this standard is from IEEE Std 802.3 where it was originally developed as the amendment project IEEE P802.3ad. Management information is from Clause 30 with the bulk of
7、the functionality from Clause 43 and its annexes. Notice to users Laws and regulations Users of these documents should consult all applicable laws and regulations. Compliance with the provisions of this standard does not imply compliance to any applicable regulatory requirements. Implementers of the
8、 standard are responsible for observing or referring to the applicable regulatory requirements. IEEE does not, by the publication of its standards, intend to urge action that is not in compliance with applicable laws, and these documents may not be construed as doing so. Copyrights This document is
9、copyrighted by the IEEE. It is made available for a wide variety of both public and private uses. These include both use, by reference, in laws and regulations, and use in private self-regulation, standardization, and the promotion of engineering practices and methods. By making this document availa
10、ble for use and adoption by public authorities and private users, the IEEE does not waive any rights in copyright to this document. Updating of IEEE documents Users of IEEE standards should be aware that these documents may be superseded at any time by the issuance of new editions or may be amended
11、from time to time through the issuance of amendments, corrigenda, or errata. An official IEEE document at any point in time consists of the current edition of the document together with any amendments, corrigenda, or errata then in effect. In order to determine whether a given document is the curren
12、t edition and whether it has been amended through the issuance of amendments, corrigenda, or errata, visit the IEEE Standards Association website at http:/ieeexplore.ieee.org/xpl/standards.jsp, or contact the IEEE at the address listed previously. For more information about the IEEE Standards Associ
13、ation or the IEEE standards development process, visit the IEEE-SA website at http:/standards.ieee.org. Errata Errata, if any, for this and all other standards can be accessed at the following URL: http:/ standards.ieee.org/reading/ieee/updates/errata/index.html. Users are encouraged to check this U
14、RL for errata periodically. This introduction is not part of IEEE Std 802.1AX-2008, IEEE Standard for Local and Metropolitan Area NetworksLink Aggregation. Authorized licensed use limited to: Tsinghua University Library. Downloaded on December 25,2010 at 11:59:55 UTC from IEEE Xplore. Restrictions a
15、pply. Copyright 2008 IEEE. All rights reserved.v Interpretations Current interpretations can be accessed at the following URL: http:/standards.ieee.org/reading/ieee/interp/ index.html. Patents Attention is called to the possibility that implementation of this amendment may require use of subject mat
16、ter covered by patent rights. By publication of this amendment, no position is taken with respect to the existence or validity of any patent rights in connection therewith. The IEEE is not responsible for identifying Essential Patent Claims for which a license may be required, for conducting inquiri
17、es into the legal validity or scope of Patents Claims or determining whether any licensing terms or conditions provided in connection with submission of a Letter of Assurance, if any, or in any licensing agreements are reasonable or non- discriminatory. Users of this amendment are expressly advised
18、that determination of the validity of any patent rights, and the risk of infringement of such rights, is entirely their own responsibility. Further information may be obtained from the IEEE Standards Association. Participants The following individuals were officers and members of the IEEE 802.3 work
19、ing group at the beginning of the working group ballot. Individuals may have not voted, voted for approval, disapproval or abstained on this standard. Robert M. Grow, IEEE 802.3 Working Group Chair, IEEE 802.3ax Task Force Editor David J. Law, IEEE 802.3 Working Group Vice-Chair, IEEE 802.3ax Task F
20、orce Chair Wael William Diab, IEEE 802.3 Working Group Secretary Steven B. Carlson, IEEE 802.3 Working Group Executive Secretary Bradley Booth, IEEE 802.3 Working Group Treasurer John Abbott Joe Abler Taufique Ahmed Youichi Akasaka Arne Alping Michael Altman Pete Anslow Joseph N. Babanezhad Jim Barn
21、ette Hugh Barrass Scott Barrick Howard Baumer Denis Beaudoin Michal Beck Christian Beia Michael Bennett Ralf-Peter Braun Dave Brearley Matt Brown Phillip Brownlee Robert Brunner Robert Busse Jeffrey Cain J. Martin Carroll Mandeep Chadha David Chalupsky Frank Chang Luke Chang George Claseman Terry Co
22、bb James Collum David Cunningham Fumio Daido John Dallesasse Yair Darshan Piers Dawe Bill Delveaux Joe DeNicholas Claudio DeSanti Suveer Dhamejani Chris Di Minico Thomas Dineen Thuyen Dinh Dan Dove Mike Dudek Marcus Duelk Joseph E. Dupuis Frank J. Effenberger Daniel Feldman Thomas Fischer Alan Flatm
23、an Howard M. Frazier Richard Frosch Ilango S. Ganga Ali Ghiasi Sajol Ghoshal Russ Gyurek Marek Hajduczenia Brian Holden Keith Hopwood Walter K. Hurwitz John Jaeger John Jetzt Wenbin Jiang Andrew C. Jimenez Chad Jones Thomas K. Jrgensen Shinkyo Kaku Boris Katzenberg Tatsuya Kawashimo Mitsunobu Kimura
24、 David J. Koenen Paul Kolesar Derek Koonce Glen Kramer Jan Krellner Authorized licensed use limited to: Tsinghua University Library. Downloaded on December 25,2010 at 11:59:55 UTC from IEEE Xplore. Restrictions apply. viCopyright 2008 IEEE. All rights reserved. Historical participants Included is a
25、historical list of participants from the IEEE 802.3 and IEEE 802.1 Working Groups who have dedicated their valuable time, energy, and knowledge to the creation of IEEE Std 802.3ad-2000 Link Aggre- gation amendment from which this standard is derived. Geoffrey O. Thompson, IEEE 802.3 Working Group Ch
26、air David J. Law, IEEE 802.3 Working Group Vice Chair Robert M. Grow, IEEE 802.3 Working Group Secretary Steven R. Haddock, Chair, IEEE P802.3ad Task Force Tony Jeffree, Co-editor, IEEE P802.3ad Task Force Rich Seifert, Co-editor, IEEE P802.3ad Task Force Hans Lackner D. Matthew Landry Daun Langston
27、 Jeff Lapak Ferdinando Lari Dong-Soo Lee Worayot Lertniphonphun Robert Lingle, Jr. Jeffrey Lynch Eric R. Lynskey Jeff Mandin Arthur Marris Thomas Mathey Mike McConnell Michael S. McCormack Richard Y. Mei Richard Mellitz Tremont Miao Charles Moore Andy Moorwood Wayne A. Mueller Toshiaki Mukojima Shim
28、on Muller Gary Nicholl Shinji Nishimura Ron Nordin Bob Noseworthy Mark Nowell Steven OHara Satoshi Obara Gourgen Oganessyan Bengt-Erik Olsson Akihiro Otaka George Oulundsen, III Tom Palkert Tim Parker Glenn Parsons Martin Patoka Arkadiy Peker Petar Pepeljugoski John Picard Petre Popescu Carl R. Post
29、huma Rick Rabinovich Prakash Radhakrishnan Duane Remein Steve Robbins Valerie Rybinski Naoto Saeki Ramesh Sastry Olindo Savi T. Shannon Sawyer Fred Schindler Peter Schoenmaker Lee Sendelbach Shoichiro Seno Masayuki Shigematsu Larry Shorthill Andrew Smith Fulvio Spagna Clay Stanford Ken-ichi Suzuki S
30、teve Swanson Andre Szczepanek Akira Takahashi Noriyuki Takeda Motoyuki Takizawa Keiji Tanaka Tsutomu Tatsuta Vivek Telang Geoffrey O. Thompson Peter Tomaszewski Hidehiro Toyoda Stephen J. Trowbridge Shinji Tsuji Brad Turner Kiyoshi Uematsu Sterling A. Vaden Magesh Valliappan Schelto van Doorn Anoop
31、Vetteth Chenxi Wang Bill Woodruff Hajime Yamashita Yinglin (Frank) Yang Bin Yeong Yoon George Zimmerman Oscar Agazzi Don Alderrou Abe Ali Khaled Amer Ralph Andersson Ken-ichi Arai Kameran Azadet Keith Balmer Denis Beaudoin John L. Bestel Michel Bohbot Brad J. Booth Paul Bottorff Gary Bourque Steve B
32、rewer Vince Bridgers Benjamin Brown Lisa Buckman Robert Busse Richard Cam Bob Campbell Edward G. Chang Edward S. Chang Hon Wan Chin Chris Christ Terry Cobb Edward Cornejo John Creigh Kevin Daines Tom Debiec Chris Di Minico Erik Dickens Thomas J. Dineen Dan Dove Steve Dreyer George Eisler Michael Els
33、wick John F. Ewen Mark Feuerstraeter Jens Fiedler Norival Figueira Norman Finn Alan Flatman Howard M. Frazier Scott Fritz Darrell Furlong Giorgio Giaretta Joel Goergen Authorized licensed use limited to: Tsinghua University Library. Downloaded on December 25,2010 at 11:59:55 UTC from IEEE Xplore. Re
34、strictions apply. Copyright 2008 IEEE. All rights reserved.vii Bin Guo Atikem Haile-Mariam Sharam Hakimi Del Hanson Doug Harshbarger Lloyd Hasley Marwan Hassoun Mehdi Hatamian Gaby Hecht Ken Herrity John Hill Henry Hinrichs Clarence Joh Thomas K. Jrgensen Juan Jover Paul Jury Shinkyo Kaku Mohan Kalk
35、unte Amrit Kalla Hadriel Kaplan Jaime Kardontchik Toyoyuki Kato Daniel Kelley Yongbum Kim Atsushi Kimoto Keith Klamm Christine Koenig Paul F. Kolesar Kishan Rao Konda Josef Kosilek Hans Lackner Daun Langston Loren Larsen Brian E. Lemoff Bill Lidinsky George Lin Jeffrey Lynch Brian MacLeod Kenneth Ma
36、cLeod Rabih Makarem Robert A. Marsland David W. Martin Thomas Mathey Tremont Miao Colin Mick Larry Miller Cindy Montstream Robert Mortonson Simon Moseley Shimon Muller Denis Murphy Yaron Nachman Ken Naganuma Hari Naidu Paul Nikolich Michael Nootbaar Bob Noseworthy Mark Nowell Satoshi Obara Toshio Oo
37、ka Don Pannell Luc Pariseau John Payne Robert Pieters John Proffitt Steve Pryor William Quackenbush Sailesh K. Rao Peter Rautenberg Anil Rijsinghani Carlos Rodriguez Shawn Rogers Floyd E. Ross Tam Ross Larry Rubin Peter Sallaway Bill Sarles J. David Schell Ted Schroeder Mick Seaman Lee Sendelbach Ko
38、ichiro Seto Som Sikdar Alexander Smith Andrew Smith Michael A. Smith David Sorensen Michel Srenson Ronald Steudler Stephen Strong Steve Swanson Tad Szostak Rich Taborek Pat Thaler R. Jonathan Thatcher Walter Thirion Douglas Thomson Bruce Tolley Zbigniew Turlej Edward Turner Schelto van Doorn Dono Va
39、n-Mierop Nader Vijeh Greg Wang Peter Wang Jim Welch Willem Wery Bob Williams Joris Wils John Wolcott David Wong Michael Wrigh Chong Ho Yoon Leonard Young Ben Yu Jing-fan Zhang Authorized licensed use limited to: Tsinghua University Library. Downloaded on December 25,2010 at 11:59:55 UTC from IEEE Xp
40、lore. Restrictions apply. viiiCopyright 2008 IEEE. All rights reserved. The following members of the individual balloting committee voted on this standard. Balloters may have voted for approval, disapproval, or abstention. When the IEEE-SA Standards Board approved this standard on 26 September 2008,
41、 it had the following membership: Robert M. Grow, Chair Thomas Prevost, Vice Chair Steve M. Mills, Past Chair Judith Gorman, Secretary *Member Emeritus Also included are the following nonvoting IEEE-SA Standards Board liaisons: Satish K. Aggarwal, NRC Representative Michael H. Kelly, NIST Representa
42、tive Michelle D. Turner IEEE Standards Program Manager, Document Development Michael D. Kipness IEEE Standards Program Manager, Technical Program Development Thomas Alexander Danilo Antonelli Hugh Barrass Michael Bennett Rahul Bhushan Tomo Bogataj Ralf-Peter Braun William Byrd Jeffrey Cain Edward Ca
43、rley James Carlo Juan Carreon Keith Chow Alexander Conta Charles Cook John Dallesasse John Dambrosia Wael William Diab Russell Dietz Thomas Dineen Marc Emmelmann Jose Dominic Espejo Prince Francis Howard M. Frazier Yukihiro Fujimoto Devon Gayle Michael Geipel Sergiu Goma Randall Groves Robert M. Gro
44、w C. Guy Joseph Gwinn John Hawkins Adam Healey Atsushi Ito Raj Jain Tony Jeffree David Johnston Peter Jones Piotr Karocki Stuart J. Kerry Yongbum Kim Paul Kolesar Thomas Kurihara David J. Law Juan L. Lazaro John Lemon William Lumpkins Mark Maloney Peter Martini W. Kyle Maus Brett Mcclellan Jonathon
45、Mclendon John Messenger Jose Morales Joseph Moran Michael S. Newman Nick S. A. Nikjoo Satoshi Obara George Oulundsen, III Maximilian Riegel Jessy V. Rouyer Randall Safier John Sauer Benson Schliesser Marco Scorrano Michael Seaman Thomas Starai Marian Stasney Walter Struppler Alourdes Sully Robert Su
46、ltan Joseph Tardo Michael Johas Teener Geoffrey O. Thompson Oliver Thorp Thomas Tullia Edward J. Turner Mark-Rene Uchida Schelto van Doorn David Willow Michael Wright Takahito Yoshizawa Oren Yuen Paolo Zangheri Victor Berman Richard DeBlasio Andy Drozd Mark Epstein Alexander Gelman William R. Goldba
47、ch Arnold M. Greenspan Kenneth S. Hanus Jim Hughes Richard H. Hulett Young Kyun Kim Joseph L. Koepfinger* John Kulick David J. Law Glenn Parsons Ronald C. Petersen Chuck Powers Narayanan Ramachandran Jon Walter Rosdahl Robby Robson Anne-Marie Sahazizia Malcolm V. Thaden Howard L. Wolfman Don Wright
48、Authorized licensed use limited to: Tsinghua University Library. Downloaded on December 25,2010 at 11:59:55 UTC from IEEE Xplore. Restrictions apply. Copyright 2008 IEEE. All rights reserved.ix List of special symbols For the benefit of those who have received this document by electronic means, what
49、 follows is a list of special symbols and operators. If any of these symbols or operators fail to print out correctly on your machine, the editors apologize, and hope that this table will at least help you to sort out the meaning of the resulting funny-shaped blobs and strokes. Special symbols and operators Printed characterMeaningFont Boolean ANDSymbol +Boolean OR, arithmetic additionSymbol Boolean XORTimes New Roman !Boolean NOTSymbol MultiplicationSymbol Greater thanSymbol Greater than or equal toSymbol =Equal toSymbol Not equal toSymbol Assignment operat