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1、IEEE 802.5v-2001 (Amendment to IEEE Std 802.5, 1998 Edition and IEEE Stds 802.5r and 802.5j, 1998 Edition) IEEE Standards IEEE Standard for Information technology Telecommunications and information exchange between systems Local and metropolitan area networks Specific requirements Part 5: Token Ring
2、 access method and Physical Layer specifications Amendment 5: Gigabit Token Ring operation Published by The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA 16 November 2001 IEEE Computer Society Sponsored by the LAN/MAN Standards Committee IEEE Sta
3、ndards Print: SH94918 PDF: SS94918 This amendment is an approved IEEE Standard. It will be incorporated into the base standard in a future edition. Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=IHS Employees/1111111001, User=Jap
4、an, IHS Not for Resale, 07/30/2008 02:22:39 MDTNo reproduction or networking permitted without license from IHS -,-,- Recognized as an American National Standard (ANSI) The Institute of Electrical and Electronics Engineers, Inc. Three Park Avenue, New York, NY 10016-5997, USA Copyright 2001 by the I
5、nstitute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 14 November 2001. Printed in the United States of America. Print: ISBN 0-7381-2820-1 SH94918 PDF: ISBN 0-7381-2821-X SS94918 No part of this publication may be reproduced in any form, in an electronic retrieval sys
6、tem or otherwise, without the prior written permission of the publisher. IEEE Std 802.5v-2001 (Amendment to ANSI/IEEE Std 802.5, 1998 Edition; ANSI/IEEE Std 802.5r and 802.5j, 1998 Edition) IEEE Standard for Information technology Telecommunications and information exchange between systems Local and
7、 metropolitan area networks Specific requirements Part 5: Token Ring access method and Physical Layer specifications Amendment 5: Gigabit Token Ring operation Sponsor LAN/MAN Standards Committee of the IEEE Computer Society Approved 4 May 2001 IEEE-SA Standards Board Abstract: This amendment specifi
8、es the changes required to IEEE 802.5, 1999 Edition (ISO/IEC 8802-5:1998 base standard), IEEE Stds 802.5r and 802.5j, 1998 Edition (ISO/IEC 8802-5:1998/ Amd. 1:1998), and IEEE Std 802.5t-1999, to support 1000 Mbit/s Dedicated Token Ring (DTR) op- eration. The base standard together with Amendment 1
9、specifies shared and dedicated (point-to- point) Token Ring operation at both 4 and 16 Mbit/s using either the TKP Access Protocol or the TXI Access Protocol. IEEE Std 802.5t-2000 extends Token Ring operation to 100 Mbit/s for the DTR C-Port and Station using the TXI Access Protocol. This standard e
10、xtends Token Ring opera- tion to 1000 Mbit/s for the DTR C-Port and Station using the TXI Access Protocol. Extensions to the Media Access Control have been made to accommodate the requirements for the 1000 Mbit/s me- dia rate. Keywords: Token Ring operation, TKP Access Protocol, TXI Access Protocol,
11、 DTR C-Port and Station Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 07/30/2008 02:22:39 MDTNo reproduction or networking permitted without license from IHS -,-,- IEEE S
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29、its attention. Copyright The Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 07/30/2008 02:22:39 MDTNo reproduction or networking permitted without license from IHS -,-,- Copyright 2001
30、IEEE. All rights reserved.iii Introduction (This introduction is not part of IEEE Std 802.5v-2001, IEEE Standard for Information technologyTelecommunica- tions and information exchange between systemsLocal and metropolitan area networksSpecific requirements Part 5: Token Ring access method and Physi
31、cal Layer specificationsAmendment 5: Gigabit Token Ring operation.) This standard is part of a family of standards for local and metropolitan area networks. The relationship between the standard and other members of the family is shown below. (The numbers in the figures refer to IEEE standard number
32、s.). This family of standards deals with the Physical and Data Link Layers as defined by the International Orga- nization for Standardization (ISO) Open Systems Interconnection Basic Reference Model (ISO/IEC 7498- 1:1994). The access standards define several types of medium access technologies and a
33、ssociated physical media, each appropriate for particular applications or system objectives. Other types are under investigation. The standards defining the technologies noted above are as follows: IEEE Std 8021:Overview and Architecture. This standard provides an overview to the family of IEEE 802
34、Standards. This document forms part of the IEEE 802.1 scope of work. ANSI/IEEE Std 802.1BLAN/MAN Management. Defines an Open Systems and 802.1KInterconnection (OSI) management-compatible architecture, ISO/IEC 15802-2:and services and protocol elements for use in a LAN/MAN environment for performing
35、remote management. ANSI/IEEE Std 802.1DMedium Access Control (MAC) Bridges. Specifies an architec- ture and protocol for the ISO/IEC 15802-3:interconnection of IEEE 802 LANs below the MAC service boundary. ANSI/IEEE Std 802.1ESystem Load Protocol. Specifies a set of services and protocol ISO/IEC 158
36、02-4:for those aspects of management concerned with the loading of systems on IEEE 802 LANs. 1The IEEE 802 Architecture and Overview Specification, originally known as IEEE Std 802.1A, has been renumbered as IEEE Std 802. This has been done to accommodate recognition of the base standard in a family
37、 of standards. References to IEEE Std 802.1A should be considered as references to IEEE Std 802. * Formerly IEEE Std 802.1A. DATA LINK LAYER PHYSICAL 802.2 LOGICAL LINK 802.1 BRIDGING 802.1 MANAGEMENT 802? OVERVIEW Increment Abort error counter; If an uncorrectable Station Error, then request Join F
38、SM to enter Bypass Transmit End of Data Transmit FCS and EFS (TS=STXN) Transmit Normal: TA (TS=STXD) Transmit Frame Data: TB Maximum Frame length exceeds SPV(MAX_TX) Increment Abort error counter Figure 9.2-2Station Transmit FSM Overview Copyright The Institute of Electrical and Electronics Engineer
39、s, Inc. Provided by IHS under license with IEEELicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 07/30/2008 02:22:39 MDTNo reproduction or networking permitted without license from IHS -,-,- IEEE PART 5: TOKEN RING ACCESS METHOD AND PHY LAYER SPECIFICATIONSAMENDMENT 5Std 802.5v-2001
40、 Copyright 2001 IEEE. All rights reserved.9 9.2.1.3 Station Monitor FSM Overview The Station Monitor FSM, shown in Figure 9.2-3, supports the Heart Beat and Hard Error Recovery func- tions. Table 9.2-3 specifies the Monitor FSM. Figure 9.2-3Station Monitor FSM Overview Heart Beat Failure Disable Hea
41、rt Beat Process, Transmit Beacon MAC Frame, Start Internal Test Timer, Start LMT Timer Insert Request Granted Internal Test Timer Expired Remove the Station from the lobe, start internal testing Beacon MAC frame received from SUA Disable Heart Beat Process, Start Internal Test Timer, Start LMT Timer
42、 Beacon MAC Frame received from SUA Start Internal Test Timer, Start LMT Timer Internal Test Timer Expired Remove the Station from the lobe, start internal testing (MS=SOPT) Operational: MA (MS=STBN) Transmit Beacon: MB (MS=SWFD) Wire Fault Delay: MD (MS=SIT) Station Internal Test: MC Copyright The
43、Institute of Electrical and Electronics Engineers, Inc. Provided by IHS under license with IEEELicensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 07/30/2008 02:22:39 MDTNo reproduction or networking permitted without license from IHS -,-,- IEEE Std 802.5v-2001LOCAL AND METROPOLITAN A
44、REA NETWORKS 10Copyright 2001 IEEE. All rights reserved. 9.2.2 SpecificationAbbreviations and Notations The following abbreviations and notations are used in the Station Operational Tables. PMAC Policy Flag Notations FPASO = Flag, C-Port abort sequence option FPMRO = Flag, C-Port media rate option P
45、MAC Protocol Flag Notations FPTX_LTH = Flag, C-Port transmit length FPMR = Flag, C-Port media rate SMAC Policy Flag Notations FSASO = Flag, Station abort sequence option FSECO = Flag, Station error counting option FSHMRTUO = Flag, Station High Media Rate Trade-up option FSLMTO = Flag, Station LMT op
46、tion FSMRO = Flag, Station medium rate option FSOPO = Flag, Station open option FSRDO = Flag, Station registration denied option FSREGO = Flag, Station registration option FSRRO = Flag, Station reject remove option SMAC Station Policy Variables Notations SPV(AP_MASK) = Access Protocol Mask Station P
47、olicy Variable SPV(IAC) = Individual address count Station Polic Variable SPV(MAX_TX) = Maximum octets transmit count Station Policy Variable SPV(PD) = Phantom Drive Station Policy Variable SMAC C-Port Interface Flag Notations FIPTKPS = Flag, Interface C-Port TKP Station Emulation FIPTXIS = Flag, In
48、terface C-Port TXI Station Emulation SMAC Station Counters CSBTX = Counter, Station byte transmitted CSREQ = Counter, Station registration request CSTFQ = Counter, Station TXI frames queued CSLTF = Counter, Station lobe test frames CSRAT = Counter, Station remove alert transmit SMAC Error Counter No
49、tations CSABE = Counter, Station abort error CSBE = Counter, Station burst error CSFE = Counter, Station frequency error CSIE = Counter, Station internal error CSLE = Counter, Station line error CSRCE = Counter, Station receive congestion error SMAC Protocol Flag Notations FSBNT = Flag, Station beacon test FSBPF = Flag, Station bypass