IEEE 802.1Q 2011

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IEEE Standard for Local and metropolitan area networks–Media Access Control (MAC) Bridges and Virtual Bridged Local Area Networks

Published By	Publication Date	Number of Pages
IEEE	2011	1364

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Description

Revision Standard – Active. This standard specifies how the MAC Service is supported by Virtual Bridged Local Area Networks, the principles of operation of those networks, and the operation of VLAN-aware Bridges, including management, protocols, and algorithms. Incorporates IEEE Std 802.1Q-2005, IEEE Std 802.1ad-2005, IEEE Std 802.1ak-2007, IEEE Std 802.1ag-2007, IEEE Std 802.1ah-2008, IEEE Std 802-1Q-2005/Cor-1-2008, IEEE Std 802.1ap-2008, IEEE Std 802.1Qaw-2009, IEEE Std 802.1Qay-2009, IEEE Std 802.1aj-2009, IEEE Std 802.1Qav-2009, IEEE Std Qau-2010, and IEEE Std Qat-2010. The PDF of this standard is available at no cost, compliments of the IEEE 802 group. http://grouper.ieee.org/groups/802/1/

PDF Catalog

PDF Pages	PDF Title
1	Cover
3	Title page
6	Introduction
7	Notice to users Laws and regulations
8	Copyrights Updating of IEEE documents Errata Interpretations Patents
9	Participants
11	Historical participants
16	Contents
36	Figures
41	Tables
45	Important notice 1. Overview
46	1.1 Scope 1.2 Purpose 1.3 Introduction
51	1.4 VLAN aims and benefits
52	2. Normative references
55	3. Definitions
70	4. Abbreviations
74	5. Conformance 5.1 Requirements terminology 5.2 Conformant components and equipment
75	5.3 Protocol Implementation Conformance Statement (PICS) 5.4 VLAN-aware Bridge component requirements
81	5.5 C-VLAN component conformance 5.6 S-VLAN component conformance
82	5.7 I-component conformance
83	5.8 B-component conformance
84	5.9 VLAN Bridge conformance 5.10 Provider Bridge conformance
85	5.11 Backbone Edge Bridge conformance 5.12 VLAN-unaware Bridge component requirements 5.13 TPMR component conformance
86	5.14 TPMR conformance 5.15 T-component conformance
87	5.16 End station requirements for MMRP, MVRP, and MSRP
88	5.17 VLAN-aware end station requirements for Connectivity Fault Management
89	5.18 End station requirements—forwarding and queuing for time-sensitive streams 5.19 End station requirements for congestion notification
90	5.20 MAC-specific bridging methods
91	6. Support of the MAC Service
92	6.1 Basic architectural concepts and terms
95	6.2 Provision of the MAC service
96	6.3 Support of the MAC service
97	6.4 Preservation of the MAC service 6.5 Quality of service maintenance
101	6.6 Internal Sublayer Service
105	6.7 Support of the Internal Sublayer Service by specific MAC procedures
111	6.8 Enhanced Internal Sublayer Service
112	6.9 Support of the EISS
117	6.10 Support of the ISS/EISS by Provider Instance Ports
121	6.11 Support of the EISS by Customer Backbone Ports
124	6.12 Protocol VLAN classification
127	6.13 Support of the ISS for attachment to a Provider Bridged Network
129	6.14 Support of the ISS within a system
130	6.15 Support of the ISS by additional technologies 6.16 Filtering services in Bridged Local Area Networks
134	6.17 EISS Multiplex Entity
135	6.18 Backbone Service Instance Multiplex Entity
138	6.19 TESI Multiplex Entity
139	6.20 Support of the ISS with signaled priority
141	7. Principles of network operation 7.1 Network overview
142	7.2 Use of VLANs
143	7.3 VLAN topology 7.4 Locating end stations
145	7.5 Ingress, forwarding, and egress rules
147	8. Principles of bridge operation 8.1 Bridge operation
150	8.2 Bridge architecture
151	8.3 Model of operation
154	8.4 Active topologies, learning, and forwarding
155	8.5 Bridge Port Transmit and Receive
157	8.6 The Forwarding Process
166	8.7 The Learning Process 8.8 The Filtering Database
181	8.9 MST and ESP configuration information
182	8.10 Spanning Tree Protocol Entity
183	8.11 MRP Entities 8.12 Bridge Management Entity 8.13 Addressing
192	9. Tagged frame format 9.1 Purpose of tagging 9.2 Representation and encoding of tag fields
193	9.3 Tag format 9.4 Tag Protocol Identifier (TPID) formats 9.5 Tag Protocol Identification
194	9.6 VLAN Tag Control Information
195	9.7 Backbone Service Instance Tag Control Information
197	10. Multiple Registration Protocol (MRP) and Multiple MAC Registration Protocol (MMRP) 10.1 MRP overview
200	10.2 MRP architecture
201	10.3 MRP Attribute Propagation (MAP)
203	10.4 Requirements to be met by MRP 10.5 Requirements for interoperability between MRP Participants
205	10.6 Protocol operation
209	10.7 Protocol specification
222	10.8 Structure and encoding of MRP Protocol Data Units
228	10.9 Multiple MAC Registration Protocol (MMRP)—Purpose
229	10.10 Model of operation
232	10.11 Default Group filtering behavior and MMRP propagation
234	10.12 Definition of the MMRP application
239	11. VLAN topology management 11.1 Static and dynamic VLAN configuration
240	11.2 Multiple VLAN Registration Protocol
247	12. Bridge management 12.1 Management functions
248	12.2 VLAN-aware bridge objects
249	12.3 Data types
250	12.4 Bridge Management Entity
253	12.5 MAC entities 12.6 Forwarding process
262	12.7 Filtering Database
267	12.8 Bridge Protocol Entity
274	12.9 MRP Entities
277	12.10 Bridge VLAN managed objects
287	12.11 MMRP entities
288	12.12 MST configuration entities
292	12.13 Provider Bridge management
299	12.14 CFM entities
315	12.15 Backbone Core Bridge management 12.16 Backbone Edge Bridge management
330	12.17 DDCFM entities
340	12.18 PBB-TE Protection Switching managed objects
344	12.19 TPMR managed objects
354	12.20 Management entities for forwarding and queueing for time-sensitive streams
355	12.21 Congestion notification managed objects
359	12.22 SRP entities
363	13. Spanning Tree Protocols
364	13.1 Protocol design requirements
365	13.2 Protocol support requirements 13.3 Protocol design goals
366	13.4 RSTP overview
371	13.5 MSTP overview
376	13.6 Compatibility and interoperability
377	13.7 MST Configuration Identifier
378	13.8 Spanning Tree Priority Vectors
380	13.9 CIST Priority Vector calculations
381	13.10 MST Priority Vector calculations
383	13.11 Port Role assignments
384	13.12 Stable connectivity
385	13.13 Communicating Spanning Tree information
386	13.14 Changing Spanning Tree information
387	13.15 Changing Port States with RSTP or MSTP
391	13.16 Managing spanning tree topologies
393	13.17 Updating learned station location information
394	13.18 Managing reconfiguration
395	13.19 Partial and disputed connectivity 13.20 In-service upgrades
396	13.21 Fragile bridges
397	13.22 Spanning tree protocol state machines
399	13.23 State machine timers
401	13.24 Per bridge variables
403	13.25 Per port variables
412	13.26 State machine conditions and parameters
414	13.27 State machine procedures
423	13.28 The Port Timers state machine 13.29 Port Receive state machine
424	13.30 Port Protocol Migration state machine 13.31 Bridge Detection state machine
425	13.32 Port Transmit state machine
426	13.33 Port Information state machine
427	13.34 Port Role Selection state machine 13.35 Port Role Transitions state machine
431	13.36 Port State Transition state machine
432	13.37 Topology Change state machine
433	13.38 Layer 2 Gateway Port Receive state machine 13.39 Customer Edge Port Spanning Tree operation
435	13.40 Virtual Instance Port Spanning Tree operation
436	14. Use of BPDUs by MSTP 14.1 BPDU Structure 14.2 Encoding of parameter types
438	14.3 BPDU formats and parameters 14.4 Validation of received BPDUs
439	14.5 Transmission of BPDUs
440	14.6 Encoding and decoding of STP Configuration, RST, and MST BPDUs
442	15. Support of the MAC Service by Provider Bridged Networks 15.1 Service transparency
443	15.2 Customer service interfaces 15.3 Port-based service interface
444	15.4 C-tagged service interface
445	15.5 S-tagged service interface
446	15.6 Service instance segregation 15.7 Service instance selection and identification
447	15.8 Service priority selection 15.9 Service access protection
448	15.10 Connectivity Fault Management 15.11 Data-driven and data-dependent connectivity fault management (DDCFM)
449	16. Principles of Provider Bridged Network operation 16.1 Provider Bridged Network overview
450	16.2 Provider Bridged Network
451	16.3 Service instance connectivity
452	16.4 Service provider learning of customer end station addresses 16.5 Detection of connectivity loops through attached networks
453	16.6 Network management
454	17. Management Information Base (MIB) 17.1 Internet Standard Management Framework 17.2 Structure of the MIB
496	17.3 Relationship to other MIBs
505	17.4 Security considerations
516	17.5 Dynamic component and Port creation
525	17.6 MIB operations for service interface configuration
534	17.7 MIB modules
888	18. Principles of Connectivity Fault Management operation
889	18.1 Maintenance Domains and Domain Service Access Points
891	18.2 Service instances and Maintenance Associations
892	18.3 Maintenance Domain Levels
896	19. Connectivity Fault Management Entity operation 19.1 Maintenance Points 19.2 Maintenance association End Point
903	19.3 MIP Half Function
906	19.4 Maintenance Point addressing 19.5 Linktrace Output Multiplexer
907	19.6 Linktrace Responder
909	20. Connectivity Fault Management protocols
910	20.1 Continuity Check protocol
913	20.2 Loopback protocol
915	20.3 Linktrace protocol
918	20.4 Connectivity Fault Management state machines
920	20.5 CFM state machine timers
921	20.6 CFM procedures 20.7 Maintenance Domain variable
922	20.8 Maintenance Association variables 20.9 MEP variables
924	20.10 MEP Continuity Check Initiator variables
925	20.11 MEP Continuity Check Initiator procedures 20.12 MEP Continuity Check Initiator state machine
926	20.13 MHF Continuity Check Receiver variables 20.14 MHF Continuity Check Receiver procedures 20.15 MHF Continuity Check Receiver state machine
927	20.16 MEP Continuity Check Receiver variables
929	20.17 MEP Continuity Check Receiver procedures
930	20.18 MEP Continuity Check Receiver state machine 20.19 Remote MEP variables
932	20.20 Remote MEP state machine 20.21 Remote MEP Error variables
933	20.22 Remote MEP Error state machine 20.23 MEP Cross Connect variables
934	20.24 MEP Cross Connect state machine 20.25 MEP Mismatch variables
935	20.26 MEP Mismatch state machines 20.27 MP Loopback Responder variables
937	20.28 MP Loopback Responder procedures
938	20.29 MP Loopback Responder state machine 20.30 MEP Loopback Initiator variables
939	20.31 MEP Loopback Initiator transmit procedures
940	20.32 MEP Loopback Initiator transmit state machine
941	20.33 MEP Loopback Initiator receive procedures 20.34 MEP Loopback Initiator receive state machine
942	20.35 MEP Fault Notification Generator variables
943	20.36 MEP Fault Notification Generator procedures 20.37 MEP Fault Notification Generator state machine 20.38 MEP Mismatch Fault Notification Generator variables
945	20.39 MEP Mismatch Fault Notification Generator procedures 20.40 MEP Mismatch Fault Notification Generator state machine
946	20.41 MEP Linktrace Initiator variables
948	20.42 MEP Linktrace Initiator procedures
949	20.43 MEP Linktrace Initiator receive variables 20.44 MEP Linktrace Initiator receive procedures 20.45 MEP Linktrace Initiator receive state machine
950	20.46 Linktrace Responder variables 20.47 LTM Receiver procedures
956	20.48 LTM Receiver state machine 20.49 LTR Transmitter procedure
957	20.50 LTR Transmitter state machine
958	20.51 CFM PDU validation and versioning
961	20.52 PDU identification 20.53 Use of transaction IDs and sequence numbers
963	21. Encoding of CFM Protocol Data Units 21.1 Structure, representation, and encoding 21.2 CFM encapsulation
964	21.3 CFM request and indication parameters
965	21.4 Common CFM Header
966	21.5 TLV Format
971	21.6 Continuity Check Message format
976	21.7 Loopback Message and Loopback Reply formats
978	21.8 Linktrace Message Format
980	21.9 Linktrace Reply Format
986	22. Connectivity Fault Management in systems 22.1 CFM shims in Bridges
996	22.2 Maintenance Entity creation
1001	22.3 MPs, Ports, and MD Level assignment 22.4 Stations and Connectivity Fault Management
1002	22.5 Scalability of Connectivity Fault Management
1003	22.6 CFM in Provider Bridges
1005	22.7 Management Port MEPs and CFM in the enterprise environment
1006	22.8 Implementing CFM on existing Bridges
1009	23. MAC status propagation
1010	23.1 Model of operation
1012	23.2 MAC status protocol (MSP) overview
1016	23.3 MAC status protocol state machines
1018	23.4 State machine timers 23.5 MSP performance parameters
1019	23.6 State machine variables
1021	23.7 State machine procedures 23.8 Status Transition state machine 23.9 Status Notification state machine 23.10 Receive Process
1022	23.11 Transmit Process 23.12 Management of MSP
1023	23.13 MSPDU transmission, addressing, and protocol identification
1024	23.14 Representation and encoding of octets 23.15 MSPDU structure
1025	23.16 Validation of received MSPDUs 23.17 Other MSP participants
1026	24.
1027	25. Support of the MAC Service by Provider Backbone Bridged Networks
1029	25.1 Service transparency 25.2 Customer service interface
1030	25.3 Port-based service interface
1031	25.4 S-tagged service interface
1033	25.5 I-tagged service interface
1035	25.6 Service instance segregation 25.7 Service instance selection and identification
1036	25.8 Service priority and drop eligibility selection 25.9 Service access protection
1040	25.10 Support of the MAC Service by a PBB-TE Region
1043	25.11 Transparent service interface
1045	26. Principles of Provider Backbone Bridged Network operation 26.1 Provider Backbone Bridged Network overview
1046	26.2 Provider Backbone Bridged Network example
1048	26.3 Backbone VLAN connectivity
1049	26.4 Backbone addressing
1051	26.5 Detection of connectivity loops through attached networks 26.6 Scaling of Provider Backbone Bridges
1052	26.7 Network Management 26.8 Connectivity Fault Management in Provider Backbone Bridges
1060	26.9 Connectivity Fault Management in a PBB-TE Region
1064	26.10 Protection switching for point-to-point TESIs
1073	26.11 Mismatch defect
1075	27.
1076	28.
1077	29. DDCFM operations and protocols 29.1 Principles of DDCFM operation
1080	29.2 DDCFM Entity operation
1085	29.3 DDCFM protocols
1095	29.4 Encoding of DDCFM Protocol Data Units
1098	30. Principles of congestion notification 30.1 Congestion notification design requirements
1100	30.2 Quantized Congestion Notification protocol
1104	30.3 Congestion Controlled Flow
1105	30.4 Congestion Notification Priority Value 30.5 Congestion Notification Tag 30.6 Congestion Notification Domain
1106	30.7 Multicast data 30.8 Congestion notification and additional tags
1108	31. Congestion notification entity operation 31.1 Congestion aware Bridge Forwarding Process
1109	31.2 Congestion aware end station functions
1115	32. Congestion notification protocol 32.1 Congestion Notification Domain operations
1118	32.2 CN component variables
1119	32.3 Congestion notification per-CNPV variables
1121	32.4 CND defense per-Port per-CNPV variables
1124	32.5 Congestion Notification Domain defense procedures
1125	32.6 Congestion Notification Domain defense state machine 32.7 Congestion notification protocol
1126	32.8 Congestion Point variables
1128	32.9 Congestion Point procedures
1131	32.10 Reaction Point per-Port per-CNPV variables 32.11 Reaction Point group variables
1133	32.12 Reaction Point timer 32.13 Reaction Point variables
1134	32.14 Reaction Point procedures
1136	32.15 RP rate control state machine
1138	32.16 Congestion notification and encapsulation interworking function
1140	33. Encoding of congestion notification Protocol Data Units 33.1 Structure, representation, and encoding 33.2 Congestion Notification Tag format
1141	33.3 Congestion Notification Message
1142	33.4 Congestion Notification Message PDU format
1145	34. Forwarding and queuing for time-sensitive streams 34.1 Overview 34.2 Detection of SRP domains
1146	34.3 The bandwidth availability parameters
1147	34.4 Deriving actual bandwidth requirements from the size of the MSDU
1148	34.5 Mapping priorities to traffic classes for time-sensitive streams
1150	34.6 End station behavior
1152	35. Stream Registration Protocol (SRP)
1153	35.1 Multiple Stream Registration Protocol (MSRP)
1156	35.2 Definition of the MSRP application
1179	Annex A (normative) PICS proforma—Bridge implementations
1229	Annex B (normative) PICS proforma—End station implementations
1241	Annex C (normative) DMN (Designated MSRP Node) Implementations
1258	Annex D (normative) IEEE 802.1 Organizationally Specific TLVs
1302	Annex E (normative) Notational conventions used in state diagrams
1304	Annex F (informative) Shared and Independent VLAN Learning
1313	Annex G (informative) MAC method dependent aspects of VLAN support
1315	Annex H (informative) Interoperability considerations
1323	Annex I (informative) Priority and drop precedence
1331	Annex J (informative) Connectivity Fault Management protocol design and use
1339	Annex K (informative) TPMR use cases
1344	Annex L (informative) Operation of the credit-based shaper algorithm
1361	Annex M (informative) Bibliography

Additional information

Standard Title	IEEE Standard for Local and metropolitan area networks–Media Access Control (MAC) Bridges and Virtual Bridged Local Area Networks
Published Code	IEEE
Publication Date	2011
Pages Count	1364

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