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IEEE P802.1Q REV D2.0 January2014 DRAFT

IEEE P802.1Q REV D2.0 January2014 DRAFT

$312.54

IEEE Draft Standard for Local and metropolitan area networks–Bridges and Bridged Networks

Published By Publication Date Number of Pages
IEEE N/A 1802
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Revision Standard – Unapproved Draft. This standard specifies how the MAC Service is supported by Bridged Networks, the principles of operation of those networks, and the operation of MAC Bridges and VLAN Bridges, including management, protocols, and algorithms.

PDF Catalog

PDF Pages PDF Title
1 P802.1Q-REV/D2.0
17 Contents
49 Figures
56 Tables
62 IMPORTANT NOTICE: This standard is not intended to ensure safety, security, health, or environmental protection. Implementers of the standard are responsible for determining appropriate safety, security, environmental, and health practices or regulat…
1. Overview
1.1 Scope
63 1.2 Purpose
1.3 Introduction
70 2. Normative references
73 3. Definitions
91 4. Abbreviations
96 5. Conformance
5.1 Requirements terminology
5.2 Conformant components and equipment
97 5.3 Protocol Implementation Conformance Statement (PICS)
5.4 VLAN Bridge component requirements
98 5.4.1 VLAN Bridge component options
102 5.4.2 Multiple VLAN Registration Protocol (MVRP) requirements
103 5.4.3 VLAN Bridge requirements for congestion notification
5.4.4 Multiple Stream Registration Protocol (MSRP) requirements
104 5.4.5 Shortest Path Bridging operation (optional)
5.5 C-VLAN component conformance
5.5.1 C-VLAN component options
105 5.6 S-VLAN component conformance
5.6.1 S-VLAN component options
5.6.2 S-VLAN component requirements for PBB-TE
5.6.3 S-VLAN component requirements for PBB-TE IPS
106 5.7 I-component conformance
5.7.1 I-component options
5.8 B-component conformance
107 5.8.1 B-component options
5.8.2 B-component requirements for PBB-TE
5.8.3 B-component requirements for PBB-TE IPS
108 5.9 C-VLAN Bridge conformance
5.9.1 C-VLAN Bridge options
5.10 Provider Bridge conformance
5.10.1 S-VLAN Bridge conformance
5.10.2 Provider Edge Bridge conformance
109 5.11 System requirements for Priority-based Flow Control
5.12 Backbone Edge Bridge conformance
110 5.12.1 Backbone Edge Bridge requirements for PBB-TE
5.13 MAC Bridge component requirements
5.13.1 MAC Bridge component options
111 5.14 MAC Bridge conformance
5.14.1 MAC Bridge options
5.15 TPMR component conformance
5.15.1 TPMR component options
112 5.16 TPMR conformance
5.16.1 TPMR options
5.17 T-component conformance
5.17.1 T-component options
5.18 End station requirements for MMRP, MVRP, and MSRP
113 5.18.1 MMRP requirements and options
5.18.2 MVRP requirements and options
114 5.18.3 MSRP requirements and options
5.19 VLAN-aware end station requirements for Connectivity Fault Management
115 5.20 End station requirements—forwarding and queuing for time-sensitive streams
5.21 End station requirements for congestion notification
116 5.22 MAC-specific bridging methods
5.23 Edge Virtual Bridging (EVB) Bridge requirements
117 5.24 Edge Virtual Bridging (EVB) station requirements
118 5.24.1 Edge relay requirements
120 6. Support of the MAC Service
121 6.1 Basic architectural concepts and terms
6.2 Provision of the MAC service
122 6.2.1 Point-to-point, multipoint-to-multipoint, and rooted-multipoint connectivity
6.3 Support of the MAC service
123 6.4 Preservation of the MAC service
6.5 Quality of service maintenance
6.5.1 Service availability
124 6.5.2 Frame loss
6.5.3 Frame misordering
125 6.5.4 Frame duplication
126 6.5.5 Transit delay
6.5.6 Frame lifetime
127 6.5.7 Undetected frame error rate
6.5.8 Maximum Service Data Unit Size
6.5.9 Priority
128 6.5.10 Throughput
6.6 Internal Sublayer Service
129 6.6.1 Control primitives and parameters
6.7 Support of the Internal Sublayer Service by specific MAC procedures
6.7.1 Support of the Internal Sublayer Service by IEEE Std 802.3 (CSMA/CD)
6.8 Enhanced Internal Sublayer Service
6.8.1 Service primitives
130 6.8.2 Status parameters
6.8.3 Point-to-point parameters
6.8.4 Control primitives and parameters
131 6.9 Support of the EISS
132 6.9.1 Data indications
133 6.9.2 Data requests
6.9.3 Priority Code Point encoding
135 6.9.4 Regenerating priority
136 6.10 Support of the ISS/EISS by Provider Instance Ports
138 6.10.1 Data indications
139 6.10.2 Data requests
140 6.10.3 Priority Code Point encoding
6.11 Support of the EISS by Customer Backbone Ports
141 6.11.1 Data indications
142 6.11.2 Data requests
143 6.11.3 Priority Code Point decoding
6.11.4 Regenerating priority
6.12 Protocol VLAN classification
145 6.12.1 Protocol Templates
146 6.12.2 Protocol Group Identifiers
6.12.3 Protocol Group Database
6.13 Support of the ISS for attachment to a Provider Bridged Network
147 6.13.1 Data requests
148 6.13.2 Data indications
149 6.14 Support of the ISS within a system
6.15 Support of the ISS by additional technologies
6.16 Filtering services in Bridged Networks
6.16.1 Purpose(s) of filtering service provision
150 6.16.2 Goals of filtering service provision
6.16.3 Users of filtering services
6.16.4 Basis of service
6.16.5 Categories of service
151 6.16.6 Service configuration
6.16.7 Service definition for Extended Filtering Services
153 6.17 EISS Multiplex Entity
6.18 Backbone Service Instance Multiplex Entity
155 6.18.1 Demultiplexing direction
156 6.18.2 Multiplexing direction
6.18.3 Priority Code Point encoding
157 6.18.4 Status parameters
6.19 TESI Multiplex Entity
158 6.20 Support of the ISS with signaled priority
159 6.20.1 Data indications
6.20.2 Data requests
6.21 Infrastructure Segment Multiplex Entity
161 7. Principles of Virtual Bridged Network operation
7.1 Network overview
162 7.2 Use of VLANs
7.3 Active topology
163 7.4 VLAN topology
164 7.5 Locating end stations
7.6 Ingress, forwarding, and egress rules
166 8. Principles of Bridge operation
8.1 Bridge operation
8.1.1 Relay
167 8.1.2 Filtering and relaying information
8.1.3 Duplicate frame prevention
8.1.4 Traffic segregation
168 8.1.5 Traffic reduction
8.1.6 Traffic expediting
8.1.7 Conversion of frame formats
169 8.2 Bridge architecture
171 8.3 Model of operation
174 8.4 Active topologies, learning, and forwarding
175 8.5 Bridge Port Transmit and Receive
176 8.5.1 Bridge Port connectivity
177 8.5.2 TPMR Port connectivity
8.5.3 Support of Higher Layer Entities
178 8.6 The Forwarding Process
8.6.1 Active topology enforcement
180 8.6.2 Ingress filtering
8.6.3 Frame filtering
183 8.6.4 Egress filtering
184 8.6.5 Flow classification and metering
8.6.6 Queuing frames
185 8.6.7 Queue management
186 8.6.8 Transmission selection
189 8.7 The Learning Process
8.7.1 Default filtering utility criteria
8.7.2 Enhanced filtering utility criteria
190 8.7.3 Ageing of Dynamic Filtering Entries
8.8 The Filtering Database
194 8.8.1 Static Filtering Entries
195 8.8.2 Static VLAN Registration Entries
8.8.3 Dynamic Filtering Entries
196 8.8.4 MAC Address Registration Entries
197 8.8.5 Dynamic VLAN Registration Entries
8.8.6 Default Group filtering behavior
198 8.8.7 Dynamic Reservation Entries
199 8.8.8 Allocation of VIDs to FIDs
200 8.8.9 Querying the Filtering Database
203 8.8.10 Determination of the member set for a VID
8.8.11 Permanent Database
204 8.8.12 Connection_Identifier
8.9 MST, SPB, and ESP configuration information
205 8.9.1 MST Configuration Table
8.9.2 MST configuration identification
206 8.9.3 FID to MSTI Allocation Table
8.9.4 SPT Configuration Identification
207 8.10 Spanning Tree Protocol Entity
8.11 MRP Entities
8.12 Bridge Management Entity
8.13 Addressing
208 8.13.1 End stations
8.13.2 Bridge Ports
8.13.3 Use of LLC by Spanning Tree Protocol Entities
209 8.13.4 Reserved MAC Addresses
8.13.5 Group MAC Addresses for spanning tree entity
211 8.13.6 Group MAC Addresses for MRP Applications
8.13.7 Bridge Management Entities
8.13.8 Unique identification of a Bridge
212 8.13.9 Points of attachment and connectivity for Higher Layer Entities
215 8.13.10 VLAN attachment and connectivity for Higher Layer Entities
216 8.13.11 Connectivity Fault Management entities
218 9. Tagged frame format
9.1 Purpose of tagging
9.2 Representation and encoding of tag fields
219 9.3 Tag format
9.4 Tag Protocol Identifier (TPID) formats
9.5 Tag Protocol Identification
220 9.6 VLAN Tag Control Information
221 9.7 Backbone Service Instance Tag Control Information
223 10. Multiple Registration Protocol (MRP) and Multiple MAC Registration Protocol (MMRP)
10.1 MRP overview
226 10.2 MRP architecture
227 10.3 MRP Attribute Propagation (MAP)
228 10.3.1 MAP Context
229 10.4 Requirements to be met by MRP
10.5 Requirements for interoperability between MRP Participants
231 10.6 Protocol operation
235 10.7 Protocol specification
236 10.7.1 Notational conventions and abbreviations
237 10.7.2 Registrar Administrative Controls
238 10.7.3 Applicant Administrative Controls
10.7.4 Protocol timers
239 10.7.5 Protocol event definitions
242 10.7.6 Protocol Action definitions
244 10.7.7 Applicant state machine
246 10.7.8 Registrar state machine
10.7.9 LeaveAll state machine
10.7.10 PeriodicTransmission state machine
247 10.7.11 Timer values
248 10.7.12 Operational reporting and statistics
10.7.13 Interoperability considerations
249 10.8 Structure and encoding of MRP Protocol Data Units
10.8.1 Structure
251 10.8.2 Encoding of MRPDU parameters
254 10.8.3 Packing and parsing MRPDUs
256 10.9 Multiple MAC Registration Protocol (MMRP)—Purpose
257 10.10 Model of operation
258 10.10.1 Propagation of Group Membership information
259 10.10.2 Propagation of Group service requirement information
10.10.3 Source pruning
10.10.4 Use of Group service requirement registration by end stations
260 10.11 Default Group filtering behavior and MMRP propagation
261 10.12 Definition of the MMRP application
10.12.1 Definition of MRP elements
264 10.12.2 Provision and support of Extended Filtering Services
265 10.12.3 Use of “new” declaration capability
10.12.4 Attribute value support requirements
267 11. VLAN topology management
11.1 Static and dynamic VLAN configuration
268 11.2 Multiple VLAN Registration Protocol
11.2.1 MVRP overview
270 11.2.2 VLAN registration service definition
271 11.2.3 Definition of the MVRP application
274 11.2.4 VID translation table
11.2.5 Use of “new” declaration capability
11.2.6 New-only Participant and Registrar Administrative Controls
11.2.7 Attribute value support requirements
275 12. Bridge management
12.1 Management functions
12.1.1 Configuration Management
276 12.1.2 Fault Management
12.1.3 Performance Management
12.1.4 Security Management
12.1.5 Accounting Management
12.2 VLAN Bridge objects
277 12.3 Data types
278 12.4 Bridge Management Entity
12.4.1 Bridge Configuration
281 12.4.2 Port configuration
283 12.5 MAC entities
12.5.1 ISS Port Number table managed object (optional)
12.6 Forwarding process
284 12.6.1 The Port Counters
12.6.2 Priority handling
292 12.6.3 Traffic Class Table
293 12.7 Filtering Database
12.7.1 The Filtering Database
294 12.7.2 A Static Filtering Entry
12.7.3 A Dynamic Filtering Entry
295 12.7.4 A MAC Address Registration Entry
12.7.5 A VLAN Registration Entry
12.7.6 Permanent Database
296 12.7.7 General Filtering Database operations
298 12.8 Bridge Protocol Entity
12.8.1 The Protocol Entity
301 12.8.2 Bridge Port
305 12.9 MRP Entities
12.9.1 The MRP Timer object
306 12.9.2 The MRP Attribute Type object
307 12.9.3 Periodic state machine objects
12.10 Bridge VLAN managed objects
308 12.10.1 Bridge VLAN Configuration managed object
313 12.10.2 VLAN Configuration managed object
314 12.10.3 The VID to FID allocation managed object
317 12.11 MMRP entities
12.11.1 MMRP Configuration managed object
318 12.12 MST configuration entities
12.12.1 The MSTI List
320 12.12.2 The FID to MSTID Allocation Table
321 12.12.3 The MST Configuration Table
322 12.13 Provider Bridge management
324 12.13.1 Provider Bridge Port Type managed object
325 12.13.2 Customer Edge Port Configuration managed object
328 12.13.3 Remote Customer Access Port Configuration managed object
330 12.14 CFM entities
12.14.1 Maintenance Domain list managed object
332 12.14.2 CFM Stack managed object
333 12.14.3 Default MD Level managed object
334 12.14.4 Configuration Error List managed object
335 12.14.5 Maintenance Domain managed object
337 12.14.6 Maintenance Association managed object
340 12.14.7 Maintenance association End Point managed object
347 12.15 Backbone Core Bridge management
12.16 Backbone Edge Bridge management
348 12.16.1 BEB configuration managed object
352 12.16.2 BEB/PB/VLAN Bridge Port configuration managed object
353 12.16.3 VIP configuration managed object
354 12.16.4 PIP configuration managed object
360 12.16.5 CBP Configuration managed object
362 12.17 DDCFM entities
12.17.1 DDCFM Stack managed object
363 12.17.2 Reflection Responder managed object
366 12.17.3 RFM Receiver managed object
367 12.17.4 Decapsulator Responder managed object
370 12.17.5 SFM Originator managed object
373 12.18 PBB-TE Protection Switching managed objects
12.18.1 TE protection group list managed object
374 12.18.2 TE protection group managed object
376 12.19 TPMR managed objects
12.19.1 TPMR management entity
378 12.19.2 MAC and PHY entities
379 12.19.3 Forwarding Process
384 12.19.4 MAC status propagation entity
386 12.20 Management entities for forwarding and queueing for time-sensitive streams
12.20.1 The Bandwidth Availability Parameter Table
387 12.20.2 The Transmission Selection Algorithm Table
12.20.3 The Priority Regeneration Override Table
12.21 Congestion notification managed objects
388 12.21.1 CN component managed object
12.21.2 CN component priority managed object
389 12.21.3 CN Port priority managed object
390 12.21.4 Congestion Point managed object
12.21.5 Reaction Point port priority managed object
392 12.21.6 Reaction Point group managed object
12.22 SRP entities
12.22.1 SRP Bridge Base Table
12.22.2 SRP Bridge Port Table
393 12.22.3 SRP Latency Parameter Table
394 12.22.4 SRP Stream Table
12.22.5 SRP Reservations Table
12.23 Priority-based Flow Control objects
395 12.24 1:1 PBB-TE Infrastructure Protection Switching (IPS) managed objects
12.24.1 IPG list managed object
397 12.24.2 IPG managed object
399 12.25 Shortest Path Bridging managed objects
400 12.25.1 The SPB System managed object
402 12.25.2 The SPB MTID Static managed object
404 12.25.3 The SPB Topology Instance Dynamic managed object
12.25.4 The SPB ECT Static Entry managed object
406 12.25.5 The SPB ECT Dynamic Entry managed object
407 12.25.6 The SPB Adjacency Static Entry managed object
408 12.25.7 The SPB Adjacency Dynamic Entry managed object
12.25.8 The SPB Topology Node Table managed object
409 12.25.9 The SPB Topology ECT Table managed object
410 12.25.10 The SPB Topology Edge Table managed object
411 12.25.11 The SPBM Topology Service Table managed object
412 12.25.12 The SPBV Topology Service Table managed object
413 12.26 Edge Virtual Bridging management
416 12.26.1 EVB system base table
418 12.26.2 SBP table entry
419 12.26.3 VSI table entry
422 12.26.4 S-channel configuration and management
425 12.26.5 Edge relay management
426 12.27 Edge Control Protocol management
12.27.1 ECP table entry
427 13. Spanning Tree Protocols
428 13.1 Protocol design requirements
429 13.2 Protocol support requirements
13.2.1 MSTP support requirements
13.2.2 SPB support requirements
430 13.3 Protocol design goals
13.4 RSTP overview
431 13.4.1 Computation of the active topology
432 13.4.2 Example topologies
435 13.5 MSTP overview
436 13.5.1 Example topologies
439 13.5.2 Relationship of MSTP to RSTP
13.5.3 Modeling an MST or SPT Region as a single Bridge
440 13.6 SPB overview
441 13.7 Compatibility and interoperability
13.7.1 Designated Port selection
13.7.2 Force Protocol Version
442 13.8 MST Configuration Identifier
443 13.9 Spanning Tree Priority Vectors
445 13.10 CIST Priority Vector calculations
447 13.11 MST Priority Vector calculations
449 13.12 Port Role assignments
450 13.13 Stable connectivity
451 13.14 Communicating Spanning Tree information
452 13.15 Changing Spanning Tree information
453 13.16 Changing Port States with RSTP or MSTP
454 13.16.1 Subtree connectivity and priority vectors
13.16.2 Root Port transition to Forwarding
13.16.3 Designated Port transition to Forwarding
455 13.16.4 Master Port transition to Forwarding
458 13.17 Changing Port States with SPB
460 13.17.1 Agreement Digest
13.18 Managing spanning tree topologies
462 13.19 Updating learned station location information
464 13.20 Managing reconfiguration
465 13.21 Partial and disputed connectivity
13.22 In-service upgrades
466 13.23 Fragile Bridges
467 13.24 Spanning tree protocol state machines
469 13.25 State machine timers
470 13.25.1 edgeDelayWhile
13.25.2 fdWhile
13.25.3 helloWhen
13.25.4 mdelayWhile
13.25.5 rbWhile
13.25.6 rcvdInfoWhile
471 13.25.7 rrWhile
13.25.8 tcDetected
13.25.9 tcWhile
13.25.10 pseudoInfoHelloWhen
13.26 Per Bridge variables
472 13.26.1 agreementDigest
13.26.2 BridgeIdentifier
13.26.3 BridgePriority
13.26.4 BridgeTimes
473 13.26.5 ForceProtocolVersion
13.26.6 MigrateTime
13.26.7 MstConfigId
13.26.8 AuxMstConfigId
13.26.9 rootPortId
13.26.10 rootPriority
13.26.11 rootTimes
13.26.12 TxHoldCount
13.27 Per port variables
476 13.27.1 AdminEdge
13.27.2 ageingTime
13.27.3 agree
13.27.4 agreed
13.27.5 agreedAbove
13.27.6 agreedDigest
13.27.7 agreedDigestValid
13.27.8 agreeDigest
13.27.9 agreeDigestValid
13.27.10 agreedMisorder
477 13.27.11 agreedN
13.27.12 agreedND
13.27.13 agreedPriority
13.27.14 agreedTopology
13.27.15 agreementOutstanding
13.27.16 agreeN
13.27.17 agreeND
13.27.18 AutoEdge
13.27.19 AutoIsolate
478 13.27.20 designatedPriority
13.27.21 designatedTimes
13.27.22 disputed
13.27.23 enableBPDUrx
13.27.24 enableBPDUtx
13.27.25 ExternalPortPathCost
13.27.26 isL2gp
13.27.27 isolate
479 13.27.28 fdbFlush
13.27.29 forward
13.27.30 forwarding
13.27.31 infoInternal
13.27.32 infoIs
13.27.33 InternalPortPathCost
480 13.27.34 learn
13.27.35 learning
13.27.36 master
13.27.37 mastered
13.27.38 mcheck
13.27.39 msgPriority
13.27.40 msgTimes
481 13.27.41 neighbourPriority
13.27.42 newInfo
13.27.43 newInfoMsti
13.27.44 operEdge
13.27.45 portEnabled
13.27.46 portId
13.27.47 portPriority
482 13.27.48 portTimes
13.27.49 proposed
13.27.50 proposing
13.27.51 pseudoRootId
13.27.52 rcvdBPDU
13.27.53 rcvdInfo
13.27.54 rcvdInternal
13.27.55 rcvdMsg
13.27.56 rcvdRSTP
13.27.57 rcvdSTP
13.27.58 rcvdTc
13.27.59 rcvdTcAck
483 13.27.60 rcvdTcn
13.27.61 reRoot
13.27.62 reselect
13.27.63 restrictedDomainRole
13.27.64 restrictedRole
13.27.65 restrictedTcn
13.27.66 role
13.27.67 selected
13.27.68 selectedRole
484 13.27.69 sendRSTP
13.27.70 sync
13.27.71 synced
13.27.72 tcAck
13.27.73 tcProp
13.27.74 tick
13.27.75 txCount
13.27.76 updtInfo
13.28 State machine conditions and parameters
485 13.28.1 allSptAgree
13.28.2 allSynced
13.28.3 allTransmitReady
13.28.4 BestAgreementPriority
13.28.5 cist
13.28.6 cistRootPort
486 13.28.7 cistDesignatedPort
13.28.8 EdgeDelay
13.28.9 forwardDelay
13.28.10 FwdDelay
13.28.11 HelloTime
13.28.12 MaxAge
13.28.13 msti
13.28.14 mstiDesignatedOrTCpropagatingRootPort
13.28.15 mstiMasterPort
13.28.16 operPointToPoint
13.28.17 rcvdAnyMsg
13.28.18 rcvdCistMsg
487 13.28.19 rcvdMstiMsg
13.28.20 reRooted
13.28.21 rstpVersion
13.28.22 spt
13.28.23 stpVersion
13.28.24 updtCistInfo
13.28.25 updtMstiInfo
13.29 State machine procedures
488 13.29.1 betterorsameInfo(newInfoIs)
13.29.2 clearAllRcvdMsgs()
13.29.3 clearReselectTree()
489 13.29.4 disableForwarding()
13.29.5 disableLearning()
13.29.6 enableForwarding()
13.29.7 enableLearning()
13.29.8 fromSameRegion()
13.29.9 newTcDetected()
13.29.10 newTcWhile()
490 13.29.11 pseudoRcvMsgs()
13.29.12 rcvInfo()
491 13.29.13 rcvMsgs()
13.29.14 rcvAgreements()
13.29.15 recordAgreement()
492 13.29.16 recordDispute()
13.29.17 recordMastered()
13.29.18 recordPriority()
13.29.19 recordProposal()
13.29.20 recordTimes()
493 13.29.21 setReRootTree()
13.29.22 setSelectedTree()
13.29.23 setSyncTree()
13.29.24 setTcFlags()
13.29.25 setTcPropTree()
13.29.26 syncMaster()
13.29.27 txConfig()
494 13.29.28 txRstp()
13.29.29 txTcn()
13.29.30 updtAgreement()
495 13.29.31 updtBPDUVersion()
13.29.32 updtDigest()
496 13.29.33 updtRcvdInfoWhile()
497 13.29.34 updtRolesTree()
498 13.29.35 uptRolesDisabledTree()
13.30 The Port Timers state machine
499 13.31 Port Receive state machine
500 13.32 Port Protocol Migration state machine
13.33 Bridge Detection state machine
13.34 Port Transmit state machine
502 13.35 Port Information state machine
503 13.36 Port Role Selection state machine
13.37 Port Role Transitions state machine
507 13.38 Port State Transition state machine
13.38.1 Port State transitions for the CIST and MSTIs
13.38.2 Port State transitions for SPTs
509 13.39 Topology Change state machine
510 13.40 Layer 2 Gateway Port Receive state machine
13.41 Customer Edge Port Spanning Tree operation
13.41.1 Provider Edge Port operPointToPointMAC and operEdge
511 13.41.2 updtRolesTree()
13.41.3 setReRootTree(), setSyncTree(), setTcPropTree()
13.41.4 allSynced, reRooted
13.41.5 Configuration parameters
512 13.42 Virtual Instance Port Spanning Tree operation
513 14. Encoding of Bridge Protocol Data Units (BPDUs)
14.1 BPDU Structure
14.1.1 Transmission and representation of octets
515 14.1.2 Common BPDU fields
14.2 Encoding of parameter types
14.2.1 Encoding of Protocol Identifiers
14.2.2 Encoding of Protocol Version Identifiers
14.2.3 Encoding of BPDU types
14.2.4 Encoding of flags
14.2.5 Encoding of Bridge Identifiers
516 14.2.6 Encoding of External Root Path Cost and Internal Root Path Cost
14.2.7 Encoding of Port Identifiers
517 14.2.8 Encoding of Timer Values
14.2.9 Encoding of Port Role values
14.2.10 Encoding of Length Values
14.2.11 Encoding of Hop Counts
14.3 Transmission of BPDUs
518 14.4 Encoding and decoding of STP Configuration, RST, MST, and SPT BPDUs
519 14.4.1 MSTI Configuration Messages
520 14.5 Validation of received BPDUs
521 14.6 Validation and interoperability
523 15. Support of the MAC Service by Provider Bridged Networks
15.1 Service transparency
524 15.2 Customer service interfaces
15.3 Port-based service interface
525 15.4 C-tagged service interface
526 15.5 S-tagged service interface
527 15.6 Remote customer service interfaces
530 15.7 Service instance segregation
15.8 Service instance selection and identification
531 15.9 Service priority selection
532 15.10 Service access protection
533 16. Principles of Provider Bridged Network operation
16.1 Provider Bridged Network overview
534 16.2 Provider Bridged Network
537 16.3 Service instance connectivity
538 16.4 Service provider learning of customer end station addresses
16.5 Detection of connectivity loops through attached networks
539 16.6 Network management
540 17. Management Information Base (MIB)
17.1 Internet Standard Management Framework
17.2 Structure of the MIB
541 17.2.1 Structure of the IEEE8021-TC-MIB
543 17.2.2 Structure of the IEEE8021-BRIDGE-MIB
548 17.2.3 Structure of the IEEE8021-SPANNING-TREE MIB
550 17.2.4 Structure of the IEEE8021-Q-BRIDGE-MIB
557 17.2.5 Structure of the IEEE8021-PB-MIB
17.2.6 Structure of the IEEE8021-MSTP-MIB
562 17.2.7 Structure of the IEEE8021-CFM-MIB
568 17.2.8 Structure of the IEEE8021-PBB-MIB
571 17.2.9 Structure of the IEEE8021-DDCFM-MIBs
573 17.2.10 Structure of the IEEE8021-PBBTE-MIB
576 17.2.11 Structure of the TPMR MIB
578 17.2.12 Structure of the IEEE8021-FQTSS-MIB
579 17.2.13 Structure of the Congestion Notification MIB
581 17.2.14 Structure of the IEEE8021-SRP-MIB
583 17.2.15 Structure of the MVRP extension MIB
17.2.16 Structure of the MIRP MIB
584 17.2.17 Structure of the Priority-based Flow Control MIB
17.2.18 Structure of the IEEE80221-TEIPS MIB
586 17.2.19 Structure of the IEEE8021-SPB-MIB
590 17.2.20 Structure of the IEEE8021-EVB-MIB
593 17.3 Relationship to other MIBs
17.3.1 Relationship of the IEEE8021-TC-MIB to other MIB modules
594 17.3.2 Relationship of the IEEE8021-BRIDGE-MIB to other MIB modules
596 17.3.3 Relationship of the IEEE8021-RSTP MIB to other MIB modules
17.3.4 Relationship of the IEEE8021-Q-BRIDGE-MIB to other MIB modules
598 17.3.5 Relationship of the IEEE8021-PB-BRIDGE MIB to other MIB modules
17.3.6 Relationship of the IEEE8021-MSTP-MIB to other MIB modules
17.3.7 Relationship of the IEEE8021-CFM-MIB to other MIB modules
599 17.3.8 Relationship of the IEEE8021-PBB-MIB to other MIB modules
601 17.3.9 Relationship of the IEEE8021-DDCFM to other MIB modules
17.3.10 Relationship of the IEEE8021-PBBTE-MIB to other MIB modules
17.3.11 Relationship of the TPMR MIB to other MIB modules
602 17.3.12 Relationship of the IEEE8021-FQTSS-MIB to other MIB modules
17.3.13 Relationship of the IEEE802-CN-MIB to other MIB modules
17.3.14 Relationship of the IEEE8021-SRP-MIB to other MIB modules
603 17.3.15 Relationship of the IEEE8021-MVRPX-MIB to other MIB modules
17.3.16 Relationship of the IEEE8021-MIRP-MIB to other MIB modules
17.3.17 Relationship of the Priority-based Flow Control MIB to other MIB modules
17.3.18 Relationship of the IEEE8021-TEIPS-MIB to other MIB modules
17.3.19 Relationship of the of the IEEE8021-SPB-MIB to other MIB modules
17.3.20 Relationship of the IEEE8021-EVB-MIB to other MIB modules
604 17.4 Security considerations
17.4.1 Security considerations of the IEEE8021-TC-MIB
17.4.2 Security considerations of the IEEE8021-BRIDGE-MIB
605 17.4.3 Security considerations of the IEEE8021-SPANNING-TREE MIB
606 17.4.4 Security considerations of the IEEE8021-Q-BRIDGE-MIB
607 17.4.5 Security considerations of the IEEE8021-PB-MIB
17.4.6 Security considerations of the IEEE8021-MSTP-MIB
17.4.7 Security considerations of the IEEE8021-CFM-MIB
609 17.4.8 Security considerations of the IEEE8021-PBB-MIB
610 17.4.9 Security considerations of the IEEE8021-DDCFM-MIB
17.4.10 Security considerations of the IEEE8021-PBBTE-MIB
611 17.4.11 Security considerations of the TPMR MIB
612 17.4.12 Security considerations of the IEEE8021-FQTSS-MIB
613 17.4.13 Security considerations of the Congestion Notification MIB
614 17.4.14 Security considerations of the IEEE8021-SRP-MIB
615 17.4.15 Security considerations of the IEEE8021-MVRPX-MIB
17.4.16 Security considerations of the IEEE8021-MIRP-MIB
17.4.17 Security considerations for the Priority-based Flow Control MIB
616 17.4.18 Security considerations of the IEEE8021-TEIPS-MIB
17.4.19 Security considerations of the IEEE8021-SPB-MIB
617 17.4.20 Security considerations of the IEEE8021-EVB-MIB
618 17.5 Dynamic component and Port creation
17.5.1 Overview of the dynamically created Bridge entities
619 17.5.2 Component creation
621 17.5.3 Port creation
630 17.6 MIB operations for service interface configuration
631 17.6.1 Provisioning Provider Bridged Network service interfaces
634 17.6.2 Provisioning Backbone Bridged Network service interfaces
640 17.7 MIB modules
17.7.1 Definitions for the IEEE8021-TC-MIB module
651 17.7.2 Definitions for the IEEE8021-BRIDGE-MIB module
691 17.7.3 Definitions for the IEEE8021-SPANNING-TREE-MIB module
709 17.7.4 Definitions for the IEEE8021-Q-BRIDGE-MIB module
755 17.7.5 Definitions for the IEEE8021-PB-MIB module
773 17.7.6 Definitions for the IEEE8021-MSTP-MIB module
802 17.7.7 Definitions for the CFM MIB modules
886 17.7.8 Definitions for the IEEE8021-PBB-MIB module
909 17.7.9 Definitions for the IEEE8021-DDCFM-MIB module
927 17.7.10 Definitions for the IEEE8021-PBBTE-MIB module
944 17.7.11 Definitions for the IEEE8021-TPMR-MIB module
958 17.7.12 Definitions for the IEEE8021-FQTSS-MIB module
969 17.7.13 Definitions for the IEEE8021-CN-MIB module
1006 17.7.14 Definitions for the IEEE8021-SRP-MIB module
1022 17.7.15 Definitions for the IEEE8021-MVRPX-MIB module
1027 17.7.16 Definitions for the IEEE8021-MIRP-MIB module
1033 17.7.17 Definitions for the IEEE8021-PFC-MIB module
1037 17.7.18 Definitions for the IEEE8021-TEIPS-V2-MIB module
1052 17.7.19 Definitions for the IEEE8021-SPB-MIB module
1084 17.7.20 Definitions for the IEEE8021-EVB-MIB module
1114 18. Principles of Connectivity Fault Management operation
1115 18.1 Maintenance Domains and Domain Service Access Points
1117 18.2 Service instances and Maintenance Associations
1118 18.3 Maintenance Domain Levels
1122 19. Connectivity Fault Management Entity operation
19.1 Maintenance Points
19.2 Maintenance association End Point
1123 19.2.1 MEP identification
1124 19.2.2 MEP functions
19.2.3 MEP architecture
19.2.4 MP Type Demultiplexer
1126 19.2.5 MP Multiplexer
19.2.6 MP Level Demultiplexer
19.2.7 MP OpCode Demultiplexer
19.2.8 MEP Continuity Check Receiver
1127 19.2.9 MEP Continuity Check Initiator
19.2.10 MP Loopback Responder
19.2.11 MEP Loopback Initiator
19.2.12 MEP Linktrace Initiator
1128 19.2.13 MEP LTI SAP
19.2.14 MEP Linktrace SAP
19.2.15 MEP CCM Database
19.2.16 MEP Fault Notification Generator
19.2.17 MEP Decapsulator Responder
19.2.18 MEP RFM Receiver
1129 19.3 MIP Half Function
19.3.1 MHF identification
19.3.2 MHF functions
1130 19.3.3 MHF architecture
19.3.4 MHF Level Demultiplexer
19.3.5 MHF Type Demultiplexer
1131 19.3.6 MHF OpCode Demultiplexer
19.3.7 MHF Multiplexer
19.3.8 MHF Loopback Responder
19.3.9 MHF Continuity Check Receiver
19.3.10 MIP CCM Database
19.3.11 MHF Linktrace SAP
19.3.12 MHF Decapsulator Responder
19.3.13 MHF RFM Receiver
19.4 Maintenance Point addressing
1132 19.5 Linktrace Output Multiplexer
1133 19.6 Linktrace Responder
1135 20. Connectivity Fault Management protocols
1136 20.1 Continuity Check protocol
1137 20.1.1 MAC status reporting in the CCM
1138 20.1.2 Defects and Fault Alarms
20.1.3 CCM reception
1139 20.2 Loopback protocol
20.2.1 Loopback Message transmission
1140 20.2.2 Loopback Message reception and Loopback Reply transmission
1141 20.2.3 Loopback Reply reception
20.3 Linktrace protocol
1142 20.3.1 Linktrace Message origination
20.3.2 Linktrace Message reception, forwarding, and replying
1144 20.3.3 Linktrace Reply reception
1145 20.4 Connectivity Fault Management state machines
20.5 CFM state machine timers
20.5.1 LTFwhile
20.5.2 CCIwhile
20.5.3 errorCCMwhile
1146 20.5.4 xconCCMwhile
1147 20.5.5 LBIwhile
20.5.6 FNGwhile
20.5.7 mmCCMwhile
20.5.8 mmLocwhile
20.5.9 mmFNGwhile
20.5.10 rMEPwhile
20.6 CFM procedures
20.6.1 CCMtime()
1148 20.7 Maintenance Domain variable
20.7.1 mdLevel
20.8 Maintenance Association variables
20.8.1 CCMinterval
20.9 MEP variables
20.9.1 MEPactive
1149 20.9.2 enableRmepDefect
20.9.3 MAdefectIndication
20.9.4 allRMEPsDead
1150 20.9.5 lowestAlarmPri
20.9.6 presentRDI
20.9.7 MEPprimaryVID
20.9.8 presentTraffic
20.9.9 presentmmLoc
20.9.10 ISpresentTraffic
20.9.11 ISpresentmmLoc
20.10 MEP Continuity Check Initiator variables
1151 20.10.1 CCIenabled
20.10.2 CCIsentCCMs
20.10.3 MACstatusChanged
20.11 MEP Continuity Check Initiator procedures
20.11.1 xmitCCM()
1152 20.12 MEP Continuity Check Initiator state machine
20.13 MHF Continuity Check Receiver variables
20.13.1 MHFrecvdCCM
20.13.2 MHFCCMPDU
1153 20.14 MHF Continuity Check Receiver procedures
20.14.1 MHFprocessCCM()
20.15 MHF Continuity Check Receiver state machine
1154 20.16 MEP Continuity Check Receiver variables
20.16.1 CCMreceivedEqual
20.16.2 CCMequalPDU
1155 20.16.3 CCMreceivedLow
20.16.4 CCMlowPDU
20.16.5 recvdMacAddress
20.16.6 recvdRDI
20.16.7 recvdInterval
20.16.8 recvdPortState
20.16.9 recvdInterfaceStatus
20.16.10 recvdSenderId
20.16.11 recvdFrame
20.16.12 CCMsequenceErrors
1156 20.16.13 rcvdTrafficBit
20.17 MEP Continuity Check Receiver procedures
20.17.1 MEPprocessEqualCCM()
1157 20.17.2 MEPprocessLowCCM()
20.18 MEP Continuity Check Receiver state machine
20.19 Remote MEP variables
1158 20.19.1 rMEPCCMdefect
20.19.2 rMEPlastRDI
20.19.3 rMEPlastPortState
20.19.4 rMEPlastInterfaceStatus
20.19.5 rMEPlastSenderId
20.19.6 rCCMreceived
20.19.7 rMEPmacAddress
20.19.8 rMEPportStatusDefect
1159 20.19.9 rMEPinterfaceStatusDefect
20.20 Remote MEP state machine
20.21 Remote MEP Error variables
1160 20.21.1 errorCCMreceived
20.21.2 errorCCMlastFailure
20.21.3 errorCCMdefect
20.22 Remote MEP Error state machine
20.23 MEP Cross Connect variables
1161 20.23.1 xconCCMreceived
20.23.2 xconCCMlastFailure
20.23.3 xconCCMdefect
20.24 MEP Cross Connect state machine
20.25 MEP Mismatch variables
1162 20.25.1 mmCCMreceived
20.25.2 mmCCMdefect
20.25.3 mmCCMTime
20.25.4 disableLocdefect
20.25.5 mmLocdefect
20.26 MEP Mismatch state machines
20.27 MP Loopback Responder variables
1163 20.27.1 LBMreceived
1164 20.27.2 LBMPDU
20.28 MP Loopback Responder procedures
20.28.1 ProcessLBM()
20.28.2 xmitLBR()
1165 20.29 MP Loopback Responder state machine
20.30 MEP Loopback Initiator variables
1166 20.30.1 LBMsToSend
20.30.2 nextLBMtransID
20.30.3 expectedLBRtransID
20.30.4 LBIactive
20.30.5 xmitReady
20.30.6 LBRreceived
20.30.7 LBRPDU
20.31 MEP Loopback Initiator transmit procedures
20.31.1 xmitLBM()
1167 20.32 MEP Loopback Initiator transmit state machine
20.33 MEP Loopback Initiator receive procedures
20.33.1 ProcessLBR()
1168 20.34 MEP Loopback Initiator receive state machine
20.35 MEP Fault Notification Generator variables
1169 20.35.1 fngPriority
20.35.2 fngDefect
20.35.3 fngAlarmTime
20.35.4 fngResetTime
20.35.5 someRMEPCCMdefect
1170 20.35.6 someMACstatusDefect
20.35.7 someRDIdefect
20.35.8 highestDefectPri
20.35.9 highestDefect
20.36 MEP Fault Notification Generator procedures
20.36.1 xmitFaultAlarm()
20.37 MEP Fault Notification Generator state machine
1171 20.38 MEP Mismatch Fault Notification Generator variables
20.38.1 mfngAllowed
20.38.2 mmdefectIndication
1172 20.38.3 mfngAlarmTime
20.38.4 mfngResetTime
20.39 MEP Mismatch Fault Notification Generator procedures
20.39.1 xmitFaultAlarm()
20.40 MEP Mismatch Fault Notification Generator state machine
20.41 MEP Linktrace Initiator variables
20.41.1 nextLTMtransID
20.41.2 ltmReplyList
1175 20.42 MEP Linktrace Initiator procedures
20.42.1 xmitLTM()
1176 20.43 MEP Linktrace Initiator receive variables
20.43.1 LTRreceived
20.43.2 LTRPDU
20.44 MEP Linktrace Initiator receive procedures
20.44.1 ProcessLTR()
1177 20.45 MEP Linktrace Initiator receive state machine
20.46 Linktrace Responder variables
20.46.1 nPendingLTRs
20.46.2 LTMreceived
20.46.3 LTMPDU
1178 20.47 LTM Receiver procedures
20.47.1 ProcessLTM()
1182 20.47.2 clearPendingLTRs()
20.47.3 ForwardLTM()
20.47.4 enqueLTR()
1184 20.48 LTM Receiver state machine
20.49 LTR Transmitter procedure
20.49.1 xmitOldestLTR()
20.50 LTR Transmitter state machine
1185 20.51 CFM PDU validation and versioning
20.51.1 Goals of CFM PDU versioning
20.51.2 PDU transmission
1186 20.51.3 PDU validation
20.51.4 Validation pass
1187 20.51.5 Execution pass
1188 20.51.6 Future extensions
20.52 PDU identification
1189 20.53 Use of transaction IDs and sequence numbers
1190 21. Encoding of CFM Protocol Data Units
21.1 Structure, representation, and encoding
21.2 CFM encapsulation
1191 21.3 CFM request and indication parameters
21.3.1 destination_address parameter
21.3.2 source_address parameter
1192 21.4 Common CFM Header
21.4.1 MD Level
21.4.2 Version
21.4.3 OpCode
21.4.4 Flags
21.4.5 First TLV Offset
1193 21.5 TLV Format
21.5.1 General format for CFM TLVs
1194 21.5.2 Organization-Specific TLV
1195 21.5.3 Sender ID TLV
1196 21.5.4 Port Status TLV
1197 21.5.5 Interface Status TLV
1198 21.5.6 Data TLV
21.5.7 End TLV
21.6 Continuity Check Message format
1199 21.6.1 Flags
1200 21.6.2 First TLV Offset
21.6.3 Sequence Number
21.6.4 Maintenance association End Point Identifier
21.6.5 Maintenance Association Identifier
1203 21.6.6 Defined by ITU-T Y.1731 (02/2008)
21.6.7 Optional CCM TLVs
21.7 Loopback Message and Loopback Reply formats
21.7.1 Flags
1204 21.7.2 First TLV Offset
21.7.3 Loopback Transaction Identifier
21.7.4 Additional LBM/LBR TLVs
21.7.5 PBB-TE MIP TLV
1205 21.8 Linktrace Message Format
21.8.1 Flags
1206 21.8.2 First TLV Offset
21.8.3 LTM Transaction Identifier
21.8.4 LTM TTL
21.8.5 Original MAC Address
21.8.6 Target MAC Address
21.8.7 Additional LTM TLVs
1207 21.8.8 LTM Egress Identifier TLV
21.9 Linktrace Reply Format
1208 21.9.1 Flags
21.9.2 First TLV Offset
21.9.3 LTR Transaction Identifier
21.9.4 Reply TTL
21.9.5 Relay Action
1209 21.9.6 Additional LTR TLVs
21.9.7 LTR Egress Identifier TLV
21.9.8 Reply Ingress TLV
1211 21.9.9 Reply Egress TLV
1213 22. Connectivity Fault Management in systems
22.1 CFM shims in Bridges
22.1.1 Preliminary positioning of Maintenance Points
1214 22.1.2 CFM and the Forwarding Process
1216 22.1.3 Up/Down separation of Maintenance Points
1218 22.1.4 Service instances over multiple Bridges
1220 22.1.5 Multiple VID service instances
22.1.6 Untagged CFM PDUs
22.1.7 Maintenance Points and non-VLAN aware Bridges
22.1.8 Maintenance Points and other standards
1223 22.1.9 CFM and IEEE 802.3-2012 Clause 57 OAM
22.2 Maintenance Entity creation
1224 22.2.1 Creating Maintenance Domains and Maintenance Associations
22.2.2 Creating MEPs
1226 22.2.3 Creating MIPs
1227 22.2.4 CFM configuration errors
1228 22.3 MPs, Ports, and MD Level assignment
22.4 Stations and Connectivity Fault Management
1229 22.5 Scalability of Connectivity Fault Management
1230 22.6 CFM in Provider Bridges
22.6.1 Maintenance Points and C-VLAN components
1231 22.6.2 Maintenance C-VLAN on a Port-based service interface
1232 22.6.3 Maintenance C-VLAN on a C-tagged service interface
22.6.4 Maintenance Points and Port-mapping S-VLAN components
1233 22.7 Management Port MEPs and CFM in the enterprise environment
1235 22.8 Implementing CFM on Bridges that implement earlier revisions of IEEE Std 802.1Q
1237 23. MAC status propagation
1238 23.1 Model of operation
1239 23.1.1 MAC Status Shim
1240 23.1.2 Relationship of Connectivity Fault Management to the MAC Status Shim
23.2 MAC status protocol (MSP) overview
1244 23.3 MAC status protocol state machines
1246 23.4 State machine timers
23.4.1 linkNotifyWhen
23.4.2 linkNotifyWhile
23.4.3 macNotifyWhile
23.4.4 macRecoverWhile
23.5 MSP performance parameters
23.5.1 LinkNotify
1247 23.5.2 LinkNotifyWait
23.5.3 LinkNotifyRetry
23.5.4 MACNotify
23.5.5 MACNotifyTime
23.5.6 MACRecoverTime
23.6 State machine variables
23.6.1 BEGIN
23.6.2 addConfirmed
23.6.3 disableMAC
23.6.4 disabledMAC
23.6.5 disableMSS
23.6.6 lossConfirmed
1248 23.6.7 macOperational
23.6.8 mssOperational
23.6.9 prop
23.6.10 rxAck
23.6.11 rxAdd
23.6.12 rxAddConfirm
23.6.13 rxLoss
23.6.14 rxLossConfirm
23.6.15 txAck
23.6.16 txAdd
23.6.17 txAddConfirm
23.6.18 txLoss
1249 23.6.19 txLossConfirm
23.7 State machine procedures
23.8 Status Transition state machine
23.9 Status Notification state machine
23.10 Receive Process
1250 23.11 Transmit Process
23.12 Management of MSP
1251 23.13 MSPDU transmission, addressing, and protocol identification
23.13.1 Destination MAC Address
23.13.2 Source MAC Address
23.13.3 Priority
1252 23.13.4 EtherType use and encoding
23.14 Representation and encoding of octets
23.15 MSPDU structure
23.15.1 Protocol Version
1253 23.15.2 Packet Type
23.16 Validation of received MSPDUs
23.17 Other MSP participants
1254 24. Bridge performance
24.1 Guaranteed Port Filtering Rate
24.2 Guaranteed Bridge Relaying Rate
24.3 RSTP performance requirements
1256 25. Support of the MAC Service by Provider Backbone Bridged Networks
1258 25.1 Service transparency
25.2 Customer service interface
1259 25.3 Port-based service interface
1260 25.4 S-tagged service interface
1262 25.5 I-tagged service interface
1264 25.6 Service instance segregation
25.7 Service instance selection and identification
1265 25.8 Service priority and drop eligibility selection
25.9 Service access protection
1267 25.9.1 Class II redundant LANs access protection
1268 25.9.2 Class III simple redundant LANs and nodes access protection
1269 25.10 Support of the MAC Service by a PBB-TE Region
1270 25.10.1 Provisioning TESIs
1271 25.10.2 ESP forwarding behavior
1272 25.11 Transparent service interface
1274 26. Principles of Provider Backbone Bridged Network operation
26.1 Provider Backbone Bridged Network overview
1275 26.2 Provider Backbone Bridged Network example
1277 26.3 Backbone VLAN connectivity
1278 26.4 Backbone addressing
26.4.1 Learning individual backbone addresses at a PIP
1279 26.4.2 Translating backbone destination addresses at a CBP
26.4.3 Backbone addressing considerations for CFM Maintenance Points
1280 26.5 Detection of connectivity loops through attached networks
26.6 Scaling of Provider Backbone Bridges
26.6.1 Hierarchal PBBNs
1281 26.6.2 Peer PBBNs
26.7 Network Management
26.8 Connectivity Fault Management in Provider Backbone Bridges
1287 26.8.1 CFM over Port-based and S-tagged Service Interfaces
1288 26.8.2 Connectivity Fault Management over I-tagged Service Interfaces
26.8.3 Connectivity Fault Management over hierarchal E-NNI
26.8.4 Connectivity Fault Management over peer E-NNI
1289 26.9 Connectivity Fault Management in a PBB-TE Region
26.9.1 Addressing PBB-TE MEPs
26.9.2 TESI identification
1290 26.9.3 PBB-TE MEP placement in a Bridge Port
26.9.4 PBB-TE MIP placement in a Bridge Port
26.9.5 TESI Maintenance Domains
1291 26.9.6 PBB-TE enhancements of the CFM protocols
1293 26.9.7 Addressing Infrastructure Segment MEPs
26.9.8 Infrastructure Segment identification
1294 26.9.9 Infrastructure Segment MEP placement in a Bridge Port
26.9.10 Infrastructure Segment Maintenance Domains
26.9.11 IPS extensions to Continuity Check operation
1296 26.10 Protection switching for point-to-point TESIs
26.10.1 Introduction
1297 26.10.2 1:1 point-to-point TESI protection switching
1299 26.10.3 Protection Switching state machines
1305 26.11 Infrastructure Protection Switching in PBB-TE Region
1306 26.11.1 Infrastructure Segment monitoring
1307 26.11.2 1:1 IPS
1310 26.11.3 IPS Control entity
1311 26.11.4 1:1 IPS state machines
26.11.5 M:1 IPS
1317 26.12 Mismatch defect
1318 26.13 Signaling VLAN registrations among I-components
1319 27. Shortest Path Bridging (SPB)
1321 27.1 Protocol design requirements
1322 27.2 Protocol support
27.3 Protocol design goals
27.4 ISIS-SPB VLAN configuration
1323 27.4.1 SPT Region and ISIS-SPB adjacency determination
1326 27.5 ISIS-SPB information
27.6 Calculating CIST connectivity
1327 27.7 Connectivity between regions in the same domain
1328 27.8 Calculating SPT connectivity
27.8.1 ISIS-SPB overload
1329 27.9 Loop prevention
27.10 SPVID and SPSourceID allocation
1331 27.11 Allocation of VIDs to FIDs
27.12 SPBV SPVID translation
1332 27.13 VLAN topology management
1333 27.14 Individual addresses and SPBM
27.14.1 Loop mitigation
1334 27.14.2 Loop prevention
27.15 SPBM group addressing
1335 27.16 Backbone service instance topology management
1336 27.17 Equal cost shortest paths, ECTs, and load spreading
27.18 Using SPBV and SPBM
27.18.1 Shortest Path Bridging—VID
1338 27.18.2 Shortest Path Bridging—MAC
1340 27.19 Security considerations
1341 28. ISIS-SPB Link State Protocol
28.1 ISIS-SPB control plane MAC
1342 28.2 Formation and maintenance of ISIS-SPB adjacencies
1343 28.3 Loop prevention
28.4 The Agreement Digest
1344 28.4.1 Agreement Digest Format Identifier
28.4.2 Agreement Digest Format Capabilities
28.4.3 Agreement Digest Convention Identifier
28.4.4 Agreement Digest Convention Capabilities
1345 28.4.5 Agreement Digest Edge Count
28.4.6 The Computed Topology Digest
1346 28.5 Symmetric shortest path tie breaking
1347 28.6 Symmetric ECT framework
1348 28.7 Symmetric ECT
1349 28.8 Predefined ECT Algorithm details
1350 28.9 ECT Migration
28.9.1 Use of a new ECT Algorithm in SPBV
1351 28.9.2 Use of a new ECT Algorithm in SPBM
28.10 MAC Address registration
1352 28.11 Circuit IDs and Port Identifiers
28.12 ISIS-SPB TLVs
1353 28.12.1 MT-Capability TLV
28.12.2 SPB MCID sub-TLV
1354 28.12.3 SPB Digest sub-TLV
28.12.4 SPB Base VLAN-Identifiers sub-TLV
1356 28.12.5 SPB Instance sub-TLV
1357 28.12.6 SPB Instance Opaque ECT Algorithm sub-TLV
1358 28.12.7 SPB Link Metric sub-TLV
1359 28.12.8 SPB Adjacency Opaque ECT Algorithm sub-TLV
28.12.9 SPBV MAC address sub-TLV
1361 28.12.10 SPBM Service Identifier and Unicast Address (ISID-ADDR) sub-TLV
1363 29. DDCFM operations and protocols
29.1 Principles of DDCFM operation
29.1.1 Data-driven and data-dependent faults (DDFs)
29.1.2 Basic principle to diagnose and isolate DDFs
1366 29.2 DDCFM Entity operation
29.2.1 DDCFM implementation
1367 29.2.2 Forward Path Test Reflection Responder
1368 29.2.3 Reflection Responder related parameters
1369 29.2.4 Reflection Target and RFM Receiver
29.2.5 Return path test related parameters
1370 29.2.6 Decapsulator Responder
1371 29.2.7 SFM Originator
29.3 DDCFM protocols
29.3.1 Reflection Responder variables
1373 29.3.2 RR Filter Procedures
1374 29.3.3 RR Encapsulation Procedures
1375 29.3.4 RR Transmit procedure
1376 29.3.5 Reflection Responder related state machines
1377 29.3.6 RFM Receiver variables
1378 29.3.7 RFM Receiver procedure
1379 29.3.8 Decapsulator Responder variables
29.3.9 Decapsulator Responder procedures
1381 29.3.10 Decapsulator Responder state machine
29.4 Encoding of DDCFM Protocol Data Units
29.4.1 RFM and SFM Header
29.4.2 RFM format
1382 29.4.3 SFM format
1384 30. Principles of congestion notification
30.1 Congestion notification design requirements
1386 30.2 Quantized Congestion Notification protocol
1387 30.2.1 The CP Algorithm
1388 30.2.2 Basic Reaction Point algorithm
1389 30.2.3 RP algorithm with timer
1390 30.3 Congestion Controlled Flow
1391 30.4 Congestion Notification Priority Value
30.5 Congestion Notification Tag
30.6 Congestion Notification Domain
1392 30.7 Multicast data
1393 30.8 Congestion notification and additional tags
1394 31. Congestion notification entity operation
31.1 Congestion aware Bridge Forwarding Process
31.1.1 Congestion Point
1395 31.1.2 Congestion Point ingress multiplexer
31.2 Congestion aware end station functions
1396 31.2.1 Output flow segregation
1397 31.2.2 Per-CNPV station function
1399 31.2.3 Flow Select Database
31.2.4 Flow multiplexer
31.2.5 CNM demultiplexer
31.2.6 Input flow segregation
1400 31.2.7 End station input queue
31.2.8 Reception selection
1401 32. Congestion notification protocol
32.1 Congestion Notification Domain operations
32.1.1 Congestion Notification Domain defense
1403 32.1.2 Automatic Congestion Notification Domain recognition
32.1.3 Variables controlling Congestion Notification Domain defense
1404 32.2 CN component variables
1405 32.2.1 cngMasterEnable
32.2.2 cngCnmTransmitPriority
32.2.3 cngDiscardedFrames
32.2.4 cngErroredPortList
32.3 Congestion notification per-CNPV variables
32.3.1 cncpDefModeChoice
1406 32.3.2 cncpAlternatePriority
32.3.3 cncpAutoAltPri
32.3.4 cncpAdminDefenseMode
32.3.5 cncpCreation
32.3.6 cncpLldpInstanceChoice
32.3.7 cncpLldpInstanceSelector
1407 32.4 CND defense per-Port per-CNPV variables
32.4.1 cnpdDefModeChoice
32.4.2 cnpdAdminDefenseMode
1408 32.4.3 cnpdAutoDefenseMode
32.4.4 cnpdLldpInstanceChoice
32.4.5 cnpdLldpInstanceSelector
32.4.6 cnpdAlternatePriority
32.4.7 cnpdXmitCnpvCapable
32.4.8 cnpdXmitReady
1409 32.4.9 cncpDoesEdge
32.4.10 cnpdAcceptsCnTag
32.4.11 cnpdRcvdCnpv
32.4.12 cnpdRcvdReady
32.4.13 cnpdIsAdminDefMode
1410 32.4.14 cnpdDefenseMode
32.5 Congestion Notification Domain defense procedures
32.5.1 DisableCnpvRemapping()
32.5.2 TurnOnCnDefenses()
32.5.3 TurnOffCnDefenses()
1411 32.6 Congestion Notification Domain defense state machine
32.7 Congestion notification protocol
1412 32.8 Congestion Point variables
1413 32.8.1 cpMacAddress
32.8.2 cpId
32.8.3 cpQSp
32.8.4 cpQLen
32.8.5 cpQLenOld
32.8.6 cpW
32.8.7 cpQOffset
32.8.8 cpQDelta
1414 32.8.9 cpFb
32.8.10 cpEnqued
32.8.11 cpSampleBase
32.8.12 cpDiscardedFrames
32.8.13 cpTransmittedFrames
32.8.14 cpTransmittedCnms
32.8.15 cpMinHeaderOctets
32.9 Congestion Point procedures
1415 32.9.1 Random
32.9.2 NewCpSampleBase()
32.9.3 EM_UNITDATA.request (parameters)
1416 32.9.4 GenerateCnmPdu()
1417 32.10 Reaction Point per-Port per-CNPV variables
32.10.1 rpppMaxRps
32.10.2 rpppCreatedRps
32.10.3 rpppRpCentiseconds
32.11 Reaction Point group variables
1418 32.11.1 rpgEnable
32.11.2 rpgTimeReset
32.11.3 rpgByteReset
32.11.4 rpgThreshold
32.11.5 rpgMaxRate
32.11.6 rpgAiRate
32.11.7 rpgHaiRate
32.11.8 rpgGd
32.11.9 rpgMinDecFac
1419 32.11.10 rpgMinRate
32.12 Reaction Point timer
32.12.1 RpWhile
32.13 Reaction Point variables
32.13.1 rpEnabled
32.13.2 rpByteCount
32.13.3 rpByteStage
1420 32.13.4 rpTimeStage
32.13.5 rpTargetRate
32.13.6 rpCurrentRate
32.13.7 rpFreeze
32.13.8 rpLimiterRate
32.13.9 rpFb
32.14 Reaction Point procedures
1421 32.14.1 ResetCnm
32.14.2 TestRpTerminate
32.14.3 TransmitDataFrame
32.14.4 ReceiveCnm
1422 32.14.5 ProcessCnm
32.14.6 AdjustRates
32.15 RP rate control state machine
1424 32.16 Congestion notification and encapsulation interworking function
1426 33. Encoding of congestion notification Protocol Data Units
33.1 Structure, representation, and encoding
33.2 Congestion Notification Tag format
1427 33.2.1 Flow Identifier
33.3 Congestion Notification Message
1428 33.4 Congestion Notification Message PDU format
33.4.1 Version
33.4.2 ReservedV
1429 33.4.3 Quantized Feedback
33.4.4 Congestion Point Identifier
33.4.5 cnmQOffset
33.4.6 cnmQDelta
33.4.7 Encapsulated priority
33.4.8 Encapsulated destination MAC address
33.4.9 Encapsulated MSDU length
33.4.10 Encapsulated MSDU
1430 33.4.11 CNM Validation
1431 34. Forwarding and queuing for time-sensitive streams
34.1 Overview
34.2 Detection of SRP domains
1432 34.3 The bandwidth availability parameters
34.3.1 Relationships among bandwidth availability parameters
1433 34.3.2 Bandwidth availability parameter management
34.4 Deriving actual bandwidth requirements from the size of the MSDU
1434 34.5 Mapping priorities to traffic classes for time-sensitive streams
1436 34.6 End station behavior
34.6.1 Talker behavior
1437 34.6.2 Listener behavior
1438 35. Stream Reservation Protocol (SRP)
1439 35.1 Multiple Stream Registration Protocol (MSRP)
1440 35.1.1 MSRP and Shared Media
35.1.2 Behavior of end stations
1442 35.1.3 Behavior of Bridges
35.1.4 Stream Reservation Protocol (SRP) Domains and status parameters
35.2 Definition of the MSRP application
1443 35.2.1 Definition of internal state variables
1445 35.2.2 Definition of MRP elements
1456 35.2.3 Provision and support of Stream registration service
1460 35.2.4 MSRP Attribute Propagation
1464 35.2.5 Operational reporting and statistics
35.2.6 Encoding
1465 35.2.7 Attribute value support requirements
1466 36. Priority-based Flow Control
36.1 Priority-based Flow Control operation
36.1.1 Overview
1467 36.1.2 PFC primitives
1468 36.1.3 Detailed specification of PFC operation
1469 36.2 PFC aware system queue functions
1470 36.2.1 PFC Initiator
36.2.2 PFC Receiver
1472 37. Enhanced Transmission Selection (ETS)
37.1 Overview
37.1.1 Relationship to other transmission selection algorithms
37.2 ETS configuration parameters
37.3 ETS algorithm
1473 37.4 Legacy configuration
1474 38. Data Center Bridging eXchange Protocol (DCBX)
38.1 Overview
38.2 Goals
38.3 Types of DCBX attributes
38.3.1 Informational attributes
38.4 DCBX and LLDP
1475 38.4.1 Asymmetric attribute passing
1476 38.4.2 Symmetric attribute passing
1478 39. Multiple I-SID Registration Protocol
39.1 MIRP overview
1479 39.1.1 Behavior of I-components
1480 39.1.2 Behavior of B-components
39.2 Definition of the MIRP application
39.2.1 Definition of MRP protocol elements
1483 39.2.2 Alternate MIRP model for B-components
1485 39.2.3 Use of “new” declaration capability
39.2.4 Attribute value support requirements
39.2.5 MRP Message filtering
1486 40. Edge Virtual Bridging (EVB)
1488 40.1 EVB architecture without S-channels
1489 40.2 EVB architecture with S-channels
1491 40.3 Asymmetric EVB architecture without S-channels
40.4 EVB status parameters
1492 40.4.1 EVBMode = Not supported
40.4.2 EVBMode = EVB Bridge
40.4.3 EVBMode = EVB station
1494 41. VSI discovery and configuration protocol (VDP)
41.1 VSI manager ID TLV definition
41.1.1 TLV type
41.1.2 TLV information string length
1495 41.1.3 VSI Manager ID
41.2 VDP association TLV definitions
41.2.1 TLV type
1496 41.2.2 TLV information string length
41.2.3 Status
41.2.4 VSI Type ID (VTID)
41.2.5 VSI Type Version
41.2.6 VSIID format
1497 41.2.7 VSIID
41.2.8 Filter Info format
1498 41.2.9 Filter Info field
1501 41.2.10 VDP TLV type and Status semantics
1502 41.3 Organizationally defined TLV definitions
41.3.1 TLV type
41.3.2 TLV information string length
41.3.3 Organizationally unique identifier (OUI)
41.3.4 Organizationally defined information
41.4 Validation rules for VDP TLVs
1503 41.5 VDP state machines
41.5.1 State machine conventions
41.5.2 Bridge VDP state machine
1504 41.5.3 Station VDP state machine
1505 41.5.4 VDP state machine timers
41.5.5 VDP state machine variables and parameters
1507 41.5.6 Command-Response TLV field references in state machines
1508 41.5.7 VDP state machine procedures
1510 42. S-Channel Discovery and Configuration Protocol (CDCP)
42.1 CDCP discovery and configuration
42.2 CDCP state machine overview
1511 42.3 CDCP configuration state machine
1512 42.4 CDCP configuration variables
42.4.1 AdminChnCap
1513 42.4.2 AdminRole
42.4.3 AdminSVIDWants
42.4.4 LastLocalSVIDPool
42.4.5 LastRemoteSVIDList
42.4.6 LastSVIDWants
42.4.7 LocalSVIDPool
42.4.8 OperChnCap
42.4.9 OperRole
1514 42.4.10 OperSVIDList
42.4.11 RemoteChnCap
42.4.12 RemoteRole
42.4.13 RemoteSVIDList
42.4.14 schState
42.5 CDCP configuration procedures
42.5.1 SetSVIDRequest (OperRole, AdminSVIDWants, OperSVIDList)
1515 42.5.2 RxSVIDConfig (OperSVIDList, LastRemoteSVIDList)
42.5.3 TxSVIDConfig (OperChnCap, RemoteChnCap, LastLocalSVIDPool, RemoteSVIDList, OperSVIDList)
1516 43. Edge Control Protocol (ECP)
43.1 Edge control protocol operation
1517 43.2 Edge Control Sublayer Service (ECSS)
43.3 Edge control protocol (ECP) and state machine
43.3.1 State machine conventions
43.3.2 Overview
1518 43.3.3 Edge control protocol data unit (ECPDU)
1519 43.3.4 ECP transmit state machine
43.3.5 ECP receive state machine
1520 43.3.6 ECP state machine timers
1521 43.3.7 ECP state machine variables and parameters
1522 43.3.8 ECP state machine procedures
1523 Annex A
PICS proforma—Bridge implementations
A.1 Introduction
A.2 Abbreviations and special symbols
A.2.1 Status symbols
A.2.2 General abbreviations
1524 A.3 Instructions for completing the PICS proforma
A.3.1 General structure of the PICS proforma
A.3.2 Additional information
A.3.3 Exception information
1525 A.3.4 Conditional status
1526 A.4 PICS proforma for IEEE Std 802.1Q—Bridge implementations
A.4.1 Implementation identification
A.4.2 Protocol summary, IEEE Std 802.1Q
1527 A.5 Major capabilities
1531 A.6 Media Access Control methods
A.7 Relay and filtering of frames
1533 A.8 Basic Filtering Services
1534 A.9 Addressing
1536 A.10 Rapid Spanning Tree Protocol
1537 A.11 BPDU encoding
1538 A.12 Implementation parameters
1539 A.13 Performance
A.14 Bridge management
1549 A.15 Remote management
A.16 Expedited traffic classes
1550 A.17 Extended Filtering Services
A.18 Multiple Spanning Tree Protocol
1552 A.19 VLAN support
1556 A.20 MMRP
1557 A.21 MVRP
1558 A.22 MRP
A.23 Connectivity Fault Management
1565 A.24 Management Information Base (MIB)
1567 A.25 Protection Switching
1568 A.26 Data-driven and data-dependent connectivity fault management
A.27 TPMR
1569 A.28 MSP
A.29 Forwarding and queuing for time-sensitive streams
1570 A.30 Congestion notification
1571 A.31 Stream Reservation Protocol
1574 A.32 MIRP
1575 A.33 Priority-based Flow Control
A.34 Enhanced Transmission Selection
1576 A.35 DCBX
A.36 Infrastructure Protection Switching (IPS)
A.37 Shortest Path Bridging
1578 A.38 EVB Bridge
1579 A.39 EVB station
1581 A.40 Edge relay
1583 A.41 VEB and VEPA edge relay components
1584 A.42 VDP, CDCP, and ECP
1585 Annex B
PICS proforma—End station implementations
B.1 Introduction
B.2 Abbreviations and special symbols
B.2.1 Status symbols
B.2.2 General abbreviations
1586 B.3 Instructions for completing the PICS proforma
B.3.1 General structure of the PICS proforma
B.3.2 Additional information
B.3.3 Exception information
1587 B.3.4 Conditional status
1588 B.4 PICS proforma for IEEE Std 802.1Q—End station implementations
B.4.1 Implementation identification
B.4.2 Protocol summary, IEEE Std 802.1Q
1589 B.5 Major capabilities
1590 B.6 MMRP
1591 B.7 MVRP
B.8 MRP
1592 B.9 Forwarding and queuing for time-sensitive streams
B.10 SRP (Stream Reservation Protocol)
1595 B.11 Congestion notification
1596 B.12 Priority-based Flow Control
1597 B.13 Enhanced Transmission Selection
B.14 DCBX
1598 Annex C
DMN (Designated MSRP Node) Implementations
C.1 Designated MSRP nodes on CSNs
C.1.1 Coordinated Shared Network (CSN) characteristics
1599 C.1.2 Designated MSRP Node handling on CSN
C.1.3 MSRPDU handling on a CSN
1601 C.1.4 CSN bandwidth fluctuations
C.2 Designated MSRP Node on MoCA
C.2.1 DMN Selection on MoCA Network
1605 C.2.2 MoCA network bandwidth management
1606 C.3 Designated MSRP Nodes on IEEE 802.11 media
C.3.1 MSRP Handling
1611 C.3.2 BSS DMN selection
C.3.3 BSS network bandwidth management
1615 Annex D
(normative)
IEEE 802.1 Organizationally Specific TLVs
D.1 Requirements of the IEEE 802.1 Organizationally Specific TLV sets
1616 D.2 Organizationally Specific TLV definitions
D.2.1 Port VLAN ID TLV
D.2.2 Port And Protocol VLAN ID TLV
1617 D.2.3 VLAN Name TLV
1618 D.2.4 Protocol Identity TLV
1619 D.2.5 VID Usage Digest TLV
D.2.6 Management VID TLV
1620 D.2.7 Link Aggregation TLV
1621 D.2.8 Congestion Notification TLV
1622 D.2.9 ETS Configuration TLV
1624 D.2.10 ETS Recommendation TLV
1625 D.2.11 Priority-based Flow Control Configuration TLV
1626 D.2.12 Application Priority TLV
1627 D.2.13 EVB TLV
1631 D.2.14 CDCP TLV
1633 D.3 IEEE 802.1 Organizationally Specific TLV management
D.3.1 IEEE 802.1 Organizationally Specific TLV selection management
D.3.2 IEEE 802.1 managed objects—TLV variables
1635 D.4 PICS proforma for IEEE 802.1 Organizationally Specific TLV extensions
D.4.1 Implementation identification
D.4.2 Protocol summary, IEEE Std 802.1Q
1636 D.4.3 Major capabilities and options
1638 D.5 IEEE 802.1/LLDP extension MIB
D.5.1 Internet Standard Management Framework
D.5.2 Structure of the IEEE 802.1/LLDP extension MIB
1646 D.5.3 Relationship to other MIBs
D.5.4 Security considerations for IEEE 802.1 LLDP extension MIB module
1648 D.5.5 IEEE 802.1 LLDP extension MIB module—version 2 ,
1716 D.5.6 EVB extensions to the IEEE 802.1 LLDP extension MIB module
1725 Annex E
(normative)
Notational conventions used in state diagrams
1727 Annex F
Shared and Independent VLAN Learning
F.1 Requirements for Shared and Independent Learning
1728 F.1.1 Connecting independent VLANs
F.1.2 Duplicate MAC Addresses
1730 F.1.3 Asymmetric VLANs and Rooted-Multipoint connectivity
1734 F.1.4 Shared Learning and Shortest Path Bridging VID Mode
1735 F.1.5 Generic constraints on SVL and IVL use
1737 Annex G
MAC method dependent aspects of VLAN support
G.1 Example tagged IEEE 802.3 Ethertype-encoded frame format
G.2 Padding and frame size considerations
G.2.1 Treatment of PAD fields in IEEE 802.3 frames
1738 G.2.2 Maximum PDU size
G.2.3 Minimum PDU size
1739 Annex H
Interoperability considerations
H.1 Requirements for interoperability
H.1.1 Static filtering requirements
H.1.2 Configuration requirements for VLAN-tagging
1740 H.2 Homogenous VLAN-aware networks
H.2.1 Consistency of static VLAN filtering
1741 H.2.2 Consistent view of the “untagged VLAN(s)” on a given LAN
1742 H.3 Heterogeneous networks: Intermixing MAC Bridges (M) and VLAN Bridges (V)
H.3.1 Example: Adding a VLAN Bridge to provide filtering to a MAC Bridged Network
1743 H.3.2 Example: Adding a MAC Bridge to a (previously) Homogenous VLAN Bridged Network
H.4 Intermixing Port-based classification and Port-and-Protocol-based classification or future enhancements in VLAN Bridges
H.4.1 Example: Intermixing Protocol-based ingress rules
1744 H.4.2 Differing views of untagged traffic on a given LAN
1745 Annex I
Priority and drop precedence
I.1 Traffic types
1746 I.2 Managing latency and throughput
I.3 Traffic type to traffic class mapping
1748 I.4 Traffic types and priority values
1749 I.5 Supporting the credit-based shaper algorithm
1750 I.6 Supporting drop precedence
1751 I.7 Priority code point allocation
I.8 Interoperability
1753 Annex J
Connectivity Fault Management protocol design and use
J.1 Origin of Connectivity Fault Management
J.2 Deployment of Connectivity Fault Management
1754 J.3 MD Level allocation alternative
J.4 Relationship of IEEE Std 802.1Q CFM to other standards
1755 J.5 Interpreting Linktrace results
1756 J.6 MP addressing: Individual and Shared MP addresses
1757 J.6.1 Individual MP address model
J.6.2 Shared MP address model and the CFM Port
1761 Annex K
TPMR use cases
K.1 Use case 1—TPMR as User to Network Interface (UNI) demarcation device
1762 K.2 Use case 2—TPMRs with aggregated links
K.3 Use case 3—Multiple TPMRs
1763 K.4 Special cases
1766 Annex L
Operation of the credit-based shaper algorithm
L.1 Overview of credit-based shaper operation
1769 L.2 “Class measurement intervals” in Bridges
1771 L.3 Determining worst-case latency contribution and buffering requirements
1772 L.3.1 Interference delay
1781 L.3.2 Maximum interference delay and maximum buffer requirement
L.4 Operation of the credit-based shaper in a coordinated shared network
1783 Annex M
Support for PFC in link layers without MAC Control
M.1 Overview
M.2 PFC PDU Format
1784 Annex N
Buffer requirements for Priority-based Flow Control
N.1 Overview
1785 N.2 Delay model
1787 N.3 Interface Delay
N.4 Cable Delay
N.5 Higher Layer Delay
1788 N.6 Computation example
1789 Annex O
Preserving the integrity of FCS fields in MAC Bridges
O.1 Background
O.2 Basic mathematical ideas behind CRC and FCS
1791 O.3 Detection Lossless Circuit approach
1792 O.4 Algorithmic modification of an FCS
1795 O.5 Conclusions
1796 Annex P
Frame duplication and misordering
P.1 Background
P.2 Frame duplication
1797 P.3 Frame misordering
1798 P.4 Other considerations
1799 Annex Q
Bibliography
IEEE P802.1Q REV D2.0 January2014 DRAFT
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