1 Scope
2 References
3 Definitions
    3.1 Definitions related to MAC bridging
    3.2 Definitions specific to remote MAC bridging
    3.3 Acronyms and abbreviations
4 Conformance
    4.1 Static conformance requirements
    4.2 Options
    4.3 Protocol implementation conformance statement (PICS)
5 Support of the MAC service
    5.1 Provision and support of the MAC service
    5.2 Preservation of the MAC service
    5.3 Quality of service (OS) maintenance
          5.3.1 Undetected error rate
    5.4 Internal Sublayer Service provided within the
          remote MAC bridge
    5.5 Support of the Internal Sublayer Service by specific
          MAC procedures
    5.6 Support of the Internal Sublayer Service in
          remote bridge groups
6 Principles of operation
    6.1 Remote bridge operation
    6.2 Remote bridge architecture
    6.3 Model of operation of a single remote bridge
    6.4 Port states, active ports and the active topology
    6.5 Frame reception
    6.6 Frame transmission
    6.7 Frame forwarding
    6.8 The learning process
    6.9 The filtering database
    6.10 Bridge protocol entity
    6.11 Bridge management
    6.12 Addressing
    6.13 Model of remote bridge interconnection
7 The Spanning Tree Algorithm and Protocol
    7.1 Introduction
    7.2 Requirements of the remote MAC bridges
    7.3 General description
    7.4 Port states
    7.5 Protocol parameters
    7.6 Elements of parameter computation for a remote
          bridge
    7.7 Spanning Tree Protocol operation at LAN ports
    7.8 Management of the bridge protocol entity
    7.9 Encoding and validation of VPDUs on LANs
    7.10 Performance
8 Relaying by remote bridges
    8.1 Relaying connectivity requirement
    8.2 Relaying QOS requirements
    8.3 Cluster integrity requirements
9 Bridge management
    9.1 Management functions
    9.2 Managed objects
    9.3 Data types
    9.4 Bridge management entity
    9.5 MAC entities
    9.6 Forwarding Process
    9.7 The filtering database
    9.8 The bridge protocol entity
10 Management protocol
    10.1 Mapping of operations onto LMMS services
    10.2 Managed object containment structure
    10.3 Additions to MAC Bridge DLE managed object
          class definition
    10.4 Additions to Port managed object class definition
    10.5 Group managed object class and attributes
    10.6 ASN.1 definitions
11 Performance
12 The Extended Spanning Tree Protocol
    12.1 Introduction
    12.2 Bridge-protocol support in remote bridge groups
    12.3 Protocol parameter and timers
    12.4 Encoding of BPDUs on LANs
    12.5 Encoding of Extended Spanning Tree Protocol
          BPDUs in remote bridge groups
    12.6 Elements of procedure
    12.7 Operation of the protocol
    12.8 Management of the bridge protocol entity
13 The Extended Spanning Tree Protocol; Procedural model
Annex A (normative) PICS proforma
    A.1 Introduction
    A.2 Abbreviations and special symbols
    A.3 Instructions for completing the PICS proforma
    A.4 PICS proforma - ISO/IEC 15802-5 - Identification
    A.5 Major capabilities and options
    A.6 Relay and filtering of frames
    A.7 Maintenance of filtering information
    A.8 Addressing
    A.9 Spanning Tree Algorithm
    A.10 Extended Spanning Tree Protocol
    A.11 Bridge management
    A.12 Performance and parameter values
Annex B (normative) Allocation of object identifier values
    B.1 Introduction
    B.2 Allocation tables
Annex C (informative) Background information and tutorial
    C.1 Introduction
    C.5 Support of the MAC service
    C.6 Principles of operation
          C.6.13 Model of remote bridge interconnection
    C.7 The Spanning Tree Algorithm and cluster
          configuration
          C.7.1 Requirements on the algorithm
          C.7.3 Spanning Tree Algorithm and cluster
                  configuration
          C.7.10 Performance and reclustering periods
    C.8 Relaying by remote bridges
          C.8.1 Relaying Requirements and Mechanisms
          C.8.2 Relaying in steady-state configurations
          C.8.3 Relaying during configuration changes
    C.12 The Extended Spanning Tree Protocol
          C.12.2 Bridge-protocol support in remote bridge
                  groups
Annex D (informative) Relationship with ISO/IEC 10038
    D.1 Introduction
    D.2 References
    D.3 Definitions
    D.4 Conformance
    D.5 Support of the MAC service
    D.6 Principles of operation
    D.7 The Spanning Tree Algorithm and protocol
    D.8 Relaying by remote bridges
    D.9 Bridge management
    D.10 Management protocol
    D.11 Performance
    D.12 The Extended Spanning Tree Protocol
    D.13 The Extended Spanning Tree Protocol:
          Procedural model