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eLibrary > BS ISO/IEC/IEEE 8802-1AX:2021 Telecommunications and exchange between information technology systems. Requirements for local and metropolitan area networks - Link aggregation >

BS ISO/IEC/IEEE 8802-1AX:2021 Telecommunications and exchange between information technology systems. Requirements for local and metropolitan area networks - Link aggregation, 2022

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BS ISO/IEC/IEEE 8802-1AX:2021 Telecommunications and exchange between information technology systems. Requirements for local and metropolitan area networks - Link aggregation, 2022

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Title page
Important Notices and Disclaimers Concerning IEEE Standards Documents
Participants
Introduction
Contents
Figures
Tables
1. Overview [Go to Page]
1.1 Scope
1.2 Purpose
1.3 State diagram conventions
2. Normative references
3. Definitions
4. Acronyms and abbreviations
5. Conformance [Go to Page]
5.1 Requirements terminology
5.2 Protocol implementation conformance statement
5.3 Link Aggregation [Go to Page]
5.3.2 Link Aggregation options
5.4 Distributed Resilient Network Interconnect (DRNI) [Go to Page]
5.4.2 DRNI options
6. Link Aggregation [Go to Page]
6.1 Overview [Go to Page]
6.1.1 Goals and objectives
6.1.2 Positioning of Link Aggregation within the IEEE 802 architecture
6.1.3 Protocol Parser/Multiplexer
6.2 Link Aggregation operation [Go to Page]
6.2.1 Principles of Link Aggregation
6.2.2 Service interfaces
6.2.3 Frame Collector
6.2.4 Frame Distributor
6.2.5 Marker Generator/Receiver (optional)
6.2.6 Marker Responder
6.2.7 Aggregator Parser/Multiplexer
6.2.8 Aggregator
6.2.9 LACP Parser/Multiplexer
6.2.10 Addressing
6.3 Link Aggregation Control [Go to Page]
6.3.1 Characteristics of Link Aggregation Control
6.3.2 System identification
6.3.3 Aggregator identification
6.3.4 Port identification
6.3.5 Capability identification
6.3.6 Link Aggregation Group identification
6.3.7 Selecting a Link Aggregation Group
6.3.8 Agreeing on a Link Aggregation Group
6.3.9 Attaching a link to an Aggregator
6.3.10 Signaling readiness to transfer user data
6.3.11 Enabling the Frame Collector and Frame Distributor
6.3.12 MAC_Operational status
6.3.13 Monitoring the membership of a Link Aggregation Group
6.3.14 Detaching a link from an Aggregator
6.3.15 Configuration and administrative control of Link Aggregation
6.3.16 Link Aggregation Control state information
6.4 Link Aggregation Control Protocol [Go to Page]
6.4.1 LACP design elements
6.4.2 LACPDU structure and encoding
6.4.3 LACP state machine overview
6.4.4 Constants
6.4.5 Variables associated with each Aggregator
6.4.6 Variables associated with each Aggregation Port
6.4.7 Variables used for managing the operation of the state machines
6.4.8 Functions
6.4.9 Timers
6.4.10 Messages
6.4.11 LACP Receive machine
6.4.12 Selection Logic
6.4.13 Mux machine
6.4.14 LACP Transmit machine
6.5 Marker protocol [Go to Page]
6.5.1 Introduction
6.5.2 Sequence of operations
6.5.3 Marker and Marker Response PDU structure and encoding
6.5.4 Protocol definition
6.6 Conversation-Sensitive Collection and Distribution [Go to Page]
6.6.1 Port Algorithms and Port Conversation IDs
6.6.2 Link numbers and link selection
6.6.3 Conversation-sensitive LACP
6.7 Configuration capabilities and restrictions [Go to Page]
6.7.1 Use of system and port priorities
6.7.2 Dynamic allocation of operational Keys
6.7.3 Link Aggregation on shared-medium links
6.7.4 Selection Logic variants
6.7.5 LACP configuration for dual-homed Systems
7. Management [Go to Page]
7.1 Overview [Go to Page]
7.1.1 Systems management overview
7.1.2 Management model
7.2 Managed objects [Go to Page]
7.2.1 Introduction
7.2.2 Overview of managed objects
7.2.3 Containment
7.2.4 Naming
7.2.5 Capabilities
7.3 Management for Link Aggregation [Go to Page]
7.3.1 Aggregator managed object class
7.3.2 Aggregation Port managed object class
7.3.3 Aggregation Port Statistics managed object class
7.3.4 Aggregation Port Debug Information managed object class
7.4 Management for Distributed Resilient Network Interconnect [Go to Page]
7.4.1 DRNI Managed Object Class
8. Distribution algorithms [Go to Page]
8.1 Distribution algorithm identification
8.2 Per-Service Frame Distribution [Go to Page]
8.2.1 Distribution based on C-VLAN Identifier (C-VID)
8.2.2 Distribution based on S-VLAN Identifier (S-VID)
8.2.3 Distribution based on Backbone Service Instance Identifier (I-SID)
8.2.4 Distribution based on Traffic Engineering Service Instance Identifier (TE-SID)
8.2.5 Distribution based on Flow Hash
9. Distributed Resilient Network Interconnect [Go to Page]
9.1 Goals
9.2 Distributed Relay operation
9.3 Intra-Relay Connection
9.4 Using DRNI [Go to Page]
9.4.1 DRNI connectivity
9.4.2 DRNI fault recovery
9.4.3 DRNI configuration
9.5 DRNI Gateway [Go to Page]
9.5.1 DRCP Parser/Multiplexer
9.5.2 DRNI Gateway Relay
9.5.3 DRNI Gateway Control
9.6 Distributed Relay Control Protocol [Go to Page]
9.6.1 DRCPDU transmission, addressing, and protocol identification
9.6.2 DRCPDU structure and encoding
9.6.3 DRCP state machine overview
9.6.4 Constants
9.6.5 Variables associated with the DRNI Gateway
9.6.6 Variables used for managing the operation of the state machines
9.6.7 Functions
9.6.8 Timers
9.6.9 Messages
9.6.10 DRCP Receive machine
9.6.11 Distributed Relay machine
9.6.12 DRNI Gateway and Aggregator machine
9.6.13 DRCP Transmit machine
Annex A (normative) Protocol implementation conformance statement (PICS) proforma [Go to Page]
A.1 Introduction [Go to Page]
A.1.1 Abbreviations and special symbols
A.1.2 Instructions for completing the PICS proforma
A.1.3 Additional information
A.1.4 Exceptional information
A.1.5 Conditional items
A.1.6 Identification
A.2 PICS proforma for Clause 6 [Go to Page]
A.2.1 Major capabilities/options
A.2.2 LLDP Port connectivity
A.2.3 Protocol Parser/Multiplexer support
A.2.4 Frame Collector
A.2.5 Frame Distributor
A.2.6 Marker protocol
A.2.7 Aggregator Parser/Multiplexer
A.2.8 LACP Parser/Multiplexer
A.2.9 System identification
A.2.10 Aggregator identification
A.2.11 Port identification
A.2.12 Capability identification
A.2.13 Link Aggregation Group identification
A.2.14 Detaching a link from an Aggregator
A.2.15 LACPDU structure
A.2.16 Receive machine
A.2.17 Selection Logic
A.2.18 Mux machine
A.2.19 Transmit machine
A.2.20 Marker protocol
A.2.21 Management
A.2.22 Per-Service Frame Distribution
A.2.23 Conversation-sensitive frame collection and distribution
A.2.24 Configuration capabilities and restrictions
A.2.25 Link Aggregation on shared-medium links
A.2.26 Distributed Resilient Network Interconnect
A.2.27 DRCPDU structure
Annex B (informative) Collection and distribution algorithms [Go to Page]
B.1 Introduction
B.2 Port selection
B.3 Dynamic reallocation of conversations to different Aggregation Ports
B.4 Topology considerations in the choice of distribution algorithm
Annex C (informative) LACP standby link selection and dynamic Key management [Go to Page]
C.1 Introduction
C.2 Goals
C.3 Standby link selection
C.4 Dynamic Key management
C.5 A dynamic Key management algorithm
C.6 Example 1
C.7 Example 2
Annex D (normative) SMIv2 MIB definitions for Link Aggregation [Go to Page]
D.1 Introduction
D.2 SNMP Management Framework
D.3 Security considerations
D.4 Structure of the MIB module [Go to Page]
D.4.1 Relationship to the managed objects defined in Clause 7
D.4.2 MIB Subtrees
D.5 Relationship to other MIBs [Go to Page]
D.5.1 Relationship to the Interfaces MIB
D.5.2 Layering model
D.5.3 ifStackTable
D.5.4 ifRcvAddressTable
D.6 Definitions for Link Aggregation MIB
Annex E (informative) DRNI on Bridges [Go to Page]
E.1 DRNI on VLAN Bridges
E.2 DRNI on Provider Bridges and Provider Edge Bridges
E.3 DRNI on Backbone Edge Bridges
Annex F (normative) Link Aggregation and Link Layer Discovery Protocol [Go to Page]
F.1 Positioning Link Layer Discovery Protocol (LLDP) relative to Link Aggregation [Go to Page]
F.1.1 LLDP Parser/Multiplexer
F.2 Link Aggregation TLV [Go to Page]
F.2.1 aggregation status
F.2.2 aggregated Port ID
F.2.3 Link Aggregation TLV usage rules
F.2.4 Use of other TLVs on an Aggregator or Aggregation Link
Annex G (informative) Bibliography [Go to Page]

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