Agent Extensibility (AgentX) Protocol Version 1
RFC 2741
Document | Type |
RFC - Draft Standard
(January 2000; No errata)
Obsoletes RFC 2257
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Authors | Dale Francisco , Bert Wijnen , Mark Ellison , Michael Daniele | ||
Last updated | 2013-03-02 | ||
Stream | IETF | ||
Formats | plain text html pdf htmlized bibtex | ||
Stream | WG state | (None) | |
Document shepherd | No shepherd assigned | ||
IESG | IESG state | RFC 2741 (Draft Standard) | |
Consensus Boilerplate | Unknown | ||
Telechat date | |||
Responsible AD | (None) | ||
Send notices to | (None) |
Network Working Group M. Daniele Request for Comments: 2741 Compaq Computer Corporation Obsoletes: 2257 B. Wijnen Category: Standards Track T.J. Watson Research Center, IBM Corp. M. Ellison, Ed. Ellison Software Consulting, Inc. D. Francisco. Ed. Cisco Systems, Inc. January 2000 Agent Extensibility (AgentX) Protocol Version 1 Status of this Memo This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited. Copyright Notice Copyright (C) The Internet Society (2000). All Rights Reserved. Abstract This memo defines a standardized framework for extensible SNMP agents. It defines processing entities called master agents and subagents, a protocol (AgentX) used to communicate between them, and the elements of procedure by which the extensible agent processes SNMP protocol messages. This memo obsoletes RFC 2257. Table of Contents 1. Introduction.....................................................4 2. The SNMP Management Framework....................................4 2.1. A Note on Terminology........................................5 3. Extending the MIB................................................5 3.1. Motivation for AgentX........................................6 4. AgentX Framework.................................................6 4.1. AgentX Roles.................................................7 4.2. Applicability................................................8 4.3. Design Features of AgentX....................................9 4.4. Non-Goals...................................................10 Daniele, et al. Standards Track [Page 1] RFC 2741 AgentX January 2000 5. AgentX Encodings................................................11 5.1. Object Identifier...........................................11 5.2. SearchRange.................................................13 5.3. Octet String................................................14 5.4. Value Representation........................................15 6. Protocol Definitions............................................17 6.1. AgentX PDU Header...........................................17 6.1.1. Context.................................................20 6.2. AgentX PDUs.................................................20 6.2.1. The agentx-Open-PDU.....................................20 6.2.2. The agentx-Close-PDU....................................22 6.2.3. The agentx-Register-PDU.................................23 6.2.4. The agentx-Unregister-PDU...............................27 6.2.5. The agentx-Get-PDU......................................29 6.2.6. The agentx-GetNext-PDU..................................30 6.2.7. The agentx-GetBulk-PDU..................................32 6.2.8. The agentx-TestSet-PDU..................................34 6.2.9. The agentx-CommitSet, -UndoSet, -CleanupSet PDUs........35 6.2.10. The agentx-Notify-PDU..................................36 6.2.11. The agentx-Ping-PDU....................................37 6.2.12. The agentx-IndexAllocate-PDU...........................37 6.2.13. The agentx-IndexDeallocate-PDU.........................38 6.2.14. The agentx-AddAgentCaps-PDU............................39 6.2.15. The agentx-RemoveAgentCaps-PDU.........................41 6.2.16. The agentx-Response-PDU................................43 7. Elements of Procedure...........................................45 7.1. Processing AgentX Administrative Messages...................45 7.1.1. Processing the agentx-Open-PDU..........................46 7.1.2. Processing the agentx-IndexAllocate-PDU.................47 7.1.3. Processing the agentx-IndexDeallocate-PDU...............49 7.1.4. Processing the agentx-Register-PDU......................50 7.1.4.1. Handling Duplicate and Overlapping Subtrees.........50 7.1.4.2. Registering Stuff...................................51 7.1.4.2.1. Registration Priority...........................51 7.1.4.2.2. Index Allocation................................51Show full document text