RFC 2257 (rfc2257) - Page 2 of 80

Agent Extensibility (AgentX) Protocol Version 1

RFC 2257                        AgentX                      January 1998


       6.1.1 Context..................................................19
     6.2 AgentX PDUs..................................................20
       6.2.1 The agentx-Open-PDU......................................20
       6.2.2 The agentx-Close-PDU.....................................21
       6.2.3 The agentx-Register-PDU..................................22
       6.2.4 The agentx-Unregister-PDU................................25
       6.2.5 The agentx-Get-PDU.......................................27
       6.2.6 The agentx-GetNext-PDU...................................29
       6.2.7 The agentx-GetBulk-PDU...................................30
       6.2.8 The agentx-TestSet-PDU...................................31
       6.2.9 The agentx-CommitSet, -UndoSet, -CleanupSet
             PDUs.....................................................33
       6.2.10 The agentx-Notify-PDU...................................33
       6.2.11 The agentx-Ping-PDU.....................................34
       6.2.12 The agentx-IndexAllocate-PDU............................35
       6.2.13 The agentx-IndexDeallocate-PDU..........................36
       6.2.14 The agentx-AddAgentCaps-PDU.............................37
       6.2.15 The agentx-RemoveAgentCaps-PDU..........................38
       6.2.16 The agentx-Response-PDU.................................39

   7 Elements of Procedure............................................41
     7.1 Processing AgentX Administrative Messages....................42
       7.1.1 Processing the agentx-Open-PDU...........................42
       7.1.2 Processing the agentx-IndexAllocate-PDU..................43
       7.1.3 Using the agentx-IndexAllocate-PDU.......................45
       7.1.4 Processing the agentx-IndexDeallocate-PDU................47
       7.1.5 Processing the agentx-Register-PDU.......................48
         7.1.5.1 Handling Duplicate OID Ranges........................50
       7.1.6 Processing the agentx-Unregister-PDU.....................51
       7.1.7 Processing the agentx-AddAgentCaps-PDU...................51
       7.1.8 Processing the agentx-RemoveAgentCaps-PDU................52
       7.1.9 Processing the agentx-Close-PDU..........................52
       7.1.10 Detecting Connection Loss...............................53
       7.1.11 Processing the agentx-Notify-PDU........................53
       7.1.12 Processing the agentx-Ping-PDU..........................54
     7.2 Processing Received SNMP Protocol Messages...................54
       7.2.1 Dispatching AgentX PDUs..................................55
         7.2.1.1 agentx-Get-PDU.......................................57
         7.2.1.2 agentx-GetNext-PDU...................................58
         7.2.1.3 agentx-GetBulk-PDU...................................59
         7.2.1.4 agentx-TestSet-PDU...................................60
         7.2.1.5 Dispatch.............................................60
       7.2.2 Subagent Processing of agentx-Get, GetNext,
             GetBulk-PDUs.............................................61
         7.2.2.1 Subagent Processing of the agentx-Get-PDU............61
         7.2.2.2 Subagent Processing of the
                 agentx-GetNext-PDU...................................62




Daniele, et. al.            Standards Track