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September, 1993
SNMP MIB User,
The article Understanding SNMP MIBs which follows contains information and conventions that were
state of the art as of the spring of 1992. Since then, the SNMPv2 working group was formed, did work,
and concluded after producing a new management framework documented by RFCs 1441 through 1452.
In doing this work, many of the open issues raised in Understanding SNMP MIBs have been resolved.
Some can be applied retroactively to the SNMPv1 framework, but not all. It is my wish to update the
current version of the article to add the resolutions, and expand on some of the advanced topics such as
row creation/deletion and actions. However, at this time this work has not been scheduled.
This article is copyrighted and protected by intellectual property laws. It is provided "AS IS" without any
warranty. It represents an interpretation of the SNMPv1 documents describing MIBs.
You are free to copy and distribute this article for personal or for not-for-profit use. You may not make
derivative works or include this article in compilations without permission.
I hope that you find the article informational and enjoyable. The most up-to-date information about the
SNMP community can be found in the bi-monthly newsletter The Simple Times. To get information on
subscribing to it, send a message to
st-subscriptions@simple-times.org
with a Subject line of
help
And if you have any questions or comments about the article, please send me a message.
Enjoy,
Dave Perkins
Dave Perkins
SynOptics Communications, Inc
408 764-1516
dperkins@synoptics.com
Understanding
SNMP MIBs
By David T. Perkins, September, 1993.
Revision 1.1.7
Understanding
SNMP MIBs
By David T. Perkins, September, 1993
Revision 1.1.7
Copyright ©1992-1993, David T. Perkins. All rights reserved.
Copyright © 1992-1993, David T. Perkins. All Rights Reserved. Page ii
Table of Contents
1. Introduction..................................................................................................1
2. Notations for Syntax Descriptions.................................................................3
3. What is a MIB? ............................................................................................3
4. The Structure of Management Information (SMI).........................................4
4.1. Object Identifiers (OIDs) ..............................................................................5
4.2. MIB Modules ...............................................................................................7
4.3. Mechanics of Module Specification ..............................................................9
4.4. Object Identifier Items................................................................................10
4.5. Managed Object Definitions .......................................................................11
4.5.1. Table Objects..............................................................................................12
4.5.2. Row Objects ...............................................................................................13
4.5.3. Sequence Definitions..................................................................................14
4.5.4. Leaf Objects ...............................................................................................15
4.5.5. Textual Conventions...................................................................................16
4.5.6. Values for SYNTAX ..................................................................................17
4.5.7. Values for ACCESS ...................................................................................20
4.5.8. Values for STATUS ...................................................................................20
4.5.9. Values for DESCRIPTION.........................................................................20
4.5.10. Values for REFERENCE............................................................................20
4.5.11. Values for INDEX......................................................................................20
4.5.12. Values for DEFVAL...................................................................................21
4.5.13. Considerations for Instances.......................................................................21
4.5.14. Guidelines for Objects ................................................................................24
4.5.15. General MIB Design Rules.........................................................................25
4.5.16. Case Diagrams...........................................................................................26
4.6. Traps..........................................................................................................27
4.6.1. Trap-Type Macro .......................................................................................27
4.6.2. Values for ENTERPRISE...........................................................................27
4.6.3. Values for VARIABLES.............................................................................28
4.6.4. Values for DESCRIPTION.........................................................................28
4.6.5. Values for REFERENCE............................................................................28
4.6.6. Values for TRAP-TYPE .............................................................................28
4.6.7. Considerations for Traps ............................................................................29
5. Standard Practices Used in MIBs................................................................29
5.1. Modules .....................................................................................................29
5.2. The IMPORTS Clause................................................................................29
5.3. The Object Identifier { 0 0 }.......................................................................30
5.4. Textual Conventions...................................................................................30
5.5. Object Creation and Deletion......................................................................30
5.6. Optional Objects.........................................................................................31
5.7. OID Restrictions.........................................................................................31
5.8. Proprietary Instance Rules..........................................................................31
6. Proprietary Extensions................................................................................31
7. Future Directions........................................................................................35
8. Topics Not Covered....................................................................................35
9. Sources for Documents and IANA Contact Information..............................36
10. Acronyms Used In This Article ..................................................................37
11. References..................................................................................................38
Copyright © 1992-1993, David T. Perkins. All Rights Reserved. Page iii
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资源评论
- screaming2013-12-16确实是全英文而且清晰,谢了
- phuikweiu2012-10-19内容真实,40多页英文,net-snmp推荐书籍,比较有用
- liuhao972012-06-03内容真实, 英文版, 原版。
- lambmusic2012-12-28还不错啊,好不容易找到了
- cqj911cqj9112012-08-14英文的,比较难懂。
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