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MIB Smithy

User's Guide

  1. Document Conventions
  2. Introduction
  3. Installation
  4. MIB Smithy GUI
  5. Sample MIB Files

Common Properties

  1. Formatting Considerations
  2. Object Identifier Values
  3. Syntax Properties
  4. Default Object Values

Module Structure

  1. MIB/PIB Modules
  2. MODULE-IDENTITY
  3. Type Definitions
  4. Branch Nodes
  5. Object Types
  6. Conceptual Tables
  7. Notifications
  8. Object Groups
  9. Notification Groups
  10. Compliance Statements
  11. Capability Statements
  12. Conformance Modules
  13. Conditional Groups
  14. Variations

Output Formats

  1. Compiling Modules
  2. MOSY Output Format
  3. Name/ID List Format
  4. OID Tree Format

More Info

  1. Common Design Errors
  2. Known Issues
  3. References
  1. Up to Table of Contents

Sample MIB Files

MIB Smithy comes with with over 200 IETF and IANA standard MIB modules pre-installed to help get you started and familiarize yourself with the application. IETF modules are installed in the mibs/IETF/ directory, and are also available in RFC document form from www.ietf.org. IANA modules are installed in the mibs/IANA/ directory, and are also available from www.iana.org.

Listed below are some of the more important modules that you're likely to need to get started in your MIB development work. Some of these are also installed in the mibs/ directory. Any MIB files located in this directory are automatically loaded on startup, so you can customize your default MIB library as desired. For instance, you may want to add a MIB file to this directory that defines the common records (such as your enterprise OID assignment) used throughout your products.

SNMPv2-SMI

Defines the main branches of the OBJECT IDENTIFIER tree used by SNMP, the primary MACRO definitions (MODULE-IDENTITY, OBJECT-TYPE, NOTIFICATION-TYPE and OBJECT-IDENTITY), as well as the core SNMP data types (Integer32, IpAddress, Counter32, Gauge32, Unsigned32, TimeTicks, Opaque, Counter64). All SMIv2 modules are required to import from this module, if for no other reason than the requirement that all SMIv2 modules contain exactly one MODULE-IDENTITY definition.

Location
mibs/IETF/SNMPv2-SMI.mib
Reference
RFC 2578

SNMPv2-TC

Defines a common set of TEXTUAL-CONVENTIONs (derived data types) used by most SMIv2 MIBs, as well as the TEXTUAL-CONVENTION MACRO its self. All SMIv2 MIBs defining TEXTUAL-CONVENTIONs or using one of these common types (DisplayString, PhysAddress, MacAddress, TruthValue, TestAndIncr, AutonomousType, InstancePointer, VariablePointer, RowPointer, RowStatus, TimeStamp, TimeInterval, DateAndTime, StorageType, TDomain and TAddress) are required to import from this module. Note that while SMIv2 allows derived data types to be defined using the ASN.1 Type Assignment form (TypeReference ::= Type), it is discouraged.

Location
mibs/IETF/SNMPv2-TC.mib
Reference
RFC 2579

IANAifType-MIB

Defines the IANAifType TEXTUAL-CONVENTION, which contains the registered interface types used by the ifType object of MIB-II. Most SNMP agents implement at least the Interfaces Table of MIB-II, and therefore also the ifType object. New interface types are defined periodically, and the version installed with MIB Smithy may lag behind from time to time. The latest version of this MIB can always be downloaded from the IANA (Internet Assigned Numbers Authority web site.

Location
mibs/IANA/IANAifType-MIB.mib
Reference
IANA

IP-MIB

The MIB module for managing IP and ICMP implementations, but excluding their management of IP routes. This module is part of MIB-II, and obsoletes the version defined by RFC 1213.

Location
mibs/IETF/IP-MIB.mib
Reference
RFC 2011

TCP-MIB

The MIB module for managing TCP implementations. This module is part of MIB-II, and obsoletes the version defined by RFC 1213.

Location
mibs/IETF/TCP-MIB.mib
Reference
RFC 2012

UDP-MIB

The MIB module for managing UDP implementations. This module is part of MIB-II, and obsoletes the version defined by RFC 1213.

Location
mibs/IETF/UDP-MIB.mib
Reference
RFC 2013

SNMP-COMMUNITY-MIB

This MIB module defines objects to help support coexistence between SNMPv1, SNMPv2c, and SNMPv3.

Location
mibs/IETF/SNMP-COMMUNITY-MIB.mib
Reference
RFC 2576

IF-MIB

The MIB module to describe generic objects for network interface sub-layers. This MIB is an updated version of MIB-II's ifTable that obsoletes the version defined by RFC 1213 and incorporates the extensions defined in RFC 1229.

Location
mibs/IETF/IF-MIB.mib
Reference
RFC 2863

SNMP-FRAMEWORK-MIB

The SNMP Management Architecture MIB. Obsoletes RFC 2571.

Location
mibs/IETF/SNMP-FRAMEWORK-MIB.mib
Reference
RFC 3411

SNMP-MPD-MIB

The MIB for Message Processing and Dispatching. Obsoletes RFC 2572.

Location
mibs/IETF/SNMP-MPD-MIB.mib
Reference
RFC 3412

SNMP-TARGET-MIB & SNMP-NOTIFICATION-MIB.mib

These MIB modules define MIB objects that provide mechanisms to remotely configure the parameters used by an SNMP entity for the generation of SNMP messages. Obsoletes RFC 2573.

Location
  • mibs/IETF/SNMP-TARGET-MIB.mib
  • mibs/IETF/SNMP-NOTIFICATION-MIB.mib
Reference

SNMP-USER-BASED-SM-MIB

The management information definitions for the User-based Security Model used by SNMPv3. Obsoletes RFC 2574.

Location
mibs/IETF/SNMP-USER-BASED-SM-MIB.mib
Reference
RFC 3414

SNMP-VIEW-BASED-ACM-MIB

The management information definitions for the View-based Access Control Model for SNMP.

Location
mibs/IETF/SNMP-VIEW-BASED-ACM-MIB.mib
Reference
RFC 3415

SNMPv2-MIB

The MIB module for SNMP entities. Contains definitions for the system group, among other things, which are required for every SNMP implementation.

Location
mibs/IETF/SNMPv2-MIB.mib
Reference
RFC 3418
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