All MIBs › SNMP-FRAMEWORK-MIB
Organization: IETF SNMPv3 Working Group
Last Updated: 2002-10-14
Category: SNMP Framework
Description:
Defines managed objects that describe the SNMP management architecture framework, including the SNMP engine identification, number of boots, and maximum message size.
Imported Objects
From SNMPv2-SMI
| Integer32 | |
| MODULE-IDENTITY | |
| OBJECT-TYPE | |
| snmpModules |
From SNMPv2-TC
| TEXTUAL-CONVENTION |
What Is SNMP-FRAMEWORK-MIB?
SNMP-FRAMEWORK-MIB is a vendor-neutral IETF standards module (RFC 3411) that defines the managed objects describing the SNMP engine itself — the architectural framework underlying all SNMPv3 message processing on a device. It exposes objects covering the local SNMP engine's identity (snmpEngineID), its boot counter and clock (snmpEngineBoots, snmpEngineTime), and protocol-level configuration such as the maximum message size it will accept (snmpEngineMaxMessageSize). Rather than monitoring hardware sensors or application processes, this module's role in device monitoring is narrower: it lets an operator verify the health and identity of the SNMPv3 agent process itself, confirming the engine hasn't unexpectedly reset (via snmpEngineBoots incrementing) or that its clock/time values are within the window SNMPv3 authentication requires. Because SNMPv3 security depends on this framework, essentially all SNMPv3-capable modules and applications rely on the definitions here, and the module is defined as part of RFC 3411's SNMP management architecture alongside the USM and VACM MIBs. It is present on virtually every SNMPv3-capable device, from routers and switches to servers, as part of the SNMP agent's own self-description rather than of any specific hardware function, which is why snmp-framework-mib is the first place to look when diagnosing SNMPv3 engine-identity or timing issues.
IPNetwork Monitor allows you to monitor SNMP objects defined in SNMP-FRAMEWORK-MIB. Use the built-in SNMP Monitoring Browser to explore available variables, view their current values and descriptions, and select the objects you want to monitor. You can then create SNMP monitors, configure thresholds, and receive alerts when monitored values change.
What Can Be Monitored
- SNMP engine identity
- SNMP engine boot count
- SNMP engine time/clock
- maximum SNMP message size
Supported Devices
- vendor-neutral, standards-based MIB, not tied to a specific manufacturer
- applies to any SNMPv3-capable network device
Monitoring Examples
An administrator troubleshooting SNMPv3 authentication failures would poll snmpEngineID to confirm the agent's unique identity and snmpEngineBoots/snmpEngineTime to check whether the engine's boot count or clock has drifted out of the time window peers expect, which is a common cause of USM authentication rejections. They might also check snmpEngineMaxMessageSize to confirm the agent's declared maximum PDU size matches what the manager is sending, revealing why large SNMP responses are being truncated or dropped.
OIDs
| OID symbolic | OID numeric | Type | Access | Description |
|---|---|---|---|---|
| snmpFrameworkMIB | 1.3.6.1.6.3.10 | The SNMP Management Architecture MIB. | ||
| snmpFrameworkAdmin | 1.3.6.1.6.3.10.1 | |||
| snmpFrameworkMIBObjects | 1.3.6.1.6.3.10.2 | |||
| snmpEngine | 1.3.6.1.6.3.10.2.1 | |||
| SNM snmpEngineID | 1.3.6.1.6.3.10.2.1.1 | SnmpEngineID | read-only | An SNMP engine's administratively-unique identifier. |
| I32 snmpEngineBoots | 1.3.6.1.6.3.10.2.1.2 | Integer32 | read-only | The number of times that the SNMP engine has (re-)initialized. |
| I32 snmpEngineTime | 1.3.6.1.6.3.10.2.1.3 | Integer32 | read-only | The number of seconds since the value of the snmpEngineBoots object last changed. |
| I32 snmpEngineMaxMessageSize | 1.3.6.1.6.3.10.2.1.4 | Integer32 | read-only | The maximum length in octets of an SNMP message. |
| snmpFrameworkMIBConformance | 1.3.6.1.6.3.10.3 |
RFC description
SNMP engine and framework MIB defining SNMP protocol parameters, context engines, and user-based security models (RFC 3411).
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