DGS3120-48PC-L2MGMT-MIB

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › DGS3120-48PC-L2MGMT-MIB

Organization: D-Link Corp.

Last Updated: 2010-03-03

Category: Technology: PoE, Technology: Switching/L2, Vendor: D-Link

Description: L2 management MIB for D-Link DGS-3120-48PC 48-port PoE switch covering VLANs, STP, port security, and L2 features.

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What Is DGS3120-48PC-L2MGMT-MIB?

This is a D-Link enterprise MIB providing Layer 2 management for the DGS-3120-48PC, a 48-port Gigabit PoE switch aimed at enterprise access-layer deployments. It exposes VLAN configuration, Spanning Tree Protocol state, port security settings, and other Layer 2 switching features as manageable objects. It is used mainly to monitor and configure switch software/configuration status, such as VLAN membership and STP topology, which helps detect misconfiguration or loops rather than reporting physical hardware faults. It likely depends on standard bridging MIBs (BRIDGE-MIB) and IF-MIB for base interface data that this module extends with vendor-specific L2 objects. Typical deployment is in enterprise wiring closets or PoE-powered access switch stacks requiring centralized SNMP-based L2 management. Engineers can download the DGS3120-48PC-L2MGMT-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in DGS3120-48PC-L2MGMT-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.

Supported Devices

  • D-Link DGS-3120-48PC PoE switch

Monitoring Examples

No sample object names were provided for this MIB, so a specific polling example with real object names cannot be given without inventing them. Broadly, an admin would poll VLAN and STP-related tables in a module like this to confirm ports are in the expected forwarding or blocking state. This entry reflects only the general scope implied by the description since no object list was supplied.

Imported Objects

From DLINK-ID-REC-MIB

AgentNotifyLevel

From PORT-SECURITY-MIB

swPortSecPortIndexOBJECT-TYPE

From RFC1155-SMI

Counter

From SNMPv2-SMI

Integer32
IpAddress
MODULE-IDENTITY
OBJECT-TYPE
TimeTicks
Unsigned32

From SNMPv2-TC

DisplayString
RowStatus
TEXTUAL-CONVENTION
TruthValue

From SWDGS3120PRIMGMT-MIB

dlink-Dgs3120Proj-Dgs3120-48PC
OIDs

RFC description

Layer 2 management MIB for D-Link DGS-3120-48PC 48-port Gigabit switch with PoE.

Start monitoring D-Link DGS-3120-48PC PoE switch with a free 30-day trial of IPNetwork Monitor. Import MIBs, browse SNMP OIDs, create custom SNMP monitors, configure alerts, and monitor any SNMP-enabled network device from a single console.

Download DGS3120-48PC-L2MGMT-MIB