DGS3120-24SC-DC-L2MGMT-MIB

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › DGS3120-24SC-DC-L2MGMT-MIB

Organization: D-Link Corp.

Last Updated: 2010-03-03

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

Description: L2 management MIB for D-Link DGS-3120-24SC DC-powered SFP switch covering VLANs, STP, and L2 management.

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What Is DGS3120-24SC-DC-L2MGMT-MIB?

DGS3120-24SC-DC-L2MGMT-MIB is a D-Link structural MIB that organizes the Layer 2 management object identifiers for the DGS-3120-24SC, a DC-powered SFP Gigabit Ethernet switch aimed at telecom and industrial deployments. Rather than defining runtime data itself, it establishes the OID hierarchy under which subordinate L2 feature MIBs (VLAN, spanning tree, port security, and similar switching features) are registered and organized. Because it underpins the L2 feature tree, it indirectly supports monitoring of switch software/configuration state such as VLAN membership and STP port roles, though hardware health (temperature, fans, power) is handled by separate D-Link chassis MIBs, not this one. It depends on standard SNMPv2-SMI conventions and is designed to work alongside D-Link's other DGS-3120 series MIB modules. It is typically deployed only on D-Link DGS-3120-24SC-DC switches managed through D-Link's own NMS or generic SNMP tools in carrier and outdoor cabinet environments. Engineers can download the DGS3120-24SC-DC-L2MGMT-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in DGS3120-24SC-DC-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-3120-24SC-DC switch

Monitoring Examples

No object or table names were available in the source excerpt for this module, so no concrete polling example can be given without inventing OIDs. In practice, administrators would use this module's OID tree only as a namespace root, then poll the actual L2 feature MIBs (VLAN and STP tables) registered beneath it for real configuration and state data. Any anomaly detection (e.g., an unexpected VLAN change or STP topology change) would be observed through those subordinate MIBs rather than through this registration module directly.

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-Dgs3120-24SC-DC
OIDs

RFC description

Manages Layer 2 switching operations for D-Link DGS3120 switches including VLAN, port, and traffic control.

Start monitoring D-Link DGS-3120-24SC-DC 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 DGS3120-24SC-DC-L2MGMT-MIB