DGS-3120-48PC-L3MGMT-MIB

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › DGS-3120-48PC-L3MGMT-MIB

Last Updated: 2012-11-16

Category: Technology: PoE, Technology: Routing/L3, Vendor: D-Link

Description: L3 management MIB for D-Link DGS-3120-48PC 48-port PoE switch covering Layer 3 routing and advanced management features.

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What Is DGS-3120-48PC-L3MGMT-MIB?

This proprietary D-Link MIB defines Layer 3 network management information for the DGS-3120-48PC, a 48-port PoE Gigabit switch with routing capability, covering configuration of routing protocols, ACLs, and other L3 features layered on top of its L2 switching function. Rather than raw traffic counters, it exposes L3 protocol and routing-configuration state specific to this switch's advanced feature set. As a monitoring target it is used to verify the health and correctness of routing-plane configuration, confirming routing protocol adjacencies, route table state, and L3 ACL enforcement are behaving as intended on a switch that also has to manage PoE power delivery to connected endpoints. It is a proprietary companion to D-Link's L2-management and resource-management MIBs for the same switch family rather than an IETF standard, and typically complements standard routing MIBs (e.g., OSPF-MIB) where applicable. It is deployed on DGS-3120-48PC switches in campus or building-distribution layers requiring both PoE endpoint power and Layer 3 routing between VLANs, and administrators can download the DGS-3120-48PC-L3MGMT-MIB file to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in DGS-3120-48PC-L3MGMT-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 or table names were provided for this module in the supplied excerpt, so a concrete OID-level example cannot be given. Based on sibling D-Link L3MGMT MIBs (e.g., DVMRP interface tables and OSPF ECMP objects seen in the DGS3000-series L3MGMT modules), a realistic scenario would involve polling routing-interface and route-preference tables to confirm routes are correctly learned and installed. This description is inferred from the module's stated purpose since no named objects were supplied.

What Can Be Monitored

  • Layer 3 routing configuration state
  • ACL enforcement status
  • routing protocol status
  • PoE port power status
Imported Objects

From IPV6-TC

Ipv6Address

From SNMPv2-SMI

Counter32
Integer32
IpAddress
MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

DisplayString
PhysAddress
RowStatus
TruthValue

From SWDGS3120PRIMGMT-MIB

dlink-Dgs3120Proj-Dgs3120-48PC
OIDs

RFC description

D-Link DGS-3120-48PC switch vendor MIB for Layer 3 management including routing, IP configuration, and DHCP.

Start monitoring D-Link DGS-3120-48PC PoE switch (L3) 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 DGS-3120-48PC-L3MGMT-MIB