DES3026-L2MGMT-MIB

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

All MIBs › DES3026-L2MGMT-MIB

Organization: D-Link, Inc.

Last Updated: 2000-07-15

Description: Layer 2 management MIB for D-Link DES-3026 switch covering STP, IGMP snooping, LLDP, QoS, port trunking, loop detection, and VLAN management

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What Is DES3026-L2MGMT-MIB?

DES3026-L2MGMT-MIB is the Layer 2 management MIB for the D-Link DES-3026 switch, covering Spanning Tree Protocol (STP), IGMP snooping, LLDP (Link Layer Discovery Protocol) neighbor discovery, QoS, port trunking (link aggregation), loop detection, and VLAN management. It exposes configuration and status objects across these subsystems so administrators can both configure switch behavior and verify its current Layer 2 operational state. For status monitoring it is valuable for tracking STP port states and topology changes, trunk/link-aggregation member health, loop-detection alarms indicating active network loops, LLDP-discovered neighbor information for topology verification, and IGMP snooping group state for multicast traffic. It is a D-Link enterprise-specific MIB that builds on standard bridging, LLDP, and IGMP snooping concepts, and would typically be used alongside standard BRIDGE-MIB, LLDP-MIB, and IF-MIB for complete switch visibility. It is deployed in small-to-midsize network environments using D-Link DES-3026 switches where administrators need Layer 2 redundancy, multicast, topology discovery, and QoS features monitored via SNMP. Engineers can download the DES3026-L2MGMT-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in DES3026-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 DES-3026 switch

Monitoring Examples

An administrator would poll LLDP neighbor tables to confirm the expected devices are seen on each port, and check STP port state to verify no unexpected blocking/forwarding transitions have occurred that would indicate a topology change or failure. Loop detection status would be monitored for an active-loop condition, and trunk/link-aggregation member tables checked to ensure all physical links in a trunk group remain up. IGMP snooping group membership would be checked to confirm multicast forwarding is scoped correctly to subscribed ports rather than flooding the VLAN.

What Can Be Monitored

  • spanning tree port state
  • LLDP neighbor information
  • link aggregation/trunk member status
  • loop detection alarms
  • IGMP snooping group membership
  • VLAN configuration
Imported Objects

From DLINK-SWPRIMGMT-MIB

des3026OBJECT-IDENTITY

From RFC1155-SMI

IpAddress

From RFC1213-MIB

DisplayString

From SNMPv2-SMI

Integer32
MODULE-IDENTITY
OBJECT-TYPE
Unsigned32

From SNMPv2-TC

RowStatus
TEXTUAL-CONVENTION
TruthValue
OIDs

RFC description

D-Link DES3026 Layer 2 switch management with link aggregation, mirroring, and IGMP.

Start monitoring D-Link DES-3026 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 DES3026-L2MGMT-MIB