DES3010g-L2MGMT-MIB

MIB Reference — IPNetwork Monitor · Updated October 05, 2026

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Organization: D-Link, Inc.

Last Updated: 2000-07-15

Description: Layer 2 management MIB for D-Link DES-3010G switch covering STP, IGMP snooping, LLDP, QoS bandwidth control, port trunking, and loop detection

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What Is DES3010g-L2MGMT-MIB?

DES3010g-L2MGMT-MIB is a private D-Link MIB for the DES-3010G switch, aggregating Layer 2 management functionality including Spanning Tree Protocol, IGMP snooping, LLDP neighbor discovery, QoS bandwidth control, port trunking/link aggregation, and loop detection. It exposes primarily configuration and operational-state data for these switching features rather than raw hardware sensors, letting an administrator confirm which L2 protocols are enabled and their current operating state per port or VLAN. Its monitoring role is centered on software/protocol status: whether STP is blocking or forwarding on a port, IGMP snooping group membership, LLDP neighbor visibility, trunk group membership, and whether loop detection has flagged a port, all of which are key indicators of switching-layer health and misconfiguration rather than physical hardware faults. It builds on standard bridge/STP and IGMP snooping concepts (aligned with IEEE 802.1D/802.1w and related IETF work) layered with D-Link-specific extensions. It is typically deployed on D-Link DES-3010G unmanaged-to-managed Fast Ethernet switches in SMB network closets. Network engineers evaluating or troubleshooting this functionality can download the DES3010g-L2MGMT-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in DES3010g-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-3010G Layer 2 managed switch

Monitoring Examples

No object or table names were provided in the source for this module, so specific object-level polling cannot be grounded in real identifiers; however, given the stated scope, an administrator would typically check per-port STP state, IGMP snooping group tables, and loop-detection status to confirm a port hasn't been blocked due to a detected network loop. Trunk group membership and LLDP neighbor tables would be reviewed when validating topology after a cabling change.

What Can Be Monitored

  • per-port STP state
  • IGMP snooping group membership
  • LLDP neighbor information
  • port trunk/link aggregation status
  • loop-detection status
  • QoS bandwidth control settings
Imported Objects

From DLINK-SWPRIMGMT-MIB

des3010gOBJECT-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

How to Use in IPNetwork Monitor

Example using swL2CPUutilizationIn5sec OID:

Select a D-Link DES-3010G Layer 2 managed switch as the target host to create a monitor — the SNMP service should be up and running on it. Click New Monitor, then check SNMP Custom on the Favorites tab, click Next, and confirm the host. On the next page, click Select... to open the built-in SNMP MIB Browser and type swL2CPUutilizationIn5sec into the Find box to locate it in the OID tree, then select it and click OK. It reports the switch's CPU utilization, averaged over a 5-second time scale, as a percentage (0% idle to 100% very busy). On the monitor's Main parameters page you can set the target's SNMP port (default 161), credentials, polling interval, and other settings — see the SNMP Monitor help for details. On the State conditions and Alerting tabs, configure when the monitor should change state and trigger an alert; since this is an Integer32-type OID, Value bounds is the most useful condition here — trigger an alert if CPU utilization exceeds 85%, a common warning threshold before sustained high load affects switching performance. Click Finish to create the monitor; you can adjust any parameter later.
OIDs

RFC description

D-Link Layer 2 switch management for link aggregation, port mirroring, and IGMP snooping.

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Download DES3010g-L2MGMT-MIB