LANPLEX-MIB-1-2-9

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › LANPLEX-MIB-1-2-9

Category: Switch Management

Description: Manages configuration and operational status of SynOptics LANplex network switches.

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What Is LANPLEX-MIB-1-2-9?

LANPLEX-MIB is a vendor-specific MIB for SynOptics (later Bay Networks) LANplex modular network switches, a chassis-based Ethernet/token-ring switching platform from the 1990s. Without a captured module description or sample objects, its general scope -- consistent with its short description -- is configuration and operational status of the LANplex chassis, its switching modules, and ports. Such management MIBs for chassis switches of this era typically expose module/slot presence and status, port operational state, and basic traffic or error counters, supporting monitoring of hardware health (module up/down, port link status) alongside switch configuration. It would have been used alongside SynOptics' broader hub/chassis management framework and possibly standard bridge/interface MIBs of the time. It was deployed on SynOptics LANplex chassis switches in enterprise wiring closets and campus networks of that era, where LANPLEX-MIB-1-2-9 SNMP monitoring covered module/slot presence and port link status.

IPNetwork Monitor allows you to monitor SNMP objects defined in LANPLEX-MIB-1-2-9. 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

  • SynOptics/Bay Networks LANplex chassis switch

Monitoring Examples

No sample objects were captured for this MIB, so specific object names cannot be cited; based on its documented purpose, an administrator would typically poll module/slot status tables to confirm each switching module in the LANplex chassis is present and operational, and port tables for link state, to catch a failed module or a downed port before it caused a network outage.

Imported Objects

From RFC-1212

OBJECT-TYPE

From RFC-1215

TRAP-TYPE

From RFC1155-SMI

Counter
NetworkAddress
enterprises

From RFC1213-MIB

DisplayString
OIDs

RFC description

3Com Lanplex hub bridge and network element management for 802 networks.

Start monitoring SynOptics/Bay Networks LANplex chassis 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 LANPLEX-MIB-1-2-9