All MIBs › HUAWEI-LswTRAP-MIB
Last Updated: 2011-11-26
Category: Alarm and Event Management, Technology: Switching/L2, Vendor: Huawei
Description: Huawei LAN switch trap definitions MIB providing SNMP notification objects for switch hardware and software events.
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What Is HUAWEI-LswTRAP-MIB?
HUAWEI-LswTRAP-MIB is a Huawei-proprietary MIB defining SNMP trap/notification objects for events on Huawei LAN switches (the "Lsw" naming reflects Huawei's legacy LAN-switch product family). Its data category is notifications: it carries variable bindings sent when the switch detects hardware events (such as port link up/down, power or fan issues) or software events (such as configuration changes or process errors) worth alerting an NMS about. As a trap-definition MIB its monitoring value is in real-time fault alerting rather than periodic polling, giving visibility into switch hardware status (link/port state changes, potentially environmental faults) and software status (configuration or process-level events) as they occur. It typically relies on the standard SNMPv2 notification framework (SNMPv2-TC/SNMPv2-CONF) and Huawei's switch object MIBs that define the entities referenced by these traps. It is deployed on Huawei LAN switches in enterprise and campus networks where an NMS needs immediate notification of switch hardware or software events rather than only polled data. Network engineers evaluating or troubleshooting this functionality can download the HUAWEI-LswTRAP-MIB file directly to load it into their MIB browser.
IPNetwork Monitor allows you to monitor SNMP objects defined in HUAWEI-LswTRAP-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
- Huawei LAN switches
Monitoring Examples
An NMS receiving SNMP traps from a Huawei LAN switch would use this MIB to decode the notification's variable bindings, translating an incoming trap OID into a specific event such as a port going down or a hardware fault being detected. No sample object names or module description text were provided for this module, so no specific trap names can be cited, but the short description confirms its scope is switch hardware and software event notifications. A burst of link-down traps across multiple ports in a short window would typically indicate a power or uplink failure rather than isolated cabling issues.
What Can Be Monitored
- port link up/down event notifications
- hardware fault event notifications
- software/configuration event notifications
Imported Objects
From HUAWEI-3COM-OID-MIB
| lswCommon | OBJECT-IDENTITY |
| hwLswFrameIndex | OBJECT-TYPE |
| hwLswSlotIndex | OBJECT-TYPE |
| hwLswSubslotIndex | OBJECT-TYPE |
From HUAWEI-LswDEVM-MIB
| hwDevMFanNum | OBJECT-TYPE |
| hwDevMFirstTrapTime | |
| hwDevMPowerNum | OBJECT-TYPE |
From SNMPv2-SMI
| MODULE-IDENTITY | |
| NOTIFICATION-TYPE |
OIDs
RFC description
Defines SNMP traps for LAN switch events including power supply failures and device state changes.
Start monitoring Huawei LAN switch (hardware/software event traps) 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.