TPLINK-SYSMONITOR-MIB

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Organization: TPLINK

Last Updated: 2012-12-11

Category: Hardware and Power Management, Network Monitoring and Statistics, System Logging and Diagnostics

Description: Monitors TP-Link switch CPU utilization, memory usage, and system resource health statistics.

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What Is TPLINK-SYSMONITOR-MIB?

TPLINK-SYSMONITOR-MIB is a TP-Link private enterprise MIB used to monitor system resource health on TP-Link managed switches. It exposes system-level performance data such as CPU utilization, memory usage, and overall resource consumption statistics rather than interface or configuration data. Its primary purpose is monitoring hardware and software status: administrators poll it to track CPU load and memory usage trends and detect resource exhaustion before it causes a switch to become unresponsive. As a private vendor MIB it has no strong dependency on other standard MIBs, though it is typically deployed alongside MIB-II and IF-MIB for a complete picture of the device. It is used in small-to-midsize business and enterprise LANs where TP-Link switches are polled by network monitoring tools like Zabbix, PRTG, or LibreNMS. Engineers can download the TPLINK-SYSMONITOR-MIB file directly to load it into their MIB browser.

IPNetwork Monitor allows you to monitor SNMP objects defined in TPLINK-SYSMONITOR-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

TP-Link managed switch

Monitoring Examples

No object names were provided in the sample data for this module, so specific object identifiers cannot be cited here. Based on its stated purpose, an admin would typically poll CPU utilization and memory usage percentage objects at regular intervals to build a baseline for a switch. A sustained climb in CPU or memory utilization, or a value approaching 100%, would indicate the switch is under heavy load or affected by a firmware issue, prompting closer investigation before the device drops packets or becomes unmanageable.

What Can Be Monitored

CPU utilization
memory usage
system resource health statistics

Imported Objects

From SNMPv2-SMI

MODULE-IDENTITY
NOTIFICATION-TYPE
OBJECT-TYPE

From TPLINK-MIB

tplinkMgmt

OBJECT-IDENTITY

How to Use in IPNetwork Monitor

Example using tpSysMonitorCpu5Seconds OID:

Select a TP-Link managed switch (CPU/memory resource-utilization status) 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 tpSysMonitorCpu5Seconds into the Find box to locate it in the OID tree, selecting the specific row/instance you want to monitor since this is a table column, then select it and click OK. Displays the CPU utilization in 5 seconds. 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 INTEGER-type OID, Value bounds is the most useful condition here — trigger an alert if utilization exceeds 85%, a common warning threshold before sustained high load affects performance. Click Finish to create the monitor; you can adjust any parameter later.

OIDs

OID symbolic	OID numeric	Type	Access	Description
tplinkSysMonitorMIB	1.3.6.1.4.1.11863.6.4			Private MIB for System Monitor.
tplinkSysMonitorMIBObjects	1.3.6.1.4.1.11863.6.4.1
tpSysMonitorCpu	1.3.6.1.4.1.11863.6.4.1.1
tpSysMonitorCpuTable	1.3.6.1.4.1.11863.6.4.1.1.1		not-accessible	Displays the CPU utilization of all UNITs.
tpSysMonitorCpuEntry	1.3.6.1.4.1.11863.6.4.1.1.1.1		not-accessible	An entry contains of the information of CPU utilization.
INT tpSysMonitorCpuUnitNumber	1.3.6.1.4.1.11863.6.4.1.1.1.1.1	INTEGER	read-only	Displays the UNIT number.
INT tpSysMonitorCpu5SecondsEx	1.3.6.1.4.1.11863.6.4.1.1.1.1.2	INTEGER	read-only	Displays the CPU utilization in 5 seconds.
INT tpSysMonitorCpu1Minute	1.3.6.1.4.1.11863.6.4.1.1.1.1.3	INTEGER	read-only	Displays the CPU utilization in 1 minute.
INT tpSysMonitorCpu5Minutes	1.3.6.1.4.1.11863.6.4.1.1.1.1.4	INTEGER	read-only	Displays the CPU utilization in 5 minutes.
tpSysMonitorMemory	1.3.6.1.4.1.11863.6.4.1.2
tpSysMonitorMemoryTable	1.3.6.1.4.1.11863.6.4.1.2.1		not-accessible	Displays the memory utilization of all UNITs.
tpSysMonitorMemoryEntry	1.3.6.1.4.1.11863.6.4.1.2.1.1		not-accessible	An entry contains of the information of memory utilization.
INT tpSysMonitorMemoryUnitNumber	1.3.6.1.4.1.11863.6.4.1.2.1.1.1	INTEGER	read-only	Displays the UNIT number.
INT tpSysMonitorMemoryUtilization	1.3.6.1.4.1.11863.6.4.1.2.1.1.2	INTEGER	read-only	Displays the memory utilization.
tplinkSysMonitorNotifications	1.3.6.1.4.1.11863.6.4.2
NTF tpSysMonitorCpuOverLoading	1.3.6.1.4.1.11863.6.4.2.1			CPU utilization reached the threshold.
NTF tpSysMonitorMemoryOverLoading	1.3.6.1.4.1.11863.6.4.2.2			Memory utilization reached the threshold.

RFC description

TP-LINK system monitoring MIB for CPU and memory utilization tracking across switch units.

Start monitoring TP-Link managed switch (CPU/memory resource-utilization status) 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 TPLINK-SYSMONITOR-MIB