TP-LINK SNMP
Macros used
| Name | Value |
|---|---|
| {$CPU.UTIL.CRIT} | 90 |
| {$ICMP_LOSS_WARN} | 20 |
| {$ICMP_RESPONSE_TIME_WARN} | 0.15 |
| {$IF.ERRORS.WARN} | 2 |
| {$IF.UTIL.MAX} | 95 |
| {$IFCONTROL} | 1 |
| {$MEMORY.UTIL.MAX} | 90 |
| {$NET.IF.IFADMINSTATUS.MATCHES} | ^.* |
| {$NET.IF.IFADMINSTATUS.NOT_MATCHES} | ^2$ |
| {$NET.IF.IFDESCR.MATCHES} | .* |
| {$NET.IF.IFDESCR.NOT_MATCHES} | CHANGE_IF_NEEDED |
| {$NET.IF.IFNAME.MATCHES} | ^.*$ |
| {$NET.IF.IFNAME.NOT_MATCHES} | (^Software Loopback Interface|^NULL[0-9.]$|^[Ll]o[0-9.]$|^[Ss]ystem$|^Nu[0-9.]*$|^veth[0-9a-z]+$|docker[0-9]+|br-[a-z0-9]{12}) |
| {$NET.IF.IFOPERSTATUS.MATCHES} | ^.*$ |
| {$NET.IF.IFOPERSTATUS.NOT_MATCHES} | ^6$ |
| {$NET.IF.IFTYPE.MATCHES} | .* |
| {$NET.IF.IFTYPE.NOT_MATCHES} | CHANGE_IF_NEEDED |
| {$SNMP.TIMEOUT} | 5m |
Items collected
| Name | Description | Type | Interval | Key and additional info |
|---|---|---|---|---|
| ICMP ping | - | SIMPLE | - | icmpping |
| ICMP loss | - | SIMPLE | - | icmppingloss |
| ICMP response time | - | SIMPLE | - | icmppingsec |
| SNMP traps (fallback) | The item is used to collect all SNMP traps unmatched by other snmptrap items | SNMP_TRAP | - | snmptrap.fallback |
| System contact details | MIB: SNMPv2-MIB The textual identification of the contact person for this managed node, together with information on how to contact this person. If no contact information is known, the value is the zero-length string. | SNMP_AGENT | 15m | system.contact[sysContact.0] |
| System description | MIB: SNMPv2-MIB A textual description of the entity. This value should include the full name and version identification of the system's hardware type, software operating-system, and networking software. | SNMP_AGENT | 15m | system.descr[sysDescr.0] |
| Firmware version | MIB: TPLINK-SYSINFO-MIB The software version of the product. | SNMP_AGENT | 1h | system.hw.firmware |
| Hardware model name | MIB: TPLINK-SYSINFO-MIB The hardware version of the product. | SNMP_AGENT | 1h | system.hw.model |
| Hardware serial number | MIB: TPLINK-SYSINFO-MIB The Serial number of the product. | SNMP_AGENT | 1h | system.hw.serialnumber |
| Hardware version(revision) | MIB: TPLINK-SYSINFO-MIB The hardware version of the product. | SNMP_AGENT | 1h | system.hw.version |
| System location | MIB: SNMPv2-MIB The physical location of this node (e.g., `telephone closet, 3rd floor'). If the location is unknown, the value is the zero-length string. | SNMP_AGENT | 15m | system.location[sysLocation.0] |
| System name | MIB: SNMPv2-MIB An administratively-assigned name for this managed node.By convention, this is the node's fully-qualified domain name. If the name is unknown, the value is the zero-length string. | SNMP_AGENT | 15m | system.name |
| System object ID | MIB: SNMPv2-MIB The vendor's authoritative identification of the network management subsystem contained in the entity. This value is allocated within the SMI enterprises subtree (1.3.6.1.4.1) and provides an easy and unambiguous means for determiningwhat kind of box' is being managed. For example, if vendorFlintstones, Inc.' was assigned the subtree1.3.6.1.4.1.4242, it could assign the identifier 1.3.6.1.4.1.4242.1.1 to its `Fred Router'. | SNMP_AGENT | 15m | system.objectid[sysObjectID.0] |
| Uptime | MIB: SNMPv2-MIB The time (in hundredths of a second) since the network management portion of the system was last re-initialized. | SNMP_AGENT | 30s | system.uptime[sysUpTime.0] |
| SNMP agent availability | Availability of SNMP checks on the host. The value of this item corresponds to availability icons in the host list. Possible value: 0 - not available 1 - available 2 - unknown | INTERNAL | - | zabbix[host,snmp,available] |
Triggers
| Name | Description | Expression | Priority | Dependencies |
|---|---|---|---|---|
| Unavailable by ICMP ping | Last three attempts returned timeout. Please check device connectivity. | max(/TP-LINK SNMP/icmpping,#3)=0 | HIGH ⛔ | ICMP ping |
| High ICMP ping loss | - | min(/TP-LINK SNMP/icmppingloss,5m)>{$ICMP_LOSS_WARN} and min(/TP-LINK SNMP/icmppingloss,5m)<100 | WARNING 📢 | ICMP loss |
| High ICMP ping response time | - | avg(/TP-LINK SNMP/icmppingsec,5m)>{$ICMP_RESPONSE_TIME_WARN} | WARNING 📢 | ICMP response time |
| Firmware has changed | Firmware version has changed. Ack to close | last(/TP-LINK SNMP/system.hw.firmware,#1)<>last(/TP-LINK SNMP/system.hw.firmware,#2) and length(last(/TP-LINK SNMP/system.hw.firmware))>0 | INFO 🔔 | Firmware version |
| Device has been replaced | Device serial number has changed. Ack to close | last(/TP-LINK SNMP/system.hw.serialnumber,#1)<>last(/TP-LINK SNMP/system.hw.serialnumber,#2) and length(last(/TP-LINK SNMP/system.hw.serialnumber))>0 | INFO 🔔 | Hardware serial number |
| System name has changed | System name has changed. Ack to close. | last(/TP-LINK SNMP/system.name,#1)<>last(/TP-LINK SNMP/system.name,#2) and length(last(/TP-LINK SNMP/system.name))>0 | INFO 🔔 | System name |
| has been restarted | Uptime is less than 10 minutes. | last(/TP-LINK SNMP/system.uptime[sysUpTime.0])<10m | WARNING 📢 | Uptime |
| No SNMP data collection | SNMP is not available for polling. Please check device connectivity and SNMP settings. | max(/TP-LINK SNMP/zabbix[host,snmp,available],{$SNMP.TIMEOUT})=0 | WARNING 📢 | SNMP agent availability |
Discovery rule №1
| Name | Description | Type | Interval | Key and additional info |
|---|---|---|---|---|
| CPU Discovery | Discovering TPLINK-SYSMONITOR-MIB::tpSysMonitorCpuTable, displays the CPU utilization of all UNITs. | SNMP_AGENT | 1h | cpu.discovery |
Item prototypes
| Name | Description | Type | Interval | Key and additional info |
|---|---|---|---|---|
| #{#SNMPVALUE}: CPU utilization | MIB: TPLINK-SYSMONITOR-MIB Displays the CPU utilization in 1 minute. Reference: http://www.tp-link.com/faq-1330.html | SNMP_AGENT | - | system.cpu.util[tpSysMonitorCpu1Minute.{#SNMPINDEX}] |
Trigger prototypes
| Name | Description | Expression | Priority | Dependencies |
|---|---|---|---|---|
| #{#SNMPVALUE}: High CPU utilization | CPU utilization is too high. The system might be slow to respond. | min(/TP-LINK SNMP/system.cpu.util[tpSysMonitorCpu1Minute.{#SNMPINDEX}],5m)>{$CPU.UTIL.CRIT} | WARNING 📢 | #{#SNMPVALUE}: CPU utilization |
Discovery rule №2
| Name | Description | Type | Interval | Key and additional info |
|---|---|---|---|---|
| Memory Discovery | Discovering TPLINK-SYSMONITOR-MIB::tpSysMonitorMemoryTable, displays the memory utilization of all UNITs. | SNMP_AGENT | 1h | memory.discovery |
Item prototypes
| Name | Description | Type | Interval | Key and additional info |
|---|---|---|---|---|
| #{#SNMPVALUE}: Memory utilization | MIB: TPLINK-SYSMONITOR-MIB Displays the memory utilization. Reference: http://www.tp-link.com/faq-1330.html | SNMP_AGENT | - | vm.memory.util[tpSysMonitorMemoryUtilization.{#SNMPINDEX}] |
Trigger prototypes
| Name | Description | Expression | Priority | Dependencies |
|---|---|---|---|---|
| #{#SNMPVALUE}: High memory utilization | The system is running out of free memory. | min(/TP-LINK SNMP/vm.memory.util[tpSysMonitorMemoryUtilization.{#SNMPINDEX}],5m)>{$MEMORY.UTIL.MAX} | AVERAGE ⚠ | #{#SNMPVALUE}: Memory utilization |
Discovery rule №3
| Name | Description | Type | Interval | Key and additional info |
|---|---|---|---|---|
| Network interfaces discovery | Discovering interfaces from IF-MIB. | SNMP_AGENT | 1h | net.if.discovery |
Item prototypes
| Name | Description | Type | Interval | Key and additional info |
|---|---|---|---|---|
| Interface {#IFDESCR}: Inbound packets discarded | MIB: IF-MIB The number of inbound packets which were chosen to be discarded even though no errors had been detected to prevent their being deliverable to a higher-layer protocol. One possible reason for discarding such a packet could be to free up buffer space. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime. | SNMP_AGENT | 3m | net.if.in.discards[ifInDiscards.{#SNMPINDEX}] |
| Interface {#IFDESCR}: Inbound packets with errors | MIB: IF-MIB For packet-oriented interfaces, the number of inbound packets that contained errors preventing them from being deliverable to a higher-layer protocol. For character-oriented or fixed-length interfaces, the number of inbound transmission units that contained errors preventing them from being deliverable to a higher-layer protocol. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime. | SNMP_AGENT | 3m | net.if.in.errors[ifInErrors.{#SNMPINDEX}] |
| Interface {#IFDESCR}: Bits received | MIB: IF-MIB The total number of octets received on the interface,including framing characters. Discontinuities in the value of this counter can occur at re-initialization of the management system, and atother times as indicated by the value of ifCounterDiscontinuityTime. | SNMP_AGENT | 3m | net.if.in[ifInOctets.{#SNMPINDEX}] |
| Interface {#IFDESCR}: Outbound packets discarded | MIB: IF-MIB The number of outbound packets which were chosen to be discarded even though no errors had been detected to prevent their being deliverable to a higher-layer protocol. One possible reason for discarding such a packet could be to free up buffer space. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime. | SNMP_AGENT | 3m | net.if.out.discards[ifOutDiscards.{#SNMPINDEX}] |
| Interface {#IFDESCR}: Outbound packets with errors | MIB: IF-MIB For packet-oriented interfaces, the number of outbound packets that contained errors preventing them from being deliverable to a higher-layer protocol. For character-oriented or fixed-length interfaces, the number of outbound transmission units that contained errors preventing them from being deliverable to a higher-layer protocol. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime. | SNMP_AGENT | 3m | net.if.out.errors[ifOutErrors.{#SNMPINDEX}] |
| Interface {#IFDESCR}: Bits sent | MIB: IF-MIB The total number of octets transmitted out of the interface, including framing characters. Discontinuities in the value of this counter can occur at re-initialization of the management system, and at other times as indicated by the value of ifCounterDiscontinuityTime. | SNMP_AGENT | 3m | net.if.out[ifOutOctets.{#SNMPINDEX}] |
| Interface {#IFDESCR}: Speed | MIB: IF-MIB An estimate of the interface's current bandwidth in bits per second. For interfaces which do not vary in bandwidth or for those where no accurate estimation can be made, this object should contain the nominal bandwidth. If the bandwidth of the interface is greater than the maximum value reportable by this object then this object should report its maximum value (4,294,967,295) and ifHighSpeed must be used to report the interface's speed. For a sub-layer which has no concept of bandwidth, this object should be zero. | SNMP_AGENT | 5m | net.if.speed[ifSpeed.{#SNMPINDEX}] |
| Interface {#IFDESCR}: Operational status | MIB: IF-MIB The current operational state of the interface. - The testing(3) state indicates that no operational packet scan be passed - If ifAdminStatus is down(2) then ifOperStatus should be down(2) - If ifAdminStatus is changed to up(1) then ifOperStatus should change to up(1) if the interface is ready to transmit and receive network traffic - It should change todormant(5) if the interface is waiting for external actions (such as a serial line waiting for an incoming connection) - It should remain in the down(2) state if and only if there is a fault that prevents it from going to the up(1) state - It should remain in the notPresent(6) state if the interface has missing(typically, hardware) components. | SNMP_AGENT | - | net.if.status[ifOperStatus.{#SNMPINDEX}] |
| Interface {#IFDESCR}: Interface type | MIB: IF-MIB The type of interface. Additional values for ifType are assigned by the Internet Assigned Numbers Authority (IANA), through updating the syntax of the IANAifType textual convention. | SNMP_AGENT | 1h | net.if.type[ifType.{#SNMPINDEX}] |
Trigger prototypes
| Name | Description | Expression | Priority | Dependencies |
|---|---|---|---|---|
| Interface {#IFDESCR}: Link down | This trigger expression works as follows: 1. Can be triggered if operations status is down. 2. {$IFCONTROL:"{#IFNAME}"}=1 - user can redefine Context macro to value - 0. That marks this interface as not important. No new trigger will be fired if this interface is down. 3. {TEMPLATE_NAME:METRIC.diff()}=1) - trigger fires only if operational status was up(1) sometime before. (So, do not fire 'ethernal off' interfaces.) WARNING: if closed manually - won't fire again on next poll, because of .diff. | {$IFCONTROL:"{#IFNAME}"}=1 and last(/TP-LINK SNMP/net.if.status[ifOperStatus.{#SNMPINDEX}])=2 and (last(/TP-LINK SNMP/net.if.status[ifOperStatus.{#SNMPINDEX}],#1)<>last(/TP-LINK SNMP/net.if.status[ifOperStatus.{#SNMPINDEX}],#2)) | AVERAGE ⚠ | Interface {#IFDESCR}: Operational status |