Time interval for the SNMP availability trigger.

Warning threshold of ICMP packet loss in %.

Warning threshold of the average ICMP response time in seconds.

Warning threshold of memory utilization.

High severity threshold of memory utilization.

Warning threshold of storage utilization.

High severity threshold of storage utilization.

Warning threshold of CPU utilization.

High severity threshold of CPU utilization.

Macro for the operational state of the interface for the link down trigger. Can be used with the interface name as context.

Sets the name regex filter to use in storage discovery for including.

Sets the name regex filter to use in storage discovery for excluding.

Sets the type regex filter to use in storage discovery for including.

Sets the type regex filter to use in storage discovery for excluding.

Sets the OID regex filter to use in CPU discovery for including. Matches hrDeviceProcessor from MIB: HOST-RESOURCES-TYPES - the device type identifier used for a CPU.

Sets the OID regex filter to use in CPU discovery for excluding. Matches hrDeviceProcessor from MIB: HOST-RESOURCES-TYPES - the device type identifier used for a CPU.

Sets the administrative status regex filter to use in network interface discovery for including.

Sets the administrative status regex filter to use in network interface discovery for excluding.

Sets the operative status regex filter to use in network interface discovery for including.

Sets the operative status regex filter to use in network interface discovery for excluding. Ignore notPresent(6).

Sets the name regex filter to use in network interface discovery for including.

Sets the name regex filter to use in network interface discovery for excluding. Filters out loopbacks, nulls, docker veth links, and docker0 bridge by default.

Sets the alias regex filter to use in network interface discovery for including.

Sets the alias regex filter to use in network interface discovery for excluding.

Sets the description regex filter to use in network interface discovery for including.

Sets the description regex filter to use in network interface discovery for excluding.

Sets the type regex filter to use in network interface discovery for including.

Sets the type regex filter to use in network interface discovery for excluding.

The item is used to collect all SNMP traps unmatched by other snmptrap items.

Availability of SNMP checks on the host. The value of this item corresponds to availability icons in the host list.

Possible values:

0 - not available

1 - available

2 - unknown

MIB: SNMPv2-MIB

System name.

MIB: SNMPv2-MIB

System description.

MIB: SNMPv2-MIB

System contact details.

MIB: SNMPv2-MIB

System contact details.

MIB: SNMPv2-MIB

System object ID.

MIB: HOST-RESOURCES-MIB

The amount of time since this host was last initialized. Note that this is different from sysUpTime in the SNMPv2-MIB [RFC1907] because sysUpTime is the uptime of the network management portion of the system.

Preprocessing

• Check for not supported value: any error

  ⛔️Custom on fail: Set value to: 0

• Custom multiplier: 0.01

MIB: DISMAN-EVENT-MIB

Time (in hundredths of a second) since the network management portion of the system was last re-initialized.

Preprocessing

• Custom multiplier: 0.01

MIB: UCD-SNMP-MIB

The total amount of real/physical memory installed on this host.

Preprocessing

• Custom multiplier: 1000

MIB: UCD-SNMP-MIB

The amount of real/physical memory currently unused or available.

Preprocessing

• Custom multiplier: 1000

MIB: UCD-SNMP-MIB

The total amount of real or virtual memory currently allocated for use as memory buffers.

Preprocessing

• Custom multiplier: 1000

MIB: UCD-SNMP-MIB

The total amount of real or virtual memory currently allocated for use as cached memory.

Preprocessing

• Custom multiplier: 1000

Preprocessing

• JavaScript: return Math.round(value * 100) / 100;

MIB: HOST-RESOURCES-MIB

Scanning HOST-RESOURCES-MIB::hrStorageTable.

MIB: HOST-RESOURCES-MIB

Scanning HOST-RESOURCES-MIB::hrDeviceTable.

MIB: IF-MIB

Scanning IF-MIB::ifTable and IF-MIB::ifXTable.

SNMP is not available for polling. Please check device connectivity and SNMP settings.

• Vyatta: Unavailable by ICMP ping

Last three attempts returned timeout. Please check device connectivity.

ICMP packet loss detected.

• Vyatta: Unavailable by ICMP ping

Average ICMP response time is too high.

• Vyatta: High ICMP ping loss
• Vyatta: Unavailable by ICMP ping

Uptime is less than 10 minutes.

• Vyatta: No SNMP data collection

Memory utilization is high.

• Vyatta: Memory utilization is too high

Memory utilization is too high.

HOST-RESOURCES-MIB::hrStorage discovery with storage filter.

Preprocessing

• SNMP walk to JSON

• Discard unchanged with heartbeat: 1h

Preprocessing

• SNMP walk value: 1.3.6.1.2.1.25.2.3.1.5.{#SNMPINDEX}

• Custom multiplier: 1024

• Discard unchanged with heartbeat: 6h

Preprocessing

• SNMP walk value: 1.3.6.1.2.1.25.2.3.1.6.{#SNMPINDEX}

• Custom multiplier: 1024

Preprocessing

• JavaScript: return Math.round(value * 100) / 100;

Storage utilization is high.

• Vyatta: Storage [{#STORAGE_NAME}]: Storage utilization is too high

Storage utilization is too high.

Preprocessing

• SNMP walk to JSON

• Discard unchanged with heartbeat: 1h

MIB: HOST-RESOURCES-MIB

The current operational state of the device described by this row of the table.

* unknown(1) indicates that the current state of the device is unknown.

* running(2) indicates that the device is up and running and that no unusual error conditions are known.

* warning(3) indicates that the agent has been informed of an unusual error condition by the operational software (e.g., a disk device driver) but that the device is still operational.

* testing(4) indicates that the device is not available for use because it is in the testing state.

* down(5) is used only when the agent has been informed that the device is not available for any use.

Preprocessing

• SNMP walk value: 1.3.6.1.2.1.25.3.2.1.5.{#SNMPINDEX}

MIB: HOST-RESOURCES-MIB

The average, over the last minute, of the percentage of time that this processor was not idle.

Preprocessing

• SNMP walk value: 1.3.6.1.2.1.25.3.3.1.2.{#SNMPINDEX}

CPU utilization is too high.

CPU utilization is high.

• Vyatta: CPU [{#DESCRIPTION}][{#SNMPINDEX}]: CPU utilization is too high

CPU utilization is too high.

Preprocessing

• SNMP walk to JSON

  ⛔️Custom on fail: Discard value

• Discard unchanged with heartbeat: 1h

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 to dormant(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

Preprocessing

• SNMP walk value: 1.3.6.1.2.1.2.2.1.8.{#SNMPINDEX}

MIB: IF-MIB

The total number of octets received on the interface, including framing characters. This object is a 64-bit version of ifInOctets. 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.

Preprocessing

• SNMP walk value: 1.3.6.1.2.1.31.1.1.1.6.{#SNMPINDEX}

• Change per second

• Custom multiplier: 8

MIB: IF-MIB

The total number of octets transmitted out of the interface, including framing characters. This object is a 64-bit version of ifOutOctets. 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.

Preprocessing

• SNMP walk value: 1.3.6.1.2.1.31.1.1.1.10.{#SNMPINDEX}

• Change per second

• Custom multiplier: 8

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.

Preprocessing

• SNMP walk value: 1.3.6.1.2.1.2.2.1.14.{#SNMPINDEX}

• Change per second

• Discard unchanged with heartbeat: 3m

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.

Preprocessing

• SNMP walk value: 1.3.6.1.2.1.2.2.1.20.{#SNMPINDEX}

• Change per second

• Discard unchanged with heartbeat: 3m

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.

Preprocessing

• SNMP walk value: 1.3.6.1.2.1.2.2.1.13.{#SNMPINDEX}

• Change per second

• Discard unchanged with heartbeat: 3m

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.

Preprocessing

• SNMP walk value: 1.3.6.1.2.1.2.2.1.19.{#SNMPINDEX}

• Change per second

• Discard unchanged with heartbeat: 3m

MIB: IF-MIB

An estimate of the interface's current bandwidth in units of 1,000,000 bits per second. If this object reports a value of n, then the speed of the interface is somewhere in the range of n-500,000 to n+499,999.

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.

For a sub-layer which has no concept of bandwidth, this object should be zero.

Preprocessing

• SNMP walk value: 1.3.6.1.2.1.31.1.1.1.15.{#SNMPINDEX}

• Custom multiplier: 1000000

• Discard unchanged with heartbeat: 1h

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.

Preprocessing

• SNMP walk value: 1.3.6.1.2.1.2.2.1.3.{#SNMPINDEX}

• Discard unchanged with heartbeat: 1d

This trigger expression works as follows:
1. It can be triggered if the operations status is down.
2. {$VYATTA.IFCONTROL:"{#IFNAME}"}=1 - a user can redefine the context macro to "0", marking this interface as not important. No new trigger will be fired if this interface is down.
3. last(/TEMPLATE_NAME/METRIC,#1)<>last(/TEMPLATE_NAME/METRIC,#2) - the trigger fires only if the operational status was up to (1) sometime before (so, does not fire for "eternal off" interfaces).

WARNING: if closed manually - it will not fire again on the next poll because of .diff.

The utilization of the network interface is close to its estimated maximum bandwidth.

• Vyatta: Interface [{#IFNAME}][{#IFALIAS}]: Link down

It recovers when it is below 80% of the {$IF.ERRORS.WARN:"{#IFNAME}"} threshold.

• Vyatta: Interface [{#IFNAME}][{#IFALIAS}]: Link down

This Ethernet connection has transitioned down from its known maximum speed. This might be a sign of autonegotiation issues. Acknowledge to close the problem manually.

• Vyatta: Interface [{#IFNAME}][{#IFALIAS}]: Link down