Source: https://git.zabbix.com/projects/ZBX/repos/zabbix/browse/templates/net/cisco/cisco_catalyst_3750_48ts_snmp

Cisco Catalyst 3750V2-48TS SNMP

Overview

For Zabbix version: 6.2 and higher
Product picture

Courtesy of Cisco Systems, Inc. Unauthorized use not permitted.

The Cisco Catalyst 3750 Series switches are a premier line of enterprise-class, stackable, multilayer switches that provide high availability, security, and quality of service (QoS) to enhance the operation of the network. Its innovative unified stack management raises the bar in stack management, redundancy, and failover.

https://www.cisco.com/c/en/us/support/switches/catalyst-3750v2-48ts-switch/model.html

Setup

See Zabbix template operation for basic instructions.

Refer to the vendor documentation.

Zabbix configuration

No specific Zabbix configuration is required.

Macros used

Name Description Default
{$CPU.UTIL.CRIT}

-

90
{$ICMP_LOSS_WARN}

-

20
{$ICMP_RESPONSE_TIME_WARN}

-

0.15
{$IF.ERRORS.WARN}

-

2
{$IF.UTIL.MAX}

-

90
{$IFCONTROL}

-

1
{$MEMORY.UTIL.MAX}

-

90
{$NET.IF.IFADMINSTATUS.MATCHES}

-

^.*
{$NET.IF.IFADMINSTATUS.NOT_MATCHES}

Ignore down(2) administrative status

^2$
{$NET.IF.IFALIAS.MATCHES}

-

.*
{$NET.IF.IFALIAS.NOT_MATCHES}

-

CHANGE_IF_NEEDED
{$NET.IF.IFDESCR.MATCHES}

-

.*
{$NET.IF.IFDESCR.NOT_MATCHES}

-

CHANGE_IF_NEEDED
{$NET.IF.IFNAME.MATCHES}

-

^.*$
{$NET.IF.IFNAME.NOT_MATCHES}

Filter out loopbacks, nulls, docker veth links and docker0 bridge by default

(^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}

Ignore notPresent(6)

^6$
{$NET.IF.IFTYPE.MATCHES}

-

.*
{$NET.IF.IFTYPE.NOT_MATCHES}

-

CHANGE_IF_NEEDED
{$SNMP.TIMEOUT}

-

5m
{$TEMP_CRIT_LOW}

-

5
{$TEMP_CRIT}

-

60
{$TEMP_WARN}

-

50

Template links

There are no template links in this template.

Discovery rules

Name Description Type Key and additional info
CPU discovery

If your IOS device has several CPUs, you must use CISCO-PROCESS-MIB and its object cpmCPUTotal5minRev from the table called cpmCPUTotalTable ,

indexed with cpmCPUTotalIndex .

This table allows CISCO-PROCESS-MIB to keep CPU statistics for different physical entities in the router,

like different CPU chips, group of CPUs, or CPUs in different modules/cards.

In case of a single CPU, cpmCPUTotalTable has only one entry.

SNMP cpu.discovery
Entity Serial Numbers discovery

-

SNMP entity_sn.discovery

Filter:

AND

- {#ENT_SN} MATCHES_REGEX .+

- {#ENT_CLASS} MATCHES_REGEX [^3]

EtherLike discovery

Discovering interfaces from IF-MIB and EtherLike-MIB. Interfaces with up(1) Operational Status are discovered.

SNMP net.if.duplex.discovery

Filter:

AND

- {#IFOPERSTATUS} MATCHES_REGEX 1

- {#SNMPVALUE} MATCHES_REGEX (2|3)

FAN discovery

The table of fan status maintained by the environmental monitor.

SNMP fan.discovery
Memory discovery

Discovery of ciscoMemoryPoolTable, a table of memory pool monitoring entries.

http://www.cisco.com/c/en/us/support/docs/ip/simple-network-management-protocol-snmp/15216-contiguous-memory.html

SNMP memory.discovery
Network interfaces discovery

Discovering interfaces from IF-MIB.

SNMP net.if.discovery

Filter:

AND

- {#IFADMINSTATUS} MATCHES_REGEX {$NET.IF.IFADMINSTATUS.MATCHES}

- {#IFADMINSTATUS} NOT_MATCHES_REGEX {$NET.IF.IFADMINSTATUS.NOT_MATCHES}

- {#IFOPERSTATUS} MATCHES_REGEX {$NET.IF.IFOPERSTATUS.MATCHES}

- {#IFOPERSTATUS} NOT_MATCHES_REGEX {$NET.IF.IFOPERSTATUS.NOT_MATCHES}

- {#IFNAME} MATCHES_REGEX {$NET.IF.IFNAME.MATCHES}

- {#IFNAME} NOT_MATCHES_REGEX {$NET.IF.IFNAME.NOT_MATCHES}

- {#IFDESCR} MATCHES_REGEX {$NET.IF.IFDESCR.MATCHES}

- {#IFDESCR} NOT_MATCHES_REGEX {$NET.IF.IFDESCR.NOT_MATCHES}

- {#IFALIAS} MATCHES_REGEX {$NET.IF.IFALIAS.MATCHES}

- {#IFALIAS} NOT_MATCHES_REGEX {$NET.IF.IFALIAS.NOT_MATCHES}

- {#IFTYPE} MATCHES_REGEX {$NET.IF.IFTYPE.MATCHES}

- {#IFTYPE} NOT_MATCHES_REGEX {$NET.IF.IFTYPE.NOT_MATCHES}

PSU discovery

The table of power supply status maintained by the environmental monitor card.

SNMP psu.discovery
Temperature discovery

Discovery of ciscoEnvMonTemperatureTable (ciscoEnvMonTemperatureDescr), a table of ambient temperature status

maintained by the environmental monitor.

SNMP temperature.discovery

Items collected

Group Name Description Type Key and additional info
CPU #{#SNMPINDEX}: CPU utilization

MIB: CISCO-PROCESS-MIB

Object name: cpmCPUTotal5minRev

The cpmCPUTotal5minRev MIB object provides a more accurate view of the performance of the router over time than the MIB objects cpmCPUTotal1minRev and cpmCPUTotal5secRev . These MIB objects are not accurate because they look at CPU at one minute and five second intervals, respectively. These MIBs enable you to monitor the trends and plan the capacity of your network. The recommended baseline rising threshold for cpmCPUTotal5minRev is 90 percent. Depending on the platform, some routers that run at 90 percent, for example, 2500s, can exhibit performance degradation versus a high-end router, for example, the 7500 series, which can operate fine.

Reference: http://www.cisco.com/c/en/us/support/docs/ip/simple-network-management-protocol-snmp/15215-collect-cpu-util-snmp.html

SNMP system.cpu.util[{#SNMPINDEX}]
Fans {#SNMPVALUE}: Fan status

MIB: CISCO-ENVMON-MIB

Object name: ciscoEnvMonFanState

SNMP sensor.fan.status[{#SNMPINDEX}]
General SNMP traps (fallback)

Item is used to collect all SNMP traps unmatched by other snmptrap items

SNMP_TRAP snmptrap.fallback
General 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 system.contact

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1d

General 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 system.descr

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1d

General 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.</p> |SNMP |system.location<p>**Preprocessing**:</p><p>- DISCARD_UNCHANGED_HEARTBEAT:1h`

General 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 system.name

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1h

General 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'.</p> |SNMP |system.objectid<p>**Preprocessing**:</p><p>- DISCARD_UNCHANGED_HEARTBEAT:1h`

Inventory Hardware model name

MIB: ENTITY-MIB

SNMP system.hw.model

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1d

Inventory Hardware serial number

MIB: ENTITY-MIB

SNMP system.hw.serialnumber

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1d

Inventory Operating system

MIB: SNMPv2-MIB

SNMP system.sw.os

Preprocessing:

- REGEX: Version (.+), RELEASE: \1

- DISCARD_UNCHANGED_HEARTBEAT: 1d

Inventory {#ENT_NAME}: Hardware serial number

MIB: ENTITY-MIB

Object name: entPhysicalSerialNum

SNMP system.hw.serialnumber[{#SNMPINDEX}]

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 1d

Memory {#SNMPVALUE}: Free memory

MIB: CISCO-MEMORY-POOL-MIB

Object name: ciscoMemoryPoolFree

Indicates the number of bytes from the memory pool that are currently unused on the managed device. Note that the sum of ciscoMemoryPoolUsed and ciscoMemoryPoolFree is the total amount of memory in the pool

Reference: http://www.cisco.com/c/en/us/support/docs/ip/simple-network-management-protocol-snmp/15216-contiguous-memory.html

SNMP vm.memory.free[{#SNMPINDEX}]
Memory {#SNMPVALUE}: Used memory

MIB: CISCO-MEMORY-POOL-MIB

Object name: ciscoMemoryPoolUsed

Indicates the number of bytes from the memory pool that are currently in use by applications on the managed device.

Reference: http://www.cisco.com/c/en/us/support/docs/ip/simple-network-management-protocol-snmp/15216-contiguous-memory.html

SNMP vm.memory.used[{#SNMPINDEX}]
Memory {#SNMPVALUE}: Memory utilization

Memory utilization in %

CALCULATED vm.memory.util[{#SNMPINDEX}]

Expression:

last(//vm.memory.used[{#SNMPINDEX}])/(last(//vm.memory.free[{#SNMPINDEX}])+last(//vm.memory.used[{#SNMPINDEX}]))*100
Network interfaces Interface {#IFNAME}({#IFALIAS}): 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 net.if.in.discards[{#SNMPINDEX}]

Preprocessing:

- CHANGE_PER_SECOND: ``

Network interfaces Interface {#IFNAME}({#IFALIAS}): 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 net.if.in.errors[{#SNMPINDEX}]

Preprocessing:

- CHANGE_PER_SECOND: ``

Network interfaces Interface {#IFNAME}({#IFALIAS}): Bits received

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.

SNMP net.if.in[{#SNMPINDEX}]

Preprocessing:

- CHANGE_PER_SECOND: `</p><p>- MULTIPLIER:8`

Network interfaces Interface {#IFNAME}({#IFALIAS}): 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 net.if.out.discards[{#SNMPINDEX}]

Preprocessing:

- CHANGE_PER_SECOND: ``

Network interfaces Interface {#IFNAME}({#IFALIAS}): 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 net.if.out.errors[{#SNMPINDEX}]

Preprocessing:

- CHANGE_PER_SECOND: ``

Network interfaces Interface {#IFNAME}({#IFALIAS}): Bits sent

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.

SNMP net.if.out[{#SNMPINDEX}]

Preprocessing:

- CHANGE_PER_SECOND: `</p><p>- MULTIPLIER:8`

Network interfaces Interface {#IFNAME}({#IFALIAS}): Speed

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 ofn-500,000' ton+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.</p> |SNMP |net.if.speed[{#SNMPINDEX}]<p>**Preprocessing**:</p><p>- MULTIPLIER:1000000</p><p>- DISCARD_UNCHANGED_HEARTBEAT:1h`

Network interfaces Interface {#IFNAME}({#IFALIAS}): 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 net.if.status[{#SNMPINDEX}]

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 6h

Network interfaces Interface {#IFNAME}({#IFALIAS}): 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 net.if.type[{#SNMPINDEX}]

Preprocessing:

- DISCARD_UNCHANGED_HEARTBEAT: 6h

Network interfaces Interface {#IFNAME}({#IFALIAS}): Duplex status

MIB: EtherLike-MIB

Object name: dot3StatsDuplexStatus

The current mode of operation of the MAC

entity. 'unknown' indicates that the current

duplex mode could not be determined.

Management control of the duplex mode is

accomplished through the MAU MIB. When

an interface does not support autonegotiation,

or when autonegotiation is not enabled, the

duplex mode is controlled using

ifMauDefaultType. When autonegotiation is

supported and enabled, duplex mode is controlled

using ifMauAutoNegAdvertisedBits. In either

case, the currently operating duplex mode is

reflected both in this object and in ifMauType.

Note that this object provides redundant

information with ifMauType. Normally, redundant

objects are discouraged. However, in this

instance, it allows a management application to

determine the duplex status of an interface

without having to know every possible value of

ifMauType. This was felt to be sufficiently

valuable to justify the redundancy.

Reference: [IEEE 802.3 Std.], 30.3.1.1.32,aDuplexStatus.

SNMP net.if.duplex[{#SNMPINDEX}]
Power supply {#SNMPVALUE}: Power supply status

MIB: CISCO-ENVMON-MIB

Object name: ciscoEnvMonSupplyState

SNMP sensor.psu.status[{#SNMPINDEX}]
Status ICMP ping SIMPLE icmpping
Status ICMP loss SIMPLE icmppingloss
Status ICMP response time SIMPLE icmppingsec
Status Uptime

MIB: SNMPv2-MIB

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

SNMP system.uptime

Preprocessing:

- MULTIPLIER: 0.01

Status SNMP agent availability INTERNAL zabbix[host,snmp,available]
Temperature {#SNMPVALUE}: Temperature status

MIB: CISCO-ENVMON-MIB

Object name: ciscoEnvMonTemperatureState

The current state of the test point being instrumented.

SNMP sensor.temp.status[{#SNMPINDEX}]
Temperature {#SNMPVALUE}: Temperature

MIB: CISCO-ENVMON-MIB

Object name: ciscoEnvMonTemperatureValue

The current measurement of the test point being instrumented.

SNMP sensor.temp.value[{#SNMPINDEX}]

Triggers

Name Description Expression Severity Dependencies and additional info
#{#SNMPINDEX}: High CPU utilization

CPU utilization is too high. The system might be slow to respond.

min(/Cisco Catalyst 3750V2-48TS SNMP/system.cpu.util[{#SNMPINDEX}],5m)>{$CPU.UTIL.CRIT} WARNING
{#SNMPVALUE}: Fan is in critical state

Please check the fan unit

last(/Cisco Catalyst 3750V2-48TS SNMP/sensor.fan.status[{#SNMPINDEX}])=3 or last(/Cisco Catalyst 3750V2-48TS SNMP/sensor.fan.status[{#SNMPINDEX}])=4 AVERAGE
{#SNMPVALUE}: Fan is in warning state

Please check the fan unit

last(/Cisco Catalyst 3750V2-48TS SNMP/sensor.fan.status[{#SNMPINDEX}])=2 WARNING

Depends on:

- {#SNMPVALUE}: Fan is in critical state

System name has changed

System name has changed. Ack to close.

last(/Cisco Catalyst 3750V2-48TS SNMP/system.name,#1)<>last(/Cisco Catalyst 3750V2-48TS SNMP/system.name,#2) and length(last(/Cisco Catalyst 3750V2-48TS SNMP/system.name))>0 INFO

Manual close: YES

Device has been replaced

Device serial number has changed. Ack to close

last(/Cisco Catalyst 3750V2-48TS SNMP/system.hw.serialnumber,#1)<>last(/Cisco Catalyst 3750V2-48TS SNMP/system.hw.serialnumber,#2) and length(last(/Cisco Catalyst 3750V2-48TS SNMP/system.hw.serialnumber))>0 INFO

Manual close: YES

Operating system description has changed

Operating system description has changed. Possible reasons that system has been updated or replaced. Ack to close.

last(/Cisco Catalyst 3750V2-48TS SNMP/system.sw.os,#1)<>last(/Cisco Catalyst 3750V2-48TS SNMP/system.sw.os,#2) and length(last(/Cisco Catalyst 3750V2-48TS SNMP/system.sw.os))>0 INFO

Manual close: YES

Depends on:

- System name has changed

{#ENT_NAME}: Device has been replaced

Device serial number has changed. Ack to close

last(/Cisco Catalyst 3750V2-48TS SNMP/system.hw.serialnumber[{#SNMPINDEX}],#1)<>last(/Cisco Catalyst 3750V2-48TS SNMP/system.hw.serialnumber[{#SNMPINDEX}],#2) and length(last(/Cisco Catalyst 3750V2-48TS SNMP/system.hw.serialnumber[{#SNMPINDEX}]))>0 INFO

Manual close: YES

{#SNMPVALUE}: High memory utilization

The system is running out of free memory.

min(/Cisco Catalyst 3750V2-48TS SNMP/vm.memory.util[{#SNMPINDEX}],5m)>{$MEMORY.UTIL.MAX} AVERAGE
Interface {#IFNAME}({#IFALIAS}): High input error rate

Recovers when below 80% of {$IF.ERRORS.WARN:"{#IFNAME}"} threshold

min(/Cisco Catalyst 3750V2-48TS SNMP/net.if.in.errors[{#SNMPINDEX}],5m)>{$IF.ERRORS.WARN:"{#IFNAME}"}

Recovery expression:

max(/Cisco Catalyst 3750V2-48TS SNMP/net.if.in.errors[{#SNMPINDEX}],5m)<{$IF.ERRORS.WARN:"{#IFNAME}"}*0.8
WARNING

Manual close: YES

Depends on:

- Interface {#IFNAME}({#IFALIAS}): Link down

Interface {#IFNAME}({#IFALIAS}): High inbound bandwidth usage

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

(avg(/Cisco Catalyst 3750V2-48TS SNMP/net.if.in[{#SNMPINDEX}],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Cisco Catalyst 3750V2-48TS SNMP/net.if.speed[{#SNMPINDEX}])) and last(/Cisco Catalyst 3750V2-48TS SNMP/net.if.speed[{#SNMPINDEX}])>0

Recovery expression:

avg(/Cisco Catalyst 3750V2-48TS SNMP/net.if.in[{#SNMPINDEX}],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Cisco Catalyst 3750V2-48TS SNMP/net.if.speed[{#SNMPINDEX}])
WARNING

Manual close: YES

Depends on:

- Interface {#IFNAME}({#IFALIAS}): Link down

Interface {#IFNAME}({#IFALIAS}): High output error rate

Recovers when below 80% of {$IF.ERRORS.WARN:"{#IFNAME}"} threshold

min(/Cisco Catalyst 3750V2-48TS SNMP/net.if.out.errors[{#SNMPINDEX}],5m)>{$IF.ERRORS.WARN:"{#IFNAME}"}

Recovery expression:

max(/Cisco Catalyst 3750V2-48TS SNMP/net.if.out.errors[{#SNMPINDEX}],5m)<{$IF.ERRORS.WARN:"{#IFNAME}"}*0.8
WARNING

Manual close: YES

Depends on:

- Interface {#IFNAME}({#IFALIAS}): Link down

Interface {#IFNAME}({#IFALIAS}): High outbound bandwidth usage

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

(avg(/Cisco Catalyst 3750V2-48TS SNMP/net.if.out[{#SNMPINDEX}],15m)>({$IF.UTIL.MAX:"{#IFNAME}"}/100)*last(/Cisco Catalyst 3750V2-48TS SNMP/net.if.speed[{#SNMPINDEX}])) and last(/Cisco Catalyst 3750V2-48TS SNMP/net.if.speed[{#SNMPINDEX}])>0

Recovery expression:

avg(/Cisco Catalyst 3750V2-48TS SNMP/net.if.out[{#SNMPINDEX}],15m)<(({$IF.UTIL.MAX:"{#IFNAME}"}-3)/100)*last(/Cisco Catalyst 3750V2-48TS SNMP/net.if.speed[{#SNMPINDEX}])
WARNING

Manual close: YES

Depends on:

- Interface {#IFNAME}({#IFALIAS}): Link down

Interface {#IFNAME}({#IFALIAS}): Ethernet has changed to lower speed than it was before

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

change(/Cisco Catalyst 3750V2-48TS SNMP/net.if.speed[{#SNMPINDEX}])<0 and last(/Cisco Catalyst 3750V2-48TS SNMP/net.if.speed[{#SNMPINDEX}])>0 and ( last(/Cisco Catalyst 3750V2-48TS SNMP/net.if.type[{#SNMPINDEX}])=6 or last(/Cisco Catalyst 3750V2-48TS SNMP/net.if.type[{#SNMPINDEX}])=7 or last(/Cisco Catalyst 3750V2-48TS SNMP/net.if.type[{#SNMPINDEX}])=11 or last(/Cisco Catalyst 3750V2-48TS SNMP/net.if.type[{#SNMPINDEX}])=62 or last(/Cisco Catalyst 3750V2-48TS SNMP/net.if.type[{#SNMPINDEX}])=69 or last(/Cisco Catalyst 3750V2-48TS SNMP/net.if.type[{#SNMPINDEX}])=117 ) and (last(/Cisco Catalyst 3750V2-48TS SNMP/net.if.status[{#SNMPINDEX}])<>2)

Recovery expression:

(change(/Cisco Catalyst 3750V2-48TS SNMP/net.if.speed[{#SNMPINDEX}])>0 and last(/Cisco Catalyst 3750V2-48TS SNMP/net.if.speed[{#SNMPINDEX}],#2)>0) or (last(/Cisco Catalyst 3750V2-48TS SNMP/net.if.status[{#SNMPINDEX}])=2)
INFO

Manual close: YES

Depends on:

- Interface {#IFNAME}({#IFALIAS}): Link down

Interface {#IFNAME}({#IFALIAS}): 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.

{$IFCONTROL:"{#IFNAME}"}=1 and (last(/Cisco Catalyst 3750V2-48TS SNMP/net.if.status[{#SNMPINDEX}])=2) AVERAGE

Manual close: YES

Interface {#IFNAME}({#IFALIAS}): In half-duplex mode

Please check autonegotiation settings and cabling

last(/Cisco Catalyst 3750V2-48TS SNMP/net.if.duplex[{#SNMPINDEX}])=2 WARNING

Manual close: YES

{#SNMPVALUE}: Power supply is in critical state

Please check the power supply unit for errors

last(/Cisco Catalyst 3750V2-48TS SNMP/sensor.psu.status[{#SNMPINDEX}])=3 or last(/Cisco Catalyst 3750V2-48TS SNMP/sensor.psu.status[{#SNMPINDEX}])=4 AVERAGE
{#SNMPVALUE}: Power supply is in warning state

Please check the power supply unit for errors

last(/Cisco Catalyst 3750V2-48TS SNMP/sensor.psu.status[{#SNMPINDEX}])=2 WARNING

Depends on:

- {#SNMPVALUE}: Power supply is in critical state

Unavailable by ICMP ping

Last three attempts returned timeout. Please check device connectivity.

max(/Cisco Catalyst 3750V2-48TS SNMP/icmpping,#3)=0 HIGH
High ICMP ping loss

-

min(/Cisco Catalyst 3750V2-48TS SNMP/icmppingloss,5m)>{$ICMP_LOSS_WARN} and min(/Cisco Catalyst 3750V2-48TS SNMP/icmppingloss,5m)<100 WARNING

Depends on:

- Unavailable by ICMP ping

High ICMP ping response time

-

avg(/Cisco Catalyst 3750V2-48TS SNMP/icmppingsec,5m)>{$ICMP_RESPONSE_TIME_WARN} WARNING

Depends on:

- High ICMP ping loss

- Unavailable by ICMP ping

has been restarted

Uptime is less than 10 minutes

last(/Cisco Catalyst 3750V2-48TS SNMP/system.uptime)<10m WARNING

Manual close: YES

No SNMP data collection

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

max(/Cisco Catalyst 3750V2-48TS SNMP/zabbix[host,snmp,available],{$SNMP.TIMEOUT})=0 WARNING
{#SNMPVALUE}: Temperature is in critical state

This trigger uses temperature sensor state

last(/Cisco Catalyst 3750V2-48TS SNMP/sensor.temp.status[{#SNMPINDEX}])=3 or last(/Cisco Catalyst 3750V2-48TS SNMP/sensor.temp.status[{#SNMPINDEX}])=4 HIGH
{#SNMPVALUE}: Temperature is in warning state

This trigger uses temperature sensor state

last(/Cisco Catalyst 3750V2-48TS SNMP/sensor.temp.status[{#SNMPINDEX}])=2 WARNING

Depends on:

- {#SNMPVALUE}: Temperature is in critical state

{#SNMPVALUE}: Temperature is above critical threshold

This trigger uses temperature sensor values as well as temperature sensor status if available

avg(/Cisco Catalyst 3750V2-48TS SNMP/sensor.temp.value[{#SNMPINDEX}],5m)>{$TEMP_CRIT:"{#SNMPVALUE}"}

Recovery expression:

max(/Cisco Catalyst 3750V2-48TS SNMP/sensor.temp.value[{#SNMPINDEX}],5m)<{$TEMP_CRIT:"{#SNMPVALUE}"}-3
HIGH
{#SNMPVALUE}: Temperature is above warning threshold

This trigger uses temperature sensor values as well as temperature sensor status if available

avg(/Cisco Catalyst 3750V2-48TS SNMP/sensor.temp.value[{#SNMPINDEX}],5m)>{$TEMP_WARN:"{#SNMPVALUE}"}

Recovery expression:

max(/Cisco Catalyst 3750V2-48TS SNMP/sensor.temp.value[{#SNMPINDEX}],5m)<{$TEMP_WARN:"{#SNMPVALUE}"}-3
WARNING

Depends on:

- {#SNMPVALUE}: Temperature is above critical threshold

{#SNMPVALUE}: Temperature is too low

-

avg(/Cisco Catalyst 3750V2-48TS SNMP/sensor.temp.value[{#SNMPINDEX}],5m)<{$TEMP_CRIT_LOW:"{#SNMPVALUE}"}

Recovery expression:

min(/Cisco Catalyst 3750V2-48TS SNMP/sensor.temp.value[{#SNMPINDEX}],5m)>{$TEMP_CRIT_LOW:"{#SNMPVALUE}"}+3
AVERAGE

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