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Generic network deviceGeneric network device
Generic network device

Generic network device

Gain insights into the performance of your network devices.

Extension
Free trialDocumentation
Get a high level overview of your monitored Network Infrastructure with the included dashboard.Unified Analysis screens are bundled with this extension for the defined topology, such as SNMP Devices. See key Network and SNMP metrics for a specific device.
  • Product information
  • Release notes

Overview

This extension leverages the SNMP protocol to provide a complete solution to monitor network infrastructure. The complete configuration is provided out-of-the-box.

This is intended for users, who:

  • Would like to monitor health state and performance of their core network infrastructure and provide unified analysis for Ops, DevOps and IT Admins.

This enables you to:

  • Monitor health and performance of your network devices
  • Set up alerts to be notified by traffic anomalies

Use cases

  • Monitor core network infrastructure by polling data for Network Devices and Interfaces.
  • Enable alerting on detected anomalies
  • Capture traps by integrating with the SNMP Traps extension.

Compatibility information

  • Standard network devices supporting common MIB files
  • SNMPv2c and SNMPv3 supported only
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By Dynatrace
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Extension content

Content typeNumber of items included
alerts
2
screen injections
3
screen chart groups
11
screen logs cards
1
metric query
11
screen layout
4
document dashboard
1
screen message cards
2
screen entities lists
1
generic relationship
7
screen properties
5
screen dql table
1
dashboards
1
metric metadata
47
generic type
4

Feature sets

Below is a complete list of the feature sets provided in this version. To ensure a good fit for your needs, individual feature sets can be activated and deactivated by your administrator during configuration.

Feature setsNumber of metrics included
Metric nameMetric keyDescriptionUnit
Time since the last re-startcom.dynatrace.extension.snmp-generic-device.sys.uptimeThe time (in hundredths of a second) since the network management portion of the system was last re-initializedUnspecified
-com.dynatrace.extension.network_device.sysuptime--
-com.dynatrace.extension.network_device.if.bytes_in.count--
-com.dynatrace.extension.network_device.if.bytes_out.count--
-com.dynatrace.extension.network_device.if.status--
-com.dynatrace.extension.network_device.if.in.errors.count--
-com.dynatrace.extension.network_device.if.in.discards.count--
-com.dynatrace.extension.network_device.if.out.errors.count--
-com.dynatrace.extension.network_device.if.out.discards.count--
Metric nameMetric keyDescriptionUnit
Messages deliveredcom.dynatrace.extension.snmp-generic-device.snmp.in.pkts.countTotal number of messages delivered from the transport serviceCount
Messages passedcom.dynatrace.extension.snmp-generic-device.snmp.out.pkts.countTotal number of messages passed to the transport serviceCount
Silently dropped PDUscom.dynatrace.extension.snmp-generic-device.snmp.silentdrops.countNumber of silently dropped PDUs due to the large reply sizeCount
Proxy dropped PDUscom.dynatrace.extension.snmp-generic-device.drops.proxy.countNumber of silently dropped PDUs due to the other than a time-outCount
Unsupported SNMP version messagescom.dynatrace.extension.snmp-generic-device.in.bad.versions.countTotal number of messages delivered with an unsupported SNMP versionCount
Messages with bad community namescom.dynatrace.extension.snmp-generic-device.in.bad.community.names.countNumber of messages with an unknown SNMP communityCount
Messages not allowed in communitycom.dynatrace.extension.snmp-generic-device.in.bad.community.uses.countNumber of messages not allowed for the used SNMP communityCount
'noSuchName' errorscom.dynatrace.extension.snmp-generic-device.in.nosuchnames.countNumber of PDUs delivered PDUs with 'noSuchName' errorCount
'badValue' errorscom.dynatrace.extension.snmp-generic-device.in.bad.values.countNumber of PDUs delivered with 'badValue' errorCount
Traps processedcom.dynatrace.extension.snmp-generic-device.snmp.in.traps.countTotal number of SNMP Trap PDUs accepted and processedCount
Traps generatedcom.dynatrace.extension.snmp-generic-device.snmp.out.traps.countTotal number of SNMP Trap PDUs generatedCount
Metric nameMetric keyDescriptionUnit
Octets receivedcom.dynatrace.extension.snmp-generic-device.if.in.octets.countThe total number of octets received on the interface including framing charactersCount
Octets transmittedcom.dynatrace.extension.snmp-generic-device.if.out.octets.countThe total number of octets transmitted out of the interface including framing charactersCount
Metric nameMetric keyDescriptionUnit
Octets received (high capacity)com.dynatrace.extension.snmp-generic-device.if.hc.in.octets.countThe total number of octets received on the interface including framing characters. This metric uses 64 bit counter and should be used for highspeed devices.Count
Octets transmitted (high capacity)com.dynatrace.extension.snmp-generic-device.if.hc.out.octets.countThe total number of octets transmitted out of the interface including framing characters. This metric uses 64 bit counter and should be used for highspeed devices.Count
Metric nameMetric keyDescriptionUnit
Last interface status changecom.dynatrace.extension.snmp-generic-device.if.lastchangeValue of 'sysUpTime' when the interface entered its current stateCount
Interface speedcom.dynatrace.extension.snmp-generic-device.if.highspeedSpeed of the network interface in MegaBits per second.MegaBitPerSecond
Inbound errorscom.dynatrace.extension.snmp-generic-device.if.in.errors.countNumber of inbound packets/transmission units with errorsCount
Inbound discardscom.dynatrace.extension.snmp-generic-device.if.in.discards.countNumber of inbound packets discardedCount
Outbound errorscom.dynatrace.extension.snmp-generic-device.if.out.errors.countNumber of outbound packets/transmission units with errorsCount
Outbound discardscom.dynatrace.extension.snmp-generic-device.if.out.discards.countNumber of outbound packets discardedCount
Metric nameMetric keyDescriptionUnit
TCP active openscom.dynatrace.extension.snmp-generic-device.tcp.activeopens.countNumber of transitions of TCP connections from CLOSED to SYN-SENTCount
TCP passive openscom.dynatrace.extension.snmp-generic-device.tcp.passiveopens.countNumber of transitions of TCP connections from CLOSED to SYN-RCVDCount
TCP failed attemptscom.dynatrace.extension.snmp-generic-device.tcp.attemptfails.countNumber of transitions of TCP connections from SYN-SENT/SYN-RCVD to CLOSED and from SYN-RCVD to LISTENCount
TCP resetscom.dynatrace.extension.snmp-generic-device.tcp.estab.resets.countNumber of transitions of TCP connections from ESTABLISHED/CLOSE-WAIT to CLOSEDCount
TCP connectionscom.dynatrace.extension.snmp-generic-device.tcp.curr.estabNumber of TCP connections in the ESTABLISHED/CLOSE-WAIT stateCount
TCP segments receivedcom.dynatrace.extension.snmp-generic-device.tcp.hc.in.segs.countTotal number of segments received (including errors)Count
TCP segments sentcom.dynatrace.extension.snmp-generic-device.tcp.hc.out.segs.countTotal number of segments sent (excluding retransmissions)Count
TCP segments retransmittedcom.dynatrace.extension.snmp-generic-device.tcp.retrans.segs.countTotal number of segments retransmittedCount
TCP segment errorscom.dynatrace.extension.snmp-generic-device.tcp.in.errs.countTotal number of segments received in errorCount
TCP segment resetscom.dynatrace.extension.snmp-generic-device.tcp.out.rsts.countNumber of TCP segments sent containing the RST flagCount
UDP datagrams receivedcom.dynatrace.extension.snmp-generic-device.udp.hc.in.datagrams.countTotal number of UDP datagrams receivedCount
UDP datagrams received without portcom.dynatrace.extension.snmp-generic-device.udp.noports.countNumber of received UDP datagrams (no application at the destination port)Count
UDP datagram errorscom.dynatrace.extension.snmp-generic-device.udp.in.errors.countNumber of received and not delivered UDP datagrams (other than no application at the destination port)Count
UDP datagrams sentcom.dynatrace.extension.snmp-generic-device.udp.hc.out.datagrams.countTotal number of UDP datagrams sentCount
Metric nameMetric keyDescriptionUnit
-com.dynatrace.extension.network_device.if.lastchange--

Full version history

To have more information on how to install the downloaded package, please follow the instructions on this page.
ReleaseDate

Full version history

🐛 Bug fixes:

  • Fixed DQL for Traffic chart in I&O app

Full version history

✨ New in this version (2.4.3):

  • Added the following metric to the new Advanced interfaces feature set:
    • com.dynatrace.extension.network_device.if.lastchange

Full version history

Fixed in this version:

  • In some cases, the topology rules would end up creating extra network:interface entities which would be disconnected from the rest of the topology

Full version history

⚠️ IMPORTANT CHANGE:

Metrics in "default" feature set will always be enabled and cannot be disabled. These metrics are mandatory. Take extra caution configuring devices and interfaces for which you are collecting data. Make use of Interface filters to limit the number of interfaces, otherwise, all interfaces on the device will be collected by default. In case you do not wish to collect interfaces on your device, enter $eq(!) in the "Interface Name" filter field on the Feature Sets screen during configuration.

  • Default network metrics moved into the "default" feature set, specifically Interface metrics.

⚠️ Additional notes:

  • You must disable the old "neighbor-discovery" feature set in order to update
  • SNMP Health metrics will be disabled by default when first updating (due to the feature set change)

Fixed in this version:

  • Network charts for these devices in the Infrastructure Operations app would have DQL execution errors

Improved in this version:

  • SNMP Health metrics moved into a separate feature set for SNMP
  • Neighbour Discovery (LLDP) feature set was removed. This is now handled by the SNMP Autodiscovery extension for any kind of device

New in this version:

  • Security Context is applied to entities

Full version history

  • Adds a platform dashboard

Full version history

Fixed in this version:

  • DQL fix for SaaS charts for interface high capacity charts

Full version history

Fixed in this version:

  • DQL fix on Network Interface Traffic chart

Full version history

Fixed in this version:

  • Corrected some of the DQL queries for AppEngine UI
  • Removed the filter to allow monitoring of network interfaces with missing MAC addresses

Full version history

Fixed in this version:

  • Invalid DQL in network statistics card, in AppEngine screens

Full version history

Fixed in this version:

  • Minimum schema is correctly enforced

Improved in this version:

  • Filtering fields limit increased to 50,000 characters

Full version history

Fixed in this version:

  • Recently introduced metrics for device and interface now apply the existing feature sets and filters to reduce license consumption.

Full version history

  • New entities & metrics were added for representing network devices

Full version history

  • Fixed: Network Interface metrics not visible in a Management Zone.

Full version history

  • High capacity interface traffic metrics extracted to "Interfaces 64-bit" feature set.
  • Default interface traffic metrics extracted to "Interfaces 32-bit" feature set.
Check distribution of metrics in the new feature sets to avoid gaps in the data

Full version history

v1.8.0

  • Removed a rule for creating an entity from SNMP traps. Now traps source entity is connected to the device entity only with SAME_AS relation.

Full version history

v1.7.0

  • Added 4 new metrics:
    • Octets received (high capacity)
    • Octets transmitted (high capacity)
    • Interface outgoing traffic (high capacity)
    • Interface incoming traffic (high capacity)
  • Bandwidth utilization is now calculated with above metrics

Full version history

v1.6.0

  • Ability to display traps send from the device and captured using SNMP Traps extension
  • Added traps statistics on the entity screen
  • Added relationships to SNMP Traps Extension & Trap Visualizations on Device Screen
  • Added inject message with back-link to the device on corresponding SNMP traps source

Full version history

v1.5.0

  • Added ability to use filters for Interface Name, Admin and Operational Status

Full version history

Device screen - added filtering for list of network interfaces.

Full version history

  • added traffic metrics that shows traffic in bitsperseconds
  • added a metric with interface speed
  • added a metrics that calculate bandwidth utilization
  • added definition of UA screen for network interface
  • added alert definition for bandwidth utilization.
  • new metrics has been used on both screens
  • dashboard has been improved

Full version history

Interval for sending the data is changed from 5 minutes to 1 minute.

Full version history

Dashboard improvements - tile with errors contains a links to device screens.

Full version history

No release notes

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