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Generic network deviceGeneric network device
Gain insights into the performance of your network devices.
Extension- 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
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
screen dql table
1
generic relationship
7
screen properties
5
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 name | Metric key | Description | Unit |
|---|---|---|---|
| Time since the last re-start | com.dynatrace.extension.snmp-generic-device.sys.uptime | The time (in hundredths of a second) since the network management portion of the system was last re-initialized | Unspecified |
| - | 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 name | Metric key | Description | Unit |
|---|---|---|---|
| Octets received | com.dynatrace.extension.snmp-generic-device.if.in.octets.count | The total number of octets received on the interface including framing characters | Count |
| Octets transmitted | com.dynatrace.extension.snmp-generic-device.if.out.octets.count | The total number of octets transmitted out of the interface including framing characters | Count |
| Metric name | Metric key | Description | Unit |
|---|---|---|---|
| Messages delivered | com.dynatrace.extension.snmp-generic-device.snmp.in.pkts.count | Total number of messages delivered from the transport service | Count |
| Messages passed | com.dynatrace.extension.snmp-generic-device.snmp.out.pkts.count | Total number of messages passed to the transport service | Count |
| Silently dropped PDUs | com.dynatrace.extension.snmp-generic-device.snmp.silentdrops.count | Number of silently dropped PDUs due to the large reply size | Count |
| Proxy dropped PDUs | com.dynatrace.extension.snmp-generic-device.drops.proxy.count | Number of silently dropped PDUs due to the other than a time-out | Count |
| Unsupported SNMP version messages | com.dynatrace.extension.snmp-generic-device.in.bad.versions.count | Total number of messages delivered with an unsupported SNMP version | Count |
| Messages with bad community names | com.dynatrace.extension.snmp-generic-device.in.bad.community.names.count | Number of messages with an unknown SNMP community | Count |
| Messages not allowed in community | com.dynatrace.extension.snmp-generic-device.in.bad.community.uses.count | Number of messages not allowed for the used SNMP community | Count |
| 'noSuchName' errors | com.dynatrace.extension.snmp-generic-device.in.nosuchnames.count | Number of PDUs delivered PDUs with 'noSuchName' error | Count |
| 'badValue' errors | com.dynatrace.extension.snmp-generic-device.in.bad.values.count | Number of PDUs delivered with 'badValue' error | Count |
| Traps processed | com.dynatrace.extension.snmp-generic-device.snmp.in.traps.count | Total number of SNMP Trap PDUs accepted and processed | Count |
| Traps generated | com.dynatrace.extension.snmp-generic-device.snmp.out.traps.count | Total number of SNMP Trap PDUs generated | Count |
| Metric name | Metric key | Description | Unit |
|---|---|---|---|
| - | com.dynatrace.extension.network_device.if.in.multicast_pkts.count | - | - |
| - | com.dynatrace.extension.network_device.if.out.multicast_pkts.count | - | - |
| - | com.dynatrace.extension.network_device.if.in.broadcast_pkts.count | - | - |
| - | com.dynatrace.extension.network_device.if.out.broadcast_pkts.count | - | - |
| - | com.dynatrace.extension.network_device.if.in.ucast_pkts.count | - | - |
| - | com.dynatrace.extension.network_device.if.out.ucast_pkts.count | - | - |
| - | com.dynatrace.extension.network_device.if.lastchange | - | - |
| Metric name | Metric key | Description | Unit |
|---|---|---|---|
| TCP active opens | com.dynatrace.extension.snmp-generic-device.tcp.activeopens.count | Number of transitions of TCP connections from CLOSED to SYN-SENT | Count |
| TCP passive opens | com.dynatrace.extension.snmp-generic-device.tcp.passiveopens.count | Number of transitions of TCP connections from CLOSED to SYN-RCVD | Count |
| TCP failed attempts | com.dynatrace.extension.snmp-generic-device.tcp.attemptfails.count | Number of transitions of TCP connections from SYN-SENT/SYN-RCVD to CLOSED and from SYN-RCVD to LISTEN | Count |
| TCP resets | com.dynatrace.extension.snmp-generic-device.tcp.estab.resets.count | Number of transitions of TCP connections from ESTABLISHED/CLOSE-WAIT to CLOSED | Count |
| TCP connections | com.dynatrace.extension.snmp-generic-device.tcp.curr.estab | Number of TCP connections in the ESTABLISHED/CLOSE-WAIT state | Count |
| TCP segments received | com.dynatrace.extension.snmp-generic-device.tcp.hc.in.segs.count | Total number of segments received (including errors) | Count |
| TCP segments sent | com.dynatrace.extension.snmp-generic-device.tcp.hc.out.segs.count | Total number of segments sent (excluding retransmissions) | Count |
| TCP segments retransmitted | com.dynatrace.extension.snmp-generic-device.tcp.retrans.segs.count | Total number of segments retransmitted | Count |
| TCP segment errors | com.dynatrace.extension.snmp-generic-device.tcp.in.errs.count | Total number of segments received in error | Count |
| TCP segment resets | com.dynatrace.extension.snmp-generic-device.tcp.out.rsts.count | Number of TCP segments sent containing the RST flag | Count |
| UDP datagrams received | com.dynatrace.extension.snmp-generic-device.udp.hc.in.datagrams.count | Total number of UDP datagrams received | Count |
| UDP datagrams received without port | com.dynatrace.extension.snmp-generic-device.udp.noports.count | Number of received UDP datagrams (no application at the destination port) | Count |
| UDP datagram errors | com.dynatrace.extension.snmp-generic-device.udp.in.errors.count | Number of received and not delivered UDP datagrams (other than no application at the destination port) | Count |
| UDP datagrams sent | com.dynatrace.extension.snmp-generic-device.udp.hc.out.datagrams.count | Total number of UDP datagrams sent | Count |
| Metric name | Metric key | Description | Unit |
|---|---|---|---|
| Last interface status change | com.dynatrace.extension.snmp-generic-device.if.lastchange | Value of 'sysUpTime' when the interface entered its current state | Count |
| Interface speed | com.dynatrace.extension.snmp-generic-device.if.highspeed | Speed of the network interface in MegaBits per second. | MegaBitPerSecond |
| Inbound errors | com.dynatrace.extension.snmp-generic-device.if.in.errors.count | Number of inbound packets/transmission units with errors | Count |
| Inbound discards | com.dynatrace.extension.snmp-generic-device.if.in.discards.count | Number of inbound packets discarded | Count |
| Outbound errors | com.dynatrace.extension.snmp-generic-device.if.out.errors.count | Number of outbound packets/transmission units with errors | Count |
| Outbound discards | com.dynatrace.extension.snmp-generic-device.if.out.discards.count | Number of outbound packets discarded | Count |
| Metric name | Metric key | Description | Unit |
|---|---|---|---|
| Octets received (high capacity) | com.dynatrace.extension.snmp-generic-device.if.hc.in.octets.count | The 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.count | The 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 |
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
✨ New in this version (2.5.0):
- Added the following new metrics to the
Advanced interfacesfeature set:com.dynatrace.extension.network_device.if.in.multicast_pkts.countcom.dynatrace.extension.network_device.if.out.multicast_pkts.countcom.dynatrace.extension.network_device.if.in.broadcast_pkts.countcom.dynatrace.extension.network_device.if.out.broadcast_pkts.countcom.dynatrace.extension.network_device.if.in.ucast_pkts.countcom.dynatrace.extension.network_device.if.out.ucast_pkts.count
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 interfacesfeature 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:interfaceentities 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