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Set up network flow data monitoring

Set up your network devices so they send network data to New Relic One.

Prerequisites

New Relic One account prerequisites

Linux host prerequisites

  • Docker installed in a Linux host.
  • SSH access to the Docker host, with the ability to launch new containers.

Network flow data devices prerequisites

Network security prerequisites

Direction

Source

Destination

Ports

Protocol

Outbound

Docker host

ktranslate image on Docker Hub

443

TCP

Outbound

Docker host

New Relic Event API US Endpoint: https://insights-collector.newrelic.com EU Endpoint: https://insights-collector.eu01.nr-data.net

443

TCP

Outbound

Docker host

New Relic Log API US Endpoint: https://log-api.newrelic.com EU Endpoint: https://log-api.eu.newrelic.com

443

TCP

Inbound

Source devices for network flow data

Docker host

9995 (default)

UDP

Supported types of network flow data

NPM flow monitoring supports the four primary types of network flow data and their derivatives. When running the ktranslate container, you will specify which major type you want to monitor using the -nf.source option.

重要

The ktranslate container only supports monitoring one type of network flow data type at a time. If you want to monitor several types, each will require a container.

IPFIX and NetFlow v9 can be sent to the same container, but we recommend running a separate container as a best practice.

Network flow data type

-nf.source value

IPFIX

ipfix

NetFlow v5

netflow5

NetFlow v9

netflow9

sFlow

sflow

AppFlow

netflow5

Argus

netflow5

cflowd

netflow5

J-Flow

netflow5

NetStream

netflow5

RFlow

netflow5

Cisco NSEL

netflow9

Scaling network flow collection

When planning your strategy for collecting network flows at scale, New Relic recommends 1 CPU per 2000 flows-per-second (120,000 flows-per-minute). Deciding whether to run more small containers to distribute load or fewer large containers to consolidate management is a matter of personal preference.

Set up network flow data monitoring in New Relic One

  1. Go to one.newrelic.com and click Add more data.
  2. Scroll down until you see Network performance monitoring and click Network Flows.
  3. Follow the steps in New Relic One. Network Flows guided setup
    one.newrelic.com > Add more data > Network performance monitoring > Network Flows to set up network flow data monitoring.
  4. To get better visibility into your network device performance, set up SNMP data monitoring.
  5. Visualize your network performance data in New Relic.

その他のヘルプ

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