NetFlow v5

See Flow Support for details on flow support in Horizon.

Netflow v5 UDP Parser

The Netflow v5 UDP parser accepts packets received by a UDP listener and must forward them to a Netflow v5 Adapter.

The Netflow v5 UDP parser supports protocol detection.

Facts

Class Name

org.opennms.netmgt.telemetry.protocols.netflow.parser.Netflow5UdpParser

Parameters

Table 1. Parameters for the Netflow v5 UDP Parser
Parameter Description Required Default value

maxClockSkew

The maximum delta in seconds between exporter and Minion timestamps.

no

0

clockSkewEventRate

Rate limit clock skew events, in seconds.

no

3600

dnsLookupsEnabled

Enable or disable DNS resolution for flows.

no

true

Netflow v5 Adapter

The Netflow v5 adapter handles Netflow v5 payloads received and parsed by by the Netflow v5 UDP Parser. Flows are decoded from the messages into the canonical flow format and published to the flow repository.

Facts

Class Name

org.opennms.netmgt.telemetry.protocols.netflow.adapter.netflow5.Netflow5Adapter

Parameters

This adapter does not currently have any configurable parameters.