Supported NetFlow Fields

Table 1: NetFlow Fields

The following table provides information about the NetFlow fields given by the Data Exporter:

Name Description Type
Flow_id Flow Identifier int64
Start_active_usec Start time int64
Last_active_usec Last active time int64
ExtFlowHost client Attributes and flow statistics for the ExtFlowHost client (See table 2 below) --
ExtFlowHost server Attribute and flow statistics for the ExtFlowHost server (See table 2 below) --
Service_port Well-known service port int32
Protocol Protocol int32
Flow_sensor_app_id Flow Sensor Application ID int32
Nbar_app_id Network Based Application Recognition (NBAR) application ID int32
Palo_alto_app_id Palo Alto application ID string
Username Username string
Vlan_id The Virtual Local Area Network (VLAN) ID int32
Mpls_label Multiprotocol Label Switching (MPLS) label int32
Connections Number of connections int32
Sequence_num Flow sequence number in export order int64
IPAddress fc_ip Flow Collector IP int64
ExtFlowExporter See table 3 below --
Encrypted Traffic Analytics (ETA) Fields See table 4 below --

Table 2: ExtFlowHost Fields

The following table provides information about the fields within the ExtFlowHost client and server:

Name Description Type
IPAddress ip IP address of host endpoint int64
port Port used with TCP or UDP int32
IPAddress xlate_ip Translated IP Address int64
xlate_port Translated port with TCP or UDP int32
MacAddress mac MAC address int64
asn Autonomous System Number int32
Bytes payload_ex Field to store extra payload array of byts
Group_list List of group IDs int32
Num_bytes Number of bytes sourced int64
Num_packets Number of packets sourced int64

Table 3: ExtFlowExporter Fields

The following table provides information about the ExtFlowExporter fields:

Name Description Type
ExtFlowExporter exporters List of exporters int64
IPAddress ip IP Address int64
interface Interface number int32

Table 4: Encrypted Traffic Analytics (ETA) Fields

The following table provides information about ETA fields, if you have ETA enabled routers and switches:

Name Description
Selected Ciper Suite List of up to N cipher suites offered by the client, or selected by the server in a TLS flow
Initial Data Packet (IDP) Content of the first packet of ETA flow that contains actual payload data, starting at the beginning of the IP header
Byte Distribution (BD) Frequency of occurrence for each byte value or (range of values) in the first N bytes of application payload for a flow
TLS Version TLS version number observed in the TLS Hello message for a flow
TLS Session ID Session ID value observed (if any) in the TLS Hello message for a flow
Sequence of Packet Lengths and Times (SPLT) Length of each packet’s application payload for the first several packets of a flow, along with the interarrival times of those packets