https://www.juniper.net/us/en/local/pdf/app-notes/3500204-en.pdf
1 Record per flow ( src/dst IP + Protocol + srd/dst port + possible: VLAN-ID and ToS ) , Time and Direction: Undirectional or bi-directional
IPFix ( = ipflow v10 ) support TCP or sTCP transport and UDP.
| RFC5102 | |
|---|---|
| Observation point | router interface |
| Netflow Exporter | router that form the flow records |
| Netflow collector | Manager that store flow in DB |
| Export Packet / Message | many message in one packet |
| sampling | 1 in1,000 packet |
AC5K sflow configuration:
...
Restrictions
Flow monitoring can be configured in version 5, version 8, or version 9 export mode. Up to eight version 9 collectors are supported in export mode
SRX5400, SRX5600, and SRX5800 do not support multiple collectors like SRX300, SRX320, SRX340, SRX345, and SRX550HM devices.
Only one V9 collector per IPv4 or IPv6 is supported
...
https://www.juniper.net/documentation/en_US/junos/topics/referencetask/configuration-statement/collector-edit-protocols-sflow-ex-series.html
user@switch# set collector <ip-address>
user@switch# set collector udp-port <port-number>
user@switch# set interfaces interface-name
user@switch# set polling-interval seconds
user@switch# set sample-rate number
/services-version-9-flow-template-flow-aggregation-configuring.html
IPFIX ( Version 10 ) Supported Platforms: MX Series, QFX Series and T4000
https://www.juniper.net/documentation/en_US/junos/topics/taskconcept/configuration/servicesinline-versionsampling-9-flow-template-flow-aggregation-configuring.htmloverview.html#id-11330739