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:
EX sflow:
https://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/collector-edit-protocols-sflow-ex-series.htmluser@switch# set collector <ip-address>
user@switch# set collector udp-port <port-number>
user@switch# set interfaces interface-name
user@switch# set polling-interval secondsuser@switch# set sample-rate number
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
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