Juniper Networks Flow-Based Telemetry

FBT enables per-flow-level analytics, using inline monitoring services to create flows, collect them, and export them to a collector. With inline monitoring services, you can monitor every IPv4 and IPv6 packet on both ingress and egress directions of an interface. A flow is a sequence of packets that have the same source IP, destination IP, source port, destination port, and protocol on an interface. For each flow, the software collects various parameters and exports the actual packet up to the configured clip length to a collector using the open standard IPFIX template to organize the flow. Once there is no active traffic for a flow, the flow is aged out after the configured inactive-timeout period. The software exports a IPFIX packet periodically at the configured flow-export timer interval. The observation domain identifier is used in the IPFIX packet to identify which line card sent the packet to the collector. Once set, the software derives a unique identifier for each line card based upon the system value set here.

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Product Features