Many people are aware that not all the available NetFlow probes are scalable. nProbe has been designed to keep up with Gigabit speeds on commodity hardware. Using a dual core CPU, nProbe can be used for capturing packets at full speed with no/very little (< 1%) packet loss using PF_RING.
You can achieve better results using packet/flow sampling (i.e. the probe does not receive all the packets but just a sample), or using an accelerated packet capture card.
· Added layer 7 application visibility (including Skype, BitTorrent, Citrix).
· NetFlow v9/IPFIX support for efficient flow handling.
· Added Cisco NetFlow-Lite support (as of version 6.5).
· Full IPFIX support: PEN (Private Enterprise Numbers) and Variable length encoding.
· Support for IPv4 and v6.
· Limited memory footprint (less that 2 MB of memory regardless of the network size) and CPU savvy.
· Ability to natively save flows into MySQL and SQLite, as well as text and binary.
· Ability to natively dump flows in FastBit format.
· Native PF_RING support for high speed flow generation (nProbe™ Pro Unix and above).
· Ability to act as flow collector and proxy. All combinations are supported.
· Ability to collect sFlow flows and turn them into flows (v5/v9/IPFIX).
· Support of detect protocols via DPI (deep packet inspection) and report protocol name in flows for precise collector protocol accounting.
· Ability to forge NetFlow interfaceIds based on MAC/IP addresses.
· Collection of Cisco ASA flows and conversion in ‘standard’ flows.
· New nprobe architecture for better performance and exploitation of multicore architectures.
· Support of tunneled (including GRE, PPP and GTP) traffic and ability to export in flows inner/outer envelope/packet information.
· Support of both flow and packet sampling.
· Support of Flexible Netflow: create your netflow templates, now with PEN support.
· VoIP (SIP and RTP) traffic analysis.
· HTTP and MySQL protocol analysis: ability to generate logs of web and mysql activities in addition to flow export.
· BGP Plugin for establishing a BGP session with a router and generate flows with AS and AS path information.
· Plugin architecture for easy extensibility via custom V9/IPFIX tags.
· Fully interoperable with commercial collectors such as IsarFlow, Fluke, Cisco, Dartware, AdventNet, Arbor Networks, Plixer, NetFlow Auditor, SolarWinds Orion NTA.
· Designed for running on environments with limited resources (the nProbe™ binary < 100 Kb) and embedded systems (e.g. ARM-based appliaces).
· It can be used to build cheap NetFlow probes using commodity hardware.
· Able to save flows on disk for later analysis or integration into an existing monitoring application.
· Fully user configurable.
· High-performance probe: commercial probes included those embedded on routers and switches are often not able to keep up with high-speeds.
· Ntop can be used as collector and analyser for NetFlow v5/v9/IPFIX flows such as those generated by nProbe™ and commercial routers.
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