Vflow

High-performance, scalable and reliable IPFIX, sFlow and Netflow collector (written in pure Golang).

Features

• IPFIX RFC7011 collector
• sFLow v5 raw header / counters collector
• Netflow v5 collector
• Netflow v9 collector
• Decoding sFlow raw header L2/L3/L4
• Produce to Apache Kafka, NSQ, NATS
• Replicate IPFIX and sFlow to 3rd party collector
• Supports IPv4 and IPv6
• Prometheus and RESTful APIs monitoring

Documentation

• Architecture.
• Configuration.
• Quick Start.
• JUNOS Integration.
• Monitoring.
• Stress / Load Generator.
• Kafka consumer examples.

Decoded IPFIX data

The IPFIX data decodes to JSON format and IDs are IANA IPFIX element ID

{"AgentID":"192.168.21.15","Header":{"Version":10,"Length":420,"ExportTime":1483484642,"SequenceNo":1434533677,"DomainID":32771},"DataSets":[[{"I":8,"V":"192.16.28.217"},{"I":12,"V":"180.10.210.240"},{"I":5,"V":2},{"I":4,"V":6},{"I":7,"V":443},{"I":11,"V":64381},{"I":32,"V":0},{"I":10,"V":811},{"I":58,"V":0},{"I":9,"V":24},{"I":13,"V":20},{"I":16,"V":4200000000},{"I":17,"V":27747},{"I":15,"V":"180.105.10.210"},{"I":6,"V":"0x10"},{"I":14,"V":1113},{"I":1,"V":22500},{"I":2,"V":15},{"I":52,"V":63},{"I":53,"V":63},{"I":152,"V":1483484581770},{"I":153,"V":1483484622384},{"I":136,"V":2},{"I":243,"V":0},{"I":245,"V":0}]]}

Decoded sFlow data

{"Version":5,"IPVersion":1,"AgentSubID":5,"SequenceNo":37591,"SysUpTime":3287084017,"SamplesNo":1,"Samples":[{"SequenceNo":1530345639,"SourceID":0,"SamplingRate":4096,"SamplePool":1938456576,"Drops":0,"Input":536,"Output":728,"RecordsNo":3,"Records":{"ExtRouter":{"NextHop":"115.131.251.90","SrcMask":24,"DstMask":14},"ExtSwitch":{"SrcVlan":0,"SrcPriority":0,"DstVlan":0,"DstPriority":0},"RawHeader":{"L2":{"SrcMAC":"58:00:bb:e7:57:6f","DstMAC":"f4:a7:39:44:a8:27","Vlan":0,"EtherType":2048},"L3":{"Version":4,"TOS":0,"TotalLen":1452,"ID":13515,"Flags":0,"FragOff":0,"TTL":62,"Protocol":6,"Checksum":8564,"Src":"10.1.8.5","Dst":"161.140.24.181"},"L4":{"SrcPort":443,"DstPort":56521,"DataOffset":5,"Reserved":0,"Flags":16}}}}],"IPAddress":"192.168.10.0","ColTime": 1646157296}

Decoded Netflow v5 data

{"AgentID":"114.23.3.231","Header":{"Version":5,"Count":3,"SysUpTimeMSecs":51469784,"UNIXSecs":1544476581,"UNIXNSecs":0,"SeqNum":873873830,"EngType":0,"EngID":0,"SmpInt":1000},"Flows":[{"SrcAddr":"125.238.46.48","DstAddr":"114.23.236.96","NextHop":"114.23.3.231","Input":791,"Output":817,"PktCount":4,"L3Octets":1708,"StartTime":51402145,"EndTime":51433264,"SrcPort":49233,"DstPort":443,"Padding1":0,"TCPFlags":16,"ProtType":6,"Tos":0,"SrcAsNum":4771,"DstAsNum":56030,"SrcMask":20,"DstMask":22,"Padding2":0},{"SrcAddr":"125.238.46.48","DstAddr":"114.23.236.96","NextHop":"114.23.3.231","Input":791,"Output":817,"PktCount":1,"L3Octets":441,"StartTime":51425137,"EndTime":51425137,"SrcPort":49233,"DstPort":443,"Padding1":0,"TCPFlags":24,"ProtType":6,"Tos":0,"SrcAsNum":4771,"DstAsNum":56030,"SrcMask":20,"DstMask":22,"Padding2":0},{"SrcAddr":"210.5.53.48","DstAddr":"103.22.200.210","NextHop":"122.56.118.157","Input":564,"Output":802,"PktCount":1,"L3Octets":1500,"StartTime":51420072,"EndTime":51420072,"SrcPort":80,"DstPort":56108,"Padding1":0,"TCPFlags":16,"ProtType":6,"Tos":0,"SrcAsNum":56030,"DstAsNum":13335,"SrcMask":24,"DstMask":23,"Padding2":0}]}

Decoded Netflow v9 data

{"AgentID":"10.81.70.56","Header":{"Version":9,"Count":1,"SysUpTime":357280,"UNIXSecs":1493918653,"SeqNum":14,"SrcID":87},"DataSets":[[{"I":1,"V":"0x00000050"},{"I":2,"V":"0x00000002"},{"I":4,"V":2},{"I":5,"V":192},{"I":6,"V":"0x00"},{"I":7,"V":0},{"I":8,"V":"10.81.70.56"},{"I":9,"V":0},{"I":10,"V":0},{"I":11,"V":0},{"I":12,"V":"224.0.0.22"},{"I":13,"V":0},{"I":14,"V":0},{"I":15,"V":"0.0.0.0"},{"I":16,"V":0},{"I":17,"V":0},{"I":21,"V":300044},{"I":22,"V":299144}]]}

Supported platform

• Linux
• Windows

Build

Given that the Go Language compiler is installed, you can build it with:

go get github.com/EdgeCast/vflow/vflow
cd $GOPATH/src/github.com/EdgeCast/vflow

make build
or
cd vflow; go build 

Installation

You can download and install pre-built debian package as below (RPM and Linux binary are available).

dpkg -i vflow-0.9.0-x86_64.deb

Once you installed you need to configure the below files, for more information check configuration guide:

/etc/vflow/vflow.conf
/etc/vflow/mq.conf

You can start the service by the below:

service vflow start

Kubernetes

kubectl apply -f https://github.com/EdgeCast/vflow/blob/master/kubernetes/deploy.yaml

Docker

docker run -d -p 2181:2181 -p 9092:9092 spotify/kafka
docker run -d -p 4739:4739 -p 4729:4729 -p 6343:6343 -p 8081:8081 -e VFLOW_KAFKA_BROKERS="172.17.0.1:9092" mehrdadrad/vflow

License

Licensed under the Apache License, Version 2.0 (the "License")

Contribute

Welcomes any kind of contribution, please follow the next steps:

• Fork the project on github.com.
• Create a new branch.
• Commit changes to the new branch.
• Send a pull request.