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Questions tagged [sflow]

For questions about sFlow, short for "sampled flow", is an industry standard for packet export at Layer 2 of the OSI model. It provides a means for exporting truncated packets, together with interface counters for the purpose of network monitoring.

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sFlow configuration tcam question for Cisco Nexus 9396PX platform

I am trying to configure sflow on Nexus 9396PX switch and having some difficulty to understand tcam region. hardware access-list tcam region span-sflow 256 ! feature sflow sflow counter-poll-interval ...
Satish's user avatar
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0 votes
1 answer
179 views

Best practices to build network flow monitoring

Recently I'm investigating the solutions for ip flow monitoring, and come across a lot of pages talking about different solutions and trade-offs between netflow, sflow, IPFIX, etc. In short, netflow/...
lordofire's user avatar
1 vote
2 answers
148 views

The Best Way to Secure sFlow Exports?

Hi Network Masters, I have recently gotten my network devices to export sFlow records to my sFlow collector. Trouble is, all those sFlow exports are being sent across my network in cleartext. A lot ...
Pete's user avatar
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1 vote
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SFLOW :: My Throughput Calculations Need a Constant Offset?

Hello Networking Jedi Masters, I recently set up vFlow, an open source sFlow collector from Verizon Digital. The collector works great, is quite stable, and easy to manage. I can’t say enough nice ...
Pete's user avatar
  • 135
0 votes
1 answer
138 views

How to use SFLOW for per-flow throughput?

I have a working sFlow collector on my network (vFlow, available as an opensource solution on GitHub, very awesome). The collector is running, successfully receiving sFlow data from my network ...
Pete's user avatar
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1 vote
1 answer
257 views

sflow configuration Cisco Nexus 9396PQ

We have Cisco a Nexus switch with M12PQ 12x40G GEM expansion card. Today when i enabled sflow on one of 40G interface i got following error: # sflow data-source interface e2/12 In order to enable ...
Satish's user avatar
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0 votes
2 answers
917 views

How to calculate traffic in bytes from sFlow datagrams?

I want to approximate network traffic in bytes by writing a sFlow collector that receives sFlow datagrams, parses them, extracts key information only and applies a formula that summarizes the traffic ...
Darkov's user avatar
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1 vote
1 answer
1k views

How to use sFlow-RT with RYU (SDN Controller) for detecting flows in a Mininet Topology?

I am new to Software Defined Networking and can't really get a full grasp of it. I want to detect the flows in a Mininet Topology created in linux environment using sFlow-RT and RYU Controller. I am ...
Kavya Barnadhya Hazarika's user avatar
1 vote
1 answer
565 views

sflow top talker support

I have nexus 9300 switch and i have configured sflow and i want to find out top-talker IP from command line but i am not seeing any command. I have Cisco ASR1k and i have configured netflow and i ...
Satish's user avatar
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24 votes
4 answers
68k views

What is the difference between netFlow and sFlow?

How is sFlow different from netFlow, and how is each supported by different vendors ?
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