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Questions tagged [sflow]

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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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I need some advice about L2 traffic fetching. Here's the situation : I got 2 datacenters where both core switch (Cisco Nexus9000 C93240) are linked each other through a 1GB/s vPC where our VLANs are ...
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Hello fellow networking folks, I'm currently trying to build a small monitoring solution for multicasts. In our lab we have a Nexus9000 C93108TC-EX running version 7.0. I want to start with this ...
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I'm trying to set my Force10 switch act as agent and send sflow data to collector. Some how no packet sent to collector. Here is from my force10: sw-dell-1g-office#show sflow sFlow services are ...
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I am running cisco nexus C93180YC-EX switch and I would like to enable sflow for collector. I did similar config on 9396PX model and it works but Nexus 93180 is little different. I am running NXOS 9.3....
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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 ...
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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/...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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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 ...
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How is sFlow different from netFlow, and how is each supported by different vendors ?
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