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In a hub and spoke deployment, is it necessary to add netflow export at the spoke and the hub or is spoke adequate? In a deployment with netflow on at hub and spokes, would the traffic be counted twice by NTA when comparing traffic volumes? Regards Frankie
Hi all, We've been using NTA for a while, but finding it's value fairly limited. The main reason is that it doesnt appear to reflect actual usage of the interfaces we're monitoring. For example, we monitor outside interfaces on routers, or layer 2 passthrough interfaces on core switches, but ALL of our NTA data then shows…
Hi all, I have a requirement to audit all flows in/out of a specific subnet for approx. 1 month. Can anyone give me a steer on how best to configure Solarwinds NetFlow and how I can generate a flat file listing all flows seen during the analysis period. Thanks in advance, Tim
Is it possible to just remove the TN$YYYY-MM-DD@##_0 files from /FlowStorage/Data/Flows for old date we do not want to keep? We have set the retention settings set but we have a large number of older folders and data in this directory and we are nearly out of space. I have opened a ticket with support to find out why the…
After working with NPM for years, I am new to NTA. I was going through my Netflow Settings and came across this: DNS and NetBIOS Resolution Maximum time spent to process IP addresses: Custom number of minutes [60] (currently, you have 566 expired IP Addresses) Is this supposed to be clearing them out and it is not? or Is…
Can anyone help me out here...apparently, I'm not understanding something. If I look at Endpoint traffic and Conversations charts on the "Netflow Node Detail" screen of a router, the Endpoint chart shows traffic peaking at 7.5Mbps on a 10Mb circuit and the Conversations chart shows that same time-frame with a peak of…
Hi, I've been trying to schedule some Netflow Reports for specific URL links. This work when you schedule the URL to run only, and then save it to pdf, but the problem is that the graph, and data in the chart takes a while to display, so the PDF saves/prints before the complete graph and data is displayed. It still prints…
Does NTA have any built in queries or user defined queries to detect security threats, or is it just LEM?
HI Thwackers! When my clients are just starting out working with NetFlow Traffic Analyser, one of the most common questions I get is: "How do I configure my devices to export NetFlow Data?" If I'm not able to be hands on with them there and then, I share one of SolarWinds' own guides, as I've found that it explains…
Good afternoon y'all. I see on the SW NTA datasheet the versions of NetFlow and sFlow covered, but not J-Flow or IPFIX. Does anyone have any knowledge of what versions of J-Flow or IPFIX are supported? Thanks everyone!
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