NetVizura Blog

How to rotate Scrum Master role?

Scrum-master
Sometimes it may happen that your team finds itself without a dedicated Scrum Master, so very few things are done to improve process of work, which leads to productivity stagnation and decline.   Typically some members spontaneously take over so...
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NetVizura VS NFSEN - Paid vs Free Solution tested

NetFlow-Analyzer-Netvizura
We have made a short comparison between paid NetVizura and free NFSEN software for NetFlow Analysis and here is what we have concluded... Obviosly, small companies that have only few exporters and not a lot of traffic to monitor, would more ofte...
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Free or Paid NetFlow Analyzer?

NetVizura-Free-vs-Paid-solution-2
Let's say you are a network admin responsible for managing growing or distributed network, that you have a need for a more in-depth monitoring of your traffic and events, and now you need to make a first decision about which type of tool you would li...
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All you need to know about Manual Deduplication

All you need to know about Manual Deduplication
In our previous posts we have talked about duplication problem and possible solutions. We have explained how to set up automatic deduplication and hopefully this was helpful. Now we are going to go one step further and explain how to set up manual de...
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When to use Network Traffic Sampling

When to use Network Traffic Sampling
​In our past blog posts we have already wrote about NetFlow configuration and exporting settings for various situations that you might find yourself in. Now we will go one step further in Flow Analysis and try to help you make up your mind whether to...
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232 Hits

Flow export configuration on Juniper network devices

Flow export configuration on Juniper network devices
Juniper first started with Jflow support, similar and compatible to Cisco Netflow standard, and later added support for vendor-neutral IPFIX. Flow export in Juniper terminology refers to inline active flow monitoring. This feature is implemented dire...
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Flow export configuration on Cisco network devices

Flow export configuration on Cisco network devices
The topics in our previous posts were mainly related to flow optimization and configuration in terms of achieving optimal results on the flow collector side. The diversity of routers and L3 switches on the market as well as their support of different...
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333 Hits

Exporting NetFlow Traffic to Multiple Servers

Exporting NetFlow Traffic to Multiple Servers
Until now we have wrote about different ways and options for exporting and collecting NetFlow traffic. Today we will go one step further in this area...  Often it is necessary to export NetFlow traffic on more than one server (production, develo...
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222 Hits

2 Ways of Exporting Without Netflow Capable Device

2 Ways of Exporting Without Netflow Capable Device
​There are situations when you need to get NetFlow statistics, but having a device that does not export Netflow can be a bummer. There is always a solution...  When a network device is not supporting NetFlow protocol, you can use a server with a...
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How to solve duplicated NetFlow caused by multiple exporters

How to solve duplicated NetFlow caused by multiple exporters
We have already wrote about configuration duplication in the previous post How to configure devices and not duplicate NetFlow.   Now we will help you understand and solve exporters deduplication - what to do when same flow is exported by differe...
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264 Hits

How to configure devices and not duplicate NetFlow

How to configure devices and not duplicate NetFlow

This post gives a short explanation of NetFlow duplication problem, why it is important and how to overcome it. Network admins think about their data and if it is actually correct and deduplicated. And rightfully so! This should not be on their list of concerns - NetFlow analyzer should include out-of-the-box solution to this problem. Unfortunately, this is often not the case because exporting and processing NetFlow data depends on the network and its complexity.

In general, there are two ways duplication can occur:

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349 Hits

Top 5 DevOps commands for PostgreSQL

Top 5 DevOps commands for PostgreSQL

Searching for these SQL commands is tempting every time, whether you have done it before.To avoid collecting these commands from different sources and wasting a lot of time, we have collected them all here to be reachable and available for everyone, anytime. These are the ones we needed and considered to be very useful...

 

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355 Hits

How to choose a NetFlow Analyzer?

How to choose a NetFlow Analyzer?

As you probably noticed, interest toward NetFlow has sharply risen in the previous years. This is due to the fact that its dataset provides much more detail and effective traffic analysis than simple SNMP monitoring. It is also lightweight and it does not require to store big data and intrude on people's privacy as in the case of Deep-Packet Inspection. For this reason, NetFlow has expanded its application beyond networking and it is now used even by system and security admins.

 

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