NetVizura Blog

How to migrate PostgreSQL data in Windows Server

Sometimes we are in a need of migrating database to new disk, usually because of the lack of space on the former. PostgreSQL in Windows stores it's files in data folder, in Program Files, in it's usual installation procedure.   In this...
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1288 Hits

NetFlow Analyzer - End Users Traffic Analysis

When thinking about network traffic and security, we usually end up considering NetFlow Analyzers for analytics and monitoring. It allows us to plan our network and detect security issues fast and easy. But the raising concern is also our core need f...
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  1521 Hits
1521 Hits

Multicast accounting configuration using Flexible NetFlow - Part Two

As the problem of multicast flow analysis was addressed in our previous blog, we have distinguished two scenarios – input and output flow accounting configuration. Therefore, during the following demonstration, we will investigate how NetFlow multica...
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2498 Hits

Multicast accounting configuration using Flexible NetFlow - Part One

​ With the rapid proliferation of video services, particularly video streaming, deployment of multicast services demands an appropriate monitoring to be in place in order to keep track of this traffic type. Adequate and comprehensive monitoring is pa...
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  2913 Hits
2913 Hits

Specific traffic patterns monitoring (Facebook, YouTube, Twitter...) that will make your life easier

Enterprise network administrators are facing an increasing number of challenges when it comes to network monitoring. Business critical services must be clearly distinguished from the other traffic classes and always monitored in terms of specific QoS...
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  3645 Hits
3645 Hits

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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  2474 Hits
2474 Hits

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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  6581 Hits
6581 Hits

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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  4160 Hits
4160 Hits

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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  3661 Hits
3661 Hits

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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  2655 Hits
2655 Hits

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