![]() ![]() Which network bandwidth monitoring tools are right for you? There are several considerations when performing a network monitoring tools comparison. For more on these technologies, see Intro to traffic analysis in The best free NetFlow analyzers and collectors for Windows, and NetFlow vs sFlow: What’s the difference and which is better? Network bandwidth monitoring tools If your network devices support a traffic monitoring protocol like NetFlow or sFlow, they can publish traffic data to your monitoring tool. That congested link may be hiding the under-provision of bandwidth in other areas of the network. Adding on extra bandwidth to alleviate overloading on one link can cause extra throughput to get through and overload other links. One link can get congested, while others retain spare capacity. You need to watch the bandwidth consumption of each link in your network, not just the overall bandwidth availability. You can extend that visibility further by getting a breakdown of traffic volumes by application or by source and destination to spot where the real bandwidth hoggers are. Most managed network devices – and hosts – support SNMP, and so they can be queried to get performance statistics.īandwidth monitoring focuses on the available capacity of network equipment and the amount of that capacity that is occupied by traffic. A host can observe all the data packets passing by a particular network interface (that is, packet capture). Tools that monitor network traffic and bandwidth such as data usage meters can leverage various technologies. Are you getting your expected bandwidth and availability, or is something failing to deliver? Is unexpected traffic consuming the bandwidth that you are getting? Your ISP promises to provide you with a reliable pipe to the Internet of a certain volume your chosen network hardware install is designed to provide a particular level of service within your facility. Related post: The difference between Throughput and Bandwidth Why use a network traffic monitor tool? You will only discover that situation when you monitor bandwidth consumption on your internet connections. You may have chosen a plan that does not provide you enough bandwidth. You no doubt have a service plan with an internet provider to connect your business together across the world and to communicate with suppliers and customers. If you run a WAN with a lot of interaction between sites, if you integrate Cloud services into your IT infrastructure, or if your main business outlet is your website, your bandwidth monitoring needs to cover internet performance as well as network bandwidth utilization.
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