SolarWinds NetFlow Generator simulates network flow data, allowing you to test and validate all your configurations. This utility is useful, especially when testing more complex network elements, like firewall rules, load balancers, and alert trigger conditions.
The Generator console, as with NetFlow Replicator, is easy to use. You can then add endpoints. The Configurator lets you establish a router, from which you can send NetFlow records to the collector.
This utility first asks you to input device information and credentials, including IP address or hostname; choose the SNMP version v1, v2, or v3 ; and establish the community string i. The next stage asks for destination details, including IP address or hostname and port. You can then apply these conditions, and a summary is generated. For a free tool, SolarWinds Flow Tool Bundle is excellent for helping you get ahead of a problem before it affects performance.
It cannot detect network performance issues, diagnose them, or resolve them. It cannot track availability, response time, or uptime of switches, routers, and other SNMP-enabled hardware. ManageEngine is a big-name competitor in the field of network software development, and OpManager is one of its most popular products. OpManager is not just a LAN monitor.
It monitors routers, switches, load balancers, firewalls, wireless LAN controllers, virtual machines VMs , servers, storage devices, printers, and more. This tool also offers both physical and virtual monitoring of Windows and Linux servers, and the performance of VMs and host computers powered by VMware, Hyper-V, and Xen platforms.
Essentially, anything and everything with an IP and connected to the network can be monitored. To undertake this monitoring, OpManager uses more than 2, built-in monitors for network performance, covering pretty much everything you could imagine. With WAN link monitoring, you can stay on top of key metrics like jitter, RTT, and packet loss, even viewing hop-by-hop performance to more quickly identify the root cause of latency. I also appreciate the OpManager alerts system, which allows you to establish multi-level thresholds.
These thresholds can be associated with a single device or applied across multiple devices. Notifications are delivered by SMS, email, or both, but you can also configure OpManager to run external programs or homemade scripts automatically when an alert is triggered. OpManager lets you customize your dashboard with over performance widgets, which can be arranged according to your taste and priorities.
This gives you a rapid, at-a-glance perspective on your network. The console features a map of your network, giving you a constant overview of its status. This is informed by the auto-discovery utility, which finds all the devices on your network. Besides maps, other graphical representations are available, including charts and dials.
Each of the graphs is color-coded, making it easy to interpret. For further detail, just click on the graph and it will expand in size to give you a better view. OpManager is primarily a paid tool, but it does offer a free version to monitor up to 10 devices. However, if you want to get a taste for OpManager without downloading the free trial, you might give the free version a shot. There are two OpManager plans available besides the free one: Professional and Enterprise.
With the Professional version, you can manage up to 1, nodes. With Enterprise, you can manage up to 10, nodes. Both options can also monitor WAN and voice systems, using QoS utilities and remote monitoring functionalities to do so. If you want to try the Professional or Enterprise versions of OpManager, a free trial of each is available. AppNeta takes a four-dimensional approach to monitoring by combining active and passive strategies for collecting data, to create an actionable understanding of your network.
AppNeta provides insight into private cloud deployments, public cloud infrastructure, and remote sites. The LAN monitoring utilities offered by AppNeta combine delivery path monitoring with application identification and the analysis of traffic. The tool proactively identifies congestion issues and high retransmit rates to give you a clear overview of how network performance might be degrading.
This proactive approach means if an issue arises, a deep network path diagnostics process is initiated, and an SNMP device poll is triggered. The results of this process will give you a detailed and comprehensive understanding of the problem, so you can identify and treat the root cause. To achieve a truly healthy network, you need a tool to provide as much detail as possible, with the aim of rooting out the origin of a problem.
With this program, you can monitor retransmit rate, throughput, latency of the network, and latency of applications for each host and user. This internet usage monitoring software allows you to measure all the traffic in your network by monitoring the data directly on your routers.
PRTG Network Monitor also helps you determine how much bandwidth your devices and applications are using and monitor heavy overloads, so you can quickly and accurately pinpoint bottlenecks. Depending on your network and hardware, you can use different protocols, like SNMP, flow, or packet sniffing, to leverage the tool and determine who or what is using your bandwidth. This all-in-one solution goes beyond bandwidth analysis and monitors SQL, Exchange, and server software as well as all your cloud and virtualization applications, making it an elaborately in-depth service offering.
You can even use the tool as a network speed monitor. The Windows-based PRTG tool comes in two editions: a free version for monitoring up to sensors and a commercial edition for those who need to monitor a greater number of sensors. But depending on the volume of sensors you need to monitor, the software can quickly become a drain on your budget.
ManageEngine NetFlow Analyzer touts itself as a complete traffic analytics tool, and for good reason. Once you have access to analytics, you can classify applications hogging your network bandwidth and even reconfigure your policies via application-level QoS shaping, helping you regain control over those bandwidth-hungry applications. The security features of this bandwidth monitoring tool are also worth noting.
While many of the more robust products come with a price tag, there are some great free options for IT technicians looking to capture the basics. This free bandwidth usage meter allows you to check server bandwidth usage in real-time and monitor multiple interfaces simultaneously. All bandwidth usage data is displayed visually via graphs to help you perform more critical analysis.
This tool is free and straightforward to use. Simply enter the IP address of the network device and associated SNMP credentials, then select the interfaces you want to monitor, and a graph will populate with bandwidth usage in real-time—no complicated install processes to worry about here.
Leveraging both tools makes it easy to quickly identify the types of network traffic by flow data capture—including NetFlow, J-FLow, and sFlow data—and provides multi-interface monitoring for bandwidth usage in real-time. It offers a bit more detail than some of the other free options out there by allowing you to see traffic by conversation, app, domain, and endpoint. The platform allows users to sort network traffic according to a wide range of criteria, including IP address, port, L7 protocol, autonomous systems, and more.
Ntopng displays network traffic and active hosts in real time, so you can stay up to date while producing historical reports to review data and better identify trends. It can also integrate with external monitoring applications such as Nagios for alerting and provide data for monitoring.
PRTG lets you keep a constant eye on their status. As distribution nodes, your switches are also under extreme pressure. All it takes is one single switch to overload for your entire LAN network to suffer. Never lose sight of your switches with PRTG. If a switch overloads, you'll notice it at once. PRTG monitors all kinds of hardware and servers.
Whether database, mail, or web servers: PRTG gives you an uninterrupted overview and total control so your servers can run both smoothly and flawlessly. And you'll be notified quickly at the very first sign of trouble. How much network bandwidth do you have? Which devices and applications need how much bandwidth?
With PRTG, you'll have your finger on the pulse of your bandwidth. And that means you can ensure the hassle-free operation of your company or organization. Your LAN network should be completely operational at all times. Example: a router switches off at night - without your knowledge. Scenarios like this are virtually impossible with PRTG.
Firewalls are attacked countless times each and every day. As an administrator, you must be notified immediately if your firewall is down. Should your firewall crash, you'll immediately receive an SMS, e-mail, or other type of push notification. Your company or organization is experiencing continuous growth?
An increase in employees leads to a greater amount of traffic - and even more devices. This automatically results in bottlenecks. Monitors the headers of data packets that pass a local network using a built-in packet sniffer. It can show the following traffic types analyzes only header traffic!
Shows traffic for NetFlow V5-supported devices, split by type and is able to divide traffic into channels. Traffic types include:. Shows traffic for NetFlow v9-supported devices, split by type and is able to divide traffic into channels.
Shows traffic for IPFIX-supported devices, split by type and is able to divide traffic into channels. Shows traffic for jFlow-supported devices, split by type and is able to divide traffic into channels. Shows traffic for sFlow-supported devices, split by type and is able to into channels. Monitors bandwidth usage and traffic on a network interface using WMI or Windows Performance Counters and can show among others:.
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