What Is Network Monitoring?

To some it might feel like the local area network (LAN) has lost some of its importance. After all, it's old for a tech buzzword and these days everything is running from the cloud, so how important are local networks anyway? The answer is: Probably more than ever. The LAN is now the 'last mile' in terms of cloud service delivery, and if you're one of those businesses that's utilizing 5, 10, or more cloud services as everyday work tools for your employees, then that's a lot of network traffic competing for LAN bandwidth.

Today more than ever, an unreliable data network can literally bring a business to a standstill. For instance, if the systems attached to your network can't get an IP address by using Dynamic Host Configuration Protocol (DHCP), then they won't be able to communicate with any other system. Similarly, if Domain Name System (DNS) isn't functioning properly, then your systems won't be able to look up the address of any system on the internet. The way in which you manage bandwidth and network utilization will directly affect the productivity of all users connected to your corporate network. To help you, we've tested and compared 10 of the top network monitoring software solutions available today. Most are cloud-based and all of them can help you keep your users connected and your network pipes safe.

Some of those services cross over into the category of infrastructure due to the criticality of the service. Monitoring services such as DNS then becomes more of an infrastructure management issue as opposed to a network consideration. DHCP probably fits the same description, although the managing of a DHCP service would be something for which a network administrator would typically be responsible.

Simple Network Management Protocol (SNMP) was first introduced in 1998 under Request For Comments (RFCs) 1065, 1066, and 1067. SNMPv2 and SNMPv3 have, for the most part, replaced the initial version and have seen widespread adoption across a variety of platforms. While SNMP is most frequently associated with networking, you can also configure operating systems (OSes), to include Microsoft Windows, to respond to SNMP commands. A key consideration for network management tools should be how they use SNMP to accomplish their tasks.

If you really want to know what's happening on your network, then you'll need to learn something about network flows. NetFlow was originally introduced for Cisco routers, providing the ability to analyze IP network traffic entering or exiting a specific interface. Flow data is sent to a collection point (typically a system running a database) to make query-based analysis easier. Other switch manufacturers followed suit, along with other similar sampling tools such as sFlow. A large number of networking hardware vendors including Arista Networks, Brocade Communications Systems, Hewlett-Packard, and others provide native sFlow support. You can find a full description of sFlow under RFC 3176.

Important Features

A number of key features stand out as specific needs to adequately fulfill the role of network management. For one, from an administrator's perspective, it's nice to have visual graphics that give you a quick overview of the current system status. Having the ability to tweak the arrangement of graphical elements on a dashboard is an added plus. Providing a mechanism to alert someone of a problem is necessary across the board.

IP Address Management (IPAM) has become a vital capability for many large organizations. Keeping track of statically assigned addresses, along with a large number of DHCP pools, can't be adequately managed with a manual system. Integrating IPAM with a network management tool just makes sense as the same person quite frequently handles both functions.

Automation is the key to managing large numbers of devices. The more you can automate small administration tasks, the more efficient the process becomes. Automated alerting and repair fall into this category and represent a key differentiator between products. Add to that the ability to remotely connect to your monitoring system, and you have the makings of a solid product.

Software-Defined Networking (SDN) is a hot topic and not without a significant level of confusion—unless you happen to be either a vendor or a technologist with a vested interest. At a very high level, the term SDN is used to describe the functional separation of the network control plane and the forwarding plane, making it possible to dynamically configure data paths for optimum performance. None of these products really get into SDN, except at the top level of monitoring the performance of a switch.

How We Tested

In this roundup, we call out several areas to help focus the evaluation. While installation and setup is something you really only do once, it's still an area of interest. For the network management category, the initial configuration may include making changes to your switches in order to enable the transmission of NetFlow or sFlow data. Changes to production switches typically require a significant amount of justification and approval prior to implementation. It would be prudent to prove any of these test methods on a small test network before moving onto any larger environment.

That being said, we used an HP Procurve 3800 managed switch as the primary sFlow source. Enabling sFlow on the switch required the entry of a number of commands at the switch command line interface (CLI) over an SSH connection. We also had to upgrade the switch firmware to the latest version for everything to work correctly. At least one product (ManageEngine OpManager) provided a script to enable sFlow along with a one-page 'how-to' document to do that for you.

From an administrator's perspective, the user interface (UI) must be easy to navigate and customize. It should quickly present any problem areas and allow an operator to drill down for more specifics without a huge number of clicks. The customization of the UI and management of features must not require a programmer to make it properly work. Alerting is a basic requirement, with the ability to customize the priority and delivery an equally important feature.

Reporting should be equally as easy to administer. Creating a new report with a query specific to the information of interest should not require a database administrator. Extra points are given here for useful graphics and multiple export formats. Role-based access may not be a big deal for a small organization but it would be for a group with multiple IT administrators.

The bottom line with network management is to keep the network smoothly functioning, with an eye on overall usage. Having the ability to see trends and potential problems can help stave off any future problems and add value to any product.

How to Buy

The first step for any IT project is to define the requirements. For network management tools, the foundational pieces include the ability to see detailed information about key pieces of hardware such as switches and routers. Many organizations don't have the staff to monitor computer screens 24/7. Automated alerting and remediation would be a key requirement in that case to help reduce the administrative manpower required. Trend-based reporting and monitoring help determine utilization levels and identify potential bottlenecks before they become a problem. Good reporting tools would be another requirement, to include the ability to create customized reports and queries.

Once you have that list of essential requirements, you should be able to look at each one of these products and determine if they meet those requirements or not. If more than one product qualifies, you'll need to do some testing on your own to see which one best suits your needs. Pricing varies, starting with free, then from a low-end, per-server, per-month of $1.24 up to a purchase price of $1,995 for up to 50 devices.

Featured Network Monitoring Software Reviews:

• LogicMonitor Review

  
  MSRP: $375.00
  

  Pros: Agentless, comprehensive and secure systems monitoring service. Excellent online help and technical support options. Sophisticated alert, collaboration, and workflow management features. Customizable dashboards put monitoring and in-depth troubleshooting information at technician's fingertips. Comprehensive and customizable reporting.

  Cons: High volume of information and multiple customization options make it rather complex. Steep learning curve for those not familiar with monitoring tools and services.

  Bottom Line: LogicMonitor is a venerable management tool that still sports cutting edge tools, including collaboration, workflow, and excellent dashboarding capabilities. Its steep learning curve my keep it out of reach of small businesses, but for those serious about their web properties, LogicMonitor is an able solution.

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• Paessler PRTG Network Monitor Review

  
  MSRP: $0.00
  

  Pros: Hierarchical device view summarizes performance data and alerts at every level. QR codes corresponding to a particular device or sensor can be printed out and attached to physical hardware for quick monitoring from a mobile app while in the data center.

  Cons: Some functionality in Enterprise Console redirects you to the web console; however, this will change with Paessler PRTG Desktop when it's introduced. Sensor-based licensing model could get expensive in organizations running many roles per device.

  Bottom Line: Paessler PRTG Network Monitor does s solid job as both an infrastructure management tool as well as a network monitor. Companies of all sizes could make good use of this package.

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• ManageEngine OpManager Review

  
  MSRP: $1995.00
  

  Pros: Customizable user interface even more visually pleasing thanks to updates done since our last review. Support for Cisco UCS, Citrix XenServer, Microsoft Hyper-V, and VMware vCenter.

  Cons: Everything must be installed on-premises. Cloud management requires a different product.

  Bottom Line: ManageEngine OpManager primarily focuses on infrastructure management, but also gives IT generalists some good application performance management and network monitoring features.

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• Spiceworks Network Monitor Review

  
  MSRP: $0.00
  

  Pros: It's free. Extensible with other (not free) products. Good basic monitoring. Easy to use and understand.

  Cons: The product is at the end of its life and will eventually be replaced by a new cloud-based product.

  Bottom Line: Spiceworks Network Monitor is mature, free, and very slick, with enough IT punch to act as a one-stop IT shop for small to midsize businesses. It also gives you access to the Spiceworks community, which is an informed and responsive IT expert community.

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• Datadog Review

  
  MSRP: $15.00
  

  Pros: Agent installation can be automated. Advanced graph functionality. High level of customization. Now offers over 200 built-in integrations plus an API.

  Cons: Heavy learning curve to several key features.

  Bottom Line: Datadog is an infrastructure management service that's ideal for IT shops that can fully leverage its automation, application programming interface (API), and data analysis capabilities. Datadog also offers many integrations, dashboards, and alerts that smaller companies will find useful.

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• ConnectWise Automate Review

  
  MSRP: $1.00
  

  Pros: Ability to automate agent installation, and manage system and vendor patch deployment. Ability to offer self-service options to users. Allows multiple vendors to integrate with ConnectWise Automate, supporting use of their products without leaving the software.

  Cons: Some functionality requires plug-ins, URL changes. On-premises installation requirements.

  Bottom Line: ConnectWise Automate, formerly known as LabTech, does a solid job as an agent-based infrastructure and network monitoring platform with good support for self-service and third-party integration.

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• Ruckus Wireless ZoneDirector 1200 Review

  
  MSRP: $1095.00
  

  Pros: Self-establishing mesh network ensures reliable coverage. Network controller offers management and monitoring as well as IPS features such as rogue detection. Supports very high speed wireless connections.

  Cons: Must use Ruckus access points.

  Bottom Line: The Ruckus Wireless ZoneDirector 1200 WLAN Controller can bring enterprise-grade wireless network management into small and medium businesses transparently and without the need for wireless networking expertise.

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• Idera Uptime Infrastructure Monitor Review

  
  MSRP: $125.00
  

  Pros: Good use of graphical elements on dashboards to visualize system status. Out-of-the-box support for VMware vCenter Hyper-V and Zen. Comprehensive and flexible reporting.

  Cons: Some plug-ins require additional installation such as Python. Error conditions displayed on dashboard graphics are not clickable.

  Bottom Line: Idera Uptime Infrastructure Monitor is a comprehensive infrastructure management choice for midsize IT shops due to its ability to manage cloud-based infrastructure and its decent support for third-party plug-ins.

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• Ipswitch WhatsUp Gold Review

  
  MSRP: $2656.00
  

  Pros: Good-looking user interface and dashboards with useful data presentation. Utilizes existing management protocols such as SNMP and WMI to gather its information.

  Cons: Everything must be installed on-premises.

  Bottom Line: Ipswitch WhatsUp Gold is a comprehensive infrastructure management service. Its new version offers capabilities such as cloud performance monitoring for Amazon Web Services (AWS) and Microsoft Azure as well as billing performance monitoring.

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• Vallum Halo Manager Review

  
  MSRP: $895.00
  

  Pros: Built on open-source software. Extendable feature set through apps. Decentralized architecture has its benefits.

  Cons: App installation is a three-step process per app. Very limited reporting capabilities. Minimal alert functionality.

  Bottom Line: Vallum Halo Manager keeps things simple, with features through apps that can be delivered quickly, and a decentralized architecture. But major usability concerns in the form of app installation and reporting prevent Halo from being a solid competitor in the network monitoring and infrastructure management arena.

  Read Review

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Description of Program

Security Monitor Pro turns your PC and IP cameras into a complete video surveillance and security system. It is easy to use and extremely reliable for daily operation. The setup takes only a few minutes, even for a beginner. There are currently over 2200 different IP camera models and virtually all webcams are supported.

Security Monitor Pro is a complete IP video surveillance software in terms of functions. Security Monitor Pro turns your PC and IP cameras into a complete video surveillance and security system. It is easy to use and extremely reliable for daily operation. The setup takes only a few minutes, even for a beginner. There are currently over 2200 different IP camera models and virtually all webcams are supported. Security Monitor Pro is the most complete IP video surveillance software in terms of functions.

When motion is detected, you can configure the program to create a video recording of the event, take photos, sound an alarm or send you an email notification. Each camera has its own settings for motion detection, recording and actions. You can program cameras to monitor movement between certain hours or on specific days of the week. Security Monitor Pro can automatically load videos and photos recorded on an FTP server for backups or view them remotely on a website.

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An optional hidden mode keeps the Pro Security Monitor in the background with no icons on the Windows taskbar. No one will know that video surveillance software is running on your PC.Events are recorded from the beginning, a few seconds before the motion is detected. This allows you to see the trigger event occurring within the first few seconds. Security Monitor Pro preserves evidence of all activities in an event log by date and is displayed by camera name.

Features at a glance:

• Live preview
• Control up to 32 simultaneous camera feed
• Support for 2,200 camera and counting models
• Add IP and Webcams
• ONVIF support for IP cameras
• Viewing views on multiple monitors
• Adjust preview orientation from 1 to 360
• Smart Fit camera preview to the window
• Cyclical view of the cameras
• View JPEG, MJPEG, MPEG-4 and H. 264 sequences of IP cameras
• Panoramic, tilt and zoom cameras to adjust coverage areas
• Supports high-resolution cameras with multi-resolution recording
• Export and import cameras with individual settings
• Operate in hidden mode
• Recording
• Record multiple cameras simultaneously
• Capture live events and save them as video files
• Add timestamps and watermarks to your images
• Set your camera to start recording automatically
• Record audio with video
• Adjust video quality

Snapshot:

Motion Detection

• Set up motion-activated actions individually for each camera
• Receive an email notification when an alert is activated
• Detect, highlight and record the motion event
• Masking an area to exclude motion detection
• Avoid false alarm by adjusting the activation level of the movement
• Setting the audible alarm on motion detection
• Run a program or script when prompted
• Camera Hours
• Create schedules for each camera individually or in groups
• Cameras can be programmed to monitor movement daily, weekly or at any custom time
• Initiate actions of recording, transmission or video monitoring at a specific time

Review

• Built-in media analyzer for quick review of all captured events
• Filter the recordings by camera and time
• Play videos at 4x speed and display keyframes only
• Keep a complete event log for all cameras
• Automatic deletion of old recordings to free up disk space
• Live video streaming on the Internet
• Search for IP cameras on the network
• Automatically upload video and photo recording to your website or any FTP account

What’s New in Security Monitor Pro? Version 5.4

• Improved performance: Efficient CPU and memory utilization provides faster application response and improved stability.
• Secure access: Lock the settings with a password so others can only see the camera preview and watch the motion events. Prevents users from monitoring, alerting or shutting down applications.
• Support for ONVIF cameras: Security Monitor Pro automatically detects and lists all ONVIF cameras configured on your LAN. Also,
• connect directly to any ONVIF compatible PTZ camera without having to wait for specific camera support.
• Copy Camera Actions: Save time by quickly adding monitor actions from previously configured cameras.
• New IP cameras supported: Support for 55 new IP cameras. Check out our complete list of supported IP cameras.