Online Security through a Network Monitoring System

Enhance Your Network Stability with Network Monitoring Systems. Learn how to optimize performance and prevent issues. Discover more in this technical blog.

A Network Monitoring System not just helps in avoiding unauthenticated access to the network, it also allows network administrators in determining the real-time network stability and whether or not it’s running optimally. Using specially designed network monitoring software, administrators can dynamically identify flaws, better the efficiency of the system, and more.

Introduction to Network Monitoring Systems

Network monitoring systems entail a combination of hardware and software tools that can track different aspects of a network and its functions, these include bandwidth utilization, online user traffic, and network uptime. These tools help administrators in identifying devices and other elements that form or interact with the network.

Network administrators are quite dependent on these network monitoring systems to assist them in determining connection failures or problems such as traffic bottlenecks that restrict the flow of data. These software tools act as alarming systems which alert the administrators via email, text messages, or delivery reports.


Software tools for network monitoring collect data from a network utilizing an On-Premise Poller. This assists in monitoring both internal and external network types. Such software tools help in monitoring network devices such as switches, SNMP, ICMP, or CDP. What do these abbreviations stand for and how can they be facilitated? Let's understand it better.

The types of network monitoring protocols in use

SNMP (Simple Network Management Protocol)

The SNMP is an application-layer protocol that utilizes a call-and-response system to perform the status checks for different types of devices in contact with the network, these devices vary from switches to printers. Simple Network Management Protocol (SNMP) can be a good fit for monitoring network system statuses and configurations.

ICMP (Internet Control Message Protocol)

This type of network monitoring protocol is used to share IP-operation information and to develop error notifications in the event of a device malfunctioning. The type of network devices used can be routers and servers.

CDP (Cisco Discovery Protocol)

This type of network protocol facilitates managing Cisco devices by precisely discovering its presence, reporting their configurations, and checking systems using varying network-layer protocols for clear identification.

Objectives Behind The Study

  • To be able to understand the need for network monitoring systems.
  • To recognize the benefits of early fault identification in a network.
  • Understanding the root cause elimination process, in order to avoid the effect on operations.
  • Analyzing network health parameters such as packet loss, speed, latency, discards and errors, and monitoring, performance bottlenecks.

Key Benefits of Network Monitoring

Benchmarking Standard Performance

IT process disruptions can be triggered by a variety of factors:

  • Human Error
  • Incompatible Network Modifications
  • The complexity of Evolving Technology

More often than not, organizations are only aware of network performance when it dramatically declines, and they only respond when it begins to influence business productivity.

Network monitoring provides you with the insight to measure daily performance as well as the foresight to detect any changes in performance standards, allowing you to detect abnormalities before they occur.

Effective network monitoring enables IT personnel to identify early warning signals and correct any flaws before they become serious issues causing system downtime.

Effectively Assigning Resourcing

With enormous workloads and projects that never seem to get any simpler, IT teams are also struggling with less-than-ideal time, manpower, and budget constraints. This implies that if an unanticipated network outage occurred, the already overburdened team would be forced to shift resources from one business important project to another with no notice or preparedness.

By establishing good network monitoring, it is possible to eliminate the need to:

  • Investigate performance manually 
  • React only to catastrophic network events.

Detecting Security Risks

As organizations aim to acquire a competitive edge, technology is always improving, allowing many crucial operations to be quicker, sleeker, or more autonomous. 

However, with the advent of internet-enabled sensors, wireless devices, and cloud technologies, IT teams must better control how these technologies are monitored for significant variations or suspicious activities.

Another development affecting IT environment management is the increase in the number of wireless devices connected to the network. IT administrators, particularly those working in a BYOD environment, must keep track of the number and kind of devices that connect to their infrastructure.

Managing Evolving IT Environment

Cybercrime prevention is a big concern for every organization. As cyberattacks become more complex and difficult to track, it is vital to detect and mitigate any type of network danger before it develops. 

The Advantages of Network Monitoring for Cybersecurity

Handling persistent security threats every day may be exceedingly time-consuming for an IT staff without network insights. Maintaining ongoing IT network security necessitates the following:

  • Security fixes are always being updated. 
  • Security parameters for all individual workloads are kept consistent.

As a result, network monitoring will help an IT staff secure a company's data and infrastructure.

Successfully Deploying New Technologies and System Updates

New technology and services necessitate a significant financial commitment. This implies that establishing ROI on these initiatives is vital, but without the capacity to plan and control your network environment, showing if the project produced the promised benefits becomes challenging.

Challenges and Proposed Solutions

Inadequate network visibility

You can't completely comprehend network performance if you can't see a segment of your network or follow a certain performance statistic. Most network monitoring software will automatically add devices that join a network, ensuring that no part of your network goes unnoticed. This enables your organization to learn about performance issues regardless of where they happen on your network. Furthermore, your company must be able to evaluate every network activity; one faulty data packet might mean disaster for your company.

Creating boundaries for network performance

To contextualize your present network performance, you must first understand how your network generally works. By setting network performance baselines, your company will have information on how the network performs when there are no serious difficulties. The main advantage is being able to detect when performance drops below expected levels, which signals a significant performance issue. However, it is also valuable in determining when your network performance is better than normal; this allows your company to ensure that any adjustments or reconfiguration to a network are genuinely enhancing the network.

Identifying and analyzing important performance data and insights

Network performance monitoring isn't a one-size-fits-all solution. Every organization will have varied network performance needs, reviewing various performance indicators and having varying performance expectations and benchmarks. Your organization must be able to extract valuable performance data and insights from everything else in order to effectively analyze the behavior of its network. Many network monitoring technologies enable you to zero in on certain metrics that your firm wishes to watch, allowing you to prioritize important information over all others.

Creating useful network maps

To effectively manage your business network, you must be able to observe every aspect of it, including every machine and connection. Most network monitoring software include network mapping tools that build a visual depiction of a full network; this allows your company to view every element of your network in real-time in one location, avoiding dark spots or silos. Your monitoring tool may also give different graphics based on performance indicators, depending on the solution — for example, a functional device may be represented in green, while a malfunctioning device is shown in red. These representations allow your organization to quickly analyze network and device efficiency.

Managing active and passive network monitoring

Active and passive performance monitoring are both important components of a strong network monitoring strategy. Active monitoring entails examining real-time network performance statistics whereas passive monitoring replicates network traffic so that businesses may model performance difficulties. While both monitoring strategies are beneficial, your company must strike the correct balance between active and passive monitoring. If you have real performance concerns to fix, your company should prioritize active monitoring, whereas passive monitoring should be prioritized if you're preparing for the future.

Effective configuration of network devices

When you install or upgrade a device on your network, you must configure it to ensure that it operates properly. When you implement a new configuration, your organization must test it to verify that the modifications do not have a detrimental impact on network performance. Major performance difficulties can sometimes be caused by a minor misconfiguration; consequently, every configuration change must be evaluated.

Network expansion is planned

It is not enough to rely just on how your network is operating now. Your organization must also plan for the future of your network. Any intended improvements to your network must be taken into account when developing your monitoring strategy. Your organization must forecast what the status of your system will be in the future, as well as evaluate how network additions may affect efficiency.

The Five Network Monitoring System Functions

We've covered the fundamentals of networking; now let's cover the fundamentals of Network Monitoring Systems (NMS). 

Network Monitoring Systems provide the following five essential functions:

  • Discover
  • Map
  • Monitor
  • Alert
  • Report


Network monitoring, therefore, offers an early warning indicator of the exploitation of current infrastructure, alerting IT to the need to upgrade or add capacity to certain network components.

Finally, by comparing network traffic to established baselines for a specific time of day and season, network monitoring systems can spot unusual spikes in network traffic that may suggest a problem developing, whether due to increasing demand or a cyberattack.



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