Network management and monitoring
Network management and monitoring are vital components of modern IT operations that help businesses run effectively and efficiently. Network observability also provides added visibility into the end-user experience. Find out how innovations such as AI, machine learning, network analytics and network automation are shaping the future of network management and monitoring.
Top Stories
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Opinion
19 May 2025
How AIOps enables next-generation networking
As networks grow more complex, management becomes more difficult. AIOps can help network administrators transition to and manage next-generation networks. Continue Reading
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Feature
15 May 2025
BGP routing: A configuration and troubleshooting tutorial
BGP is the internet's core routing protocol, enabling communication between ISPs and large networks. This guide covers its functionality, configuration and troubleshooting essentials. Continue Reading
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Tip
29 Mar 2023
Self-healing networks goals, benefits and how they work
With help from automation and AI, self-healing networks promise to detect, remediate and even predict network problems. But can these systems be trusted? Continue Reading
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Definition
28 Mar 2023
computer network
A computer network is a group of interconnected nodes or computing devices that exchange data and resources with each other. Continue Reading
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Tip
22 Mar 2023
How network perimeters secure enterprise networks
Network perimeters serve as essential network security to block unwanted traffic. Find out how they differ from the network edge and how they help secure enterprise networks. Continue Reading
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Tip
21 Mar 2023
5 steps to migrate from MPLS to SD-WAN
To migrate from MPLS to SD-WAN, you need a plan. Use these five steps as a guideline to avoid MPLS contract disasters, unexpected costs and delayed installation. Continue Reading
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Tip
20 Mar 2023
Configure NIC teaming in Windows Server
NIC teaming maximizes network bandwidth and provides redundancy benefits. These steps guide users through NIC teaming configuration in Windows Server with GUI and PowerShell. Continue Reading
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Definition
10 Mar 2023
NDIS (Network Driver Interface Specification)
Network Driver Interface Specification (NDIS) is a Microsoft Windows specification for how communication protocol programs (such as TCP/IP) and network device drivers should communicate with each other. Continue Reading
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Tip
10 Mar 2023
White box networking use cases and how to get started
Rising cloud costs have prompted organizations to consider white box switches to lower costs and simplify network management. Here's what to know about white box networking. Continue Reading
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Definition
02 Mar 2023
AWS Network Load Balancer (NLB)
AWS Network Load Balancer (NLB) is an Amazon Web Services tool that distributes high-performance traffic across multiple cloud instances and provides automatic scaling of resources to ensure low latency and high throughput for applications. Continue Reading
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Feature
28 Feb 2023
Unify NetOps and DevOps to improve load-balancing strategy
Research showed that many enterprises struggle with their load-balancing strategies. Unifying NetOps and DevOps teams might help simplify some of this complexity. Continue Reading
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Definition
22 Feb 2023
bogon
A bogon is an illegitimate Internet Protocol address that falls into a set of IP addresses that have not been officially assigned to an entity by an internet registration institute, such as the IANA. Continue Reading
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Definition
22 Feb 2023
polling (computing)
In computer science, polling or a polled operation denotes the process of repeatedly sampling the status of external devices by a client program. Continue Reading
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News
15 Feb 2023
Cisco Viptela SD-WAN integrates with SASE for better security
Cisco Viptela SD-WAN integration with Cisco+ Secure Connect brings cloud-based security to remote workers and easier collaboration between IT security and networking teams. Continue Reading
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News
14 Feb 2023
Extreme Networks extends network fabric to the edge
Extreme Networks extends its SD-WAN network fabric to the edge to unify wired, wireless and WAN networking for simpler network control and more application performance monitoring. Continue Reading
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Tip
09 Feb 2023
4 ways to reduce network power consumption
A heavy reliance on the network can increase energy use across businesses. Here are some best practices network teams can follow to reduce power consumption. Continue Reading
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Tip
08 Feb 2023
8 top Web 3.0 use cases and examples
Smart contracts, automated content creation, targeted advertising, community building and metaverse-like experiences are some of the benefits from anticipated Web 3.0 applications. Continue Reading
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Tip
08 Feb 2023
10 core features of Web 3.0 technology
Web 3.0 promises to provide what Web 2.0 can't: autonomy for content creators to monetize their own data through blockchain, decentralization, user data ownership and private keys. Continue Reading
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Guest Post
07 Feb 2023
CIOs must support multi-cloud training for network engineers
Many enterprises are shifting to multi-cloud environments, but they must enable proper training. Here's how they can be proactive and support multi-cloud network training. Continue Reading
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Tip
01 Feb 2023
4 steps to troubleshoot Windows 11 network issues
When IT administrators encounter problems with a Windows 11 network connection, they have plenty of options to fix the issue. Learn the steps to troubleshoot these issues. Continue Reading
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Definition
31 Jan 2023
network management system
A network management system, or NMS, is an application or set of applications that lets network engineers manage a network's independent components inside a bigger network management framework and performs several key functions. Continue Reading
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Tip
31 Jan 2023
5 ways Web 3.0 will impact digital marketing
If Web 3.0 can provide greater privacy, more marketing reach and better targeting, the World Wide Web's latest iteration could ease the online customer personalization problem. Continue Reading
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Feature
30 Jan 2023
The features of multi-cloud networking architecture
Enterprises are looking for multi-cloud networking features that include programmability, security integration and end-to-end visibility in a consumption-based model. Continue Reading
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Definition
25 Jan 2023
Network as a Service (NaaS)
Network as a service, or NaaS, is a business model for delivering enterprise WAN services virtually on a subscription basis. Continue Reading
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Tip
20 Jan 2023
How cloud-managed Wi-Fi simplifies policy and AP controls
Cloud-managed Wi-Fi provides IT groups with several benefits, including policy enforcement, network management and consistent AP configuration across multiple sites. Continue Reading
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Feature
18 Jan 2023
Enterprises consider NaaS adoption for business agility
As enterprises accelerate toward digitization of their complete IT stack, NaaS -- which can lower costs, increase QoS and improve business agility -- has become a viable option. Continue Reading
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Definition
17 Jan 2023
decimal
Decimal is a numbering system that uses a base-10 representation for numeric values. Continue Reading
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Definition
12 Jan 2023
surge suppressor (surge protector)
A surge suppressor, sometimes optimistically called a surge protector, is a device inserted in the alternating current (AC) utility line and/or telephone line to prevent damage to electronic equipment from voltage spikes, or transients. Continue Reading
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Opinion
06 Jan 2023
Five networking trends teams should focus on in 2023
Distributed IT and hybrid work create network complexity, which is driving adoption of AIOps, network and security convergence, multi-cloud, private 5G and digital twins in 2023. Continue Reading
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News
03 Jan 2023
Multi-cloud networking trends to watch in 2023
As multi-cloud networking becomes an industry standard, enterprises increasingly seek tools to wrangle data, services and security in a sprawling network that can span countries. Continue Reading
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Definition
03 Jan 2023
load balancing
Load balancing is a technique used to distribute network traffic across a pool of servers known as a server farm. Continue Reading
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Definition
22 Dec 2022
persistent connection
A persistent connection, also known as an HTTP persistent connection, refers to a network communication channel that remains open for further HTTP requests and responses instead of closing after a single exchange. Continue Reading
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Tip
22 Dec 2022
Wireless network capacity planning and requirements
When planning wireless network capacity needs, tally your total endpoints, monitor application bandwidth usage and consider future growth. Continue Reading
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Answer
20 Dec 2022
NOC vs. data center: What's the difference?
Network operations centers and data centers are two facilities organizations use to store IT devices and manage operations. But they differ significantly in terms of purpose and operations. Continue Reading
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Tip
15 Dec 2022
How to use Nmap to scan a network for documentation
Nmap might be more common for security tasks, but it's also useful for network documentation and inventory. Follow these best practices to make the most of Nmap scan results. Continue Reading
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News
09 Dec 2022
Juniper's CN2 supports Kubernetes networking on AWS
Juniper simplifies Kubernetes networking on Amazon's Elastic Kubernetes Service by adding virtual networks and multi-dimensional segmentation in the hybrid cloud. Continue Reading
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Tutorial
07 Dec 2022
How to use Wireshark OUI lookup for network security
Wireshark OUI lookup helps cyber defenders, pen testers and red teams identify and target network endpoints -- and it can be accessed from any browser. Continue Reading
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Definition
01 Dec 2022
telemetry
Telemetry is the automatic measurement and wireless transmission of data from remote sources. Continue Reading
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Tutorial
30 Nov 2022
How to check an IP address in Linux
In a Linux system, IP addresses correspond with a public or private network. This tutorial outlines how to find public and private IP addresses with Linux commands. Continue Reading
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Tip
16 Nov 2022
3 types of wireless site surveys and how to conduct them
Network teams can avoid signal coverage issues by performing different wireless site surveys as they evaluate new spaces, set up sites and operate the network. Continue Reading
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Definition
10 Nov 2022
leaky bucket algorithm
The leaky bucket algorithm is a "traffic shaping" algorithm to reduce the load the transport layer places on the network layer and reduce congestion in the network. Continue Reading
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Definition
09 Nov 2022
nibble
In computing and digital technology, a nibble is four consecutive binary digits or half of an 8-bit byte. Continue Reading
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Definition
09 Nov 2022
CBRS (Citizens Broadband Radio Service)
Citizens Broadband Radio Service, or CBRS, is the set of operational rules given to a slice of the shared wireless spectrum and the technologies used in that spectrum. Continue Reading
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Feature
04 Nov 2022
OSU medical center uses automation for digital transformation
Most people think automation will take jobs away. For OSU Wexner Medical Center, network automation helps improve security, simplify tasks for staff and save lives. Continue Reading
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Tip
04 Nov 2022
16 PowerShell commands for network troubleshooting
These 16 Windows PowerShell cmdlets, including Get-NetIPAddress and Test-Connection, help network administrators troubleshoot their network environments. Continue Reading
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Feature
27 Oct 2022
Network monitoring tools must offer more insights upfront
Vendors' network monitoring tools can require complex customization after purchase. New EMA research points to the need for tools to deliver more out of the box. Continue Reading
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Tip
17 Oct 2022
How to perform VLAN troubleshooting
Common VLAN issues include physical connectivity problems, duplex mismatches, forwarding loops, unicast flooding and Layer 3 configuration errors. These troubleshooting steps can help. Continue Reading
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Tip
14 Oct 2022
Best practices for network documentation and auditing
Network documentation helps enterprises resolve problems more quickly and create more reliable networks. But documentation needs to include various components to be effective. Continue Reading
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Tip
03 Oct 2022
4 tips for network capacity planning and provisioning
To avoid network overprovisioning, teams should review baselines and roadmaps, assess limitations and consider business strategy changes when focusing on network capacity planning. Continue Reading
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Feature
21 Sep 2022
Batfish use cases for network validation and testing
Automated pre-change network validation with Batfish can save time in the network change management process and minimize configuration and policy errors when deploying changes. Continue Reading
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Tip
13 Sep 2022
Tips to prepare for a network disaster recovery audit
Enterprises can audit their network disaster recovery plans to ensure thorough protection and preparation. Consider factors like documentation, management support and audit type. Continue Reading
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Feature
12 Sep 2022
How AI and ML in Open RAN alleviates network complexity
Incorporating AI and ML into Open RAN networks could help MNOs simplify operations and deliver 5G enhanced capabilities of high bandwidth, low latency and quality of service. Continue Reading
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Tip
01 Sep 2022
DNS server troubleshooting for Linux and Windows
Steps in DNS server troubleshooting include checking the DNS status, looking at zone configurations and evaluating logs. Follow these best practices for Windows and Linux servers. Continue Reading
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Feature
31 Aug 2022
Techniques to get started with green networking
'Emerging Green Technologies' details how technology is a flexible tool organizations can use to make business operations more sustainable. Here's how to make your network green. Continue Reading
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Feature
31 Aug 2022
How energy-efficient networking supports sustainability
In this Q&A, 'Emerging Green Technologies' author Matthew N. O. Sadiku discusses the importance of going green and how to make networks energy-efficient to achieve this goal. Continue Reading
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Feature
25 Aug 2022
Network bandwidth vs. throughput: What's the difference?
Bandwidth and throughput both indicate network performance. The terms are often used together, but bandwidth refers to capacity, while throughput details how much data actually transmits. Continue Reading
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Feature
24 Aug 2022
A look inside the Cisco DevNet Professional study guide
Learn how network automation works with software development in this chapter excerpt from 'Cisco Certified DevNet Professional DEVCOR 350-901 Official Cert Guide.' Continue Reading
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Feature
24 Aug 2022
DevNet authors discuss Cisco DEVCOR book, automation
The authors of a Cisco DevNet Professional DEVCOR study guide provide insights about the growth of network automation, CI/CD and programmability. Continue Reading
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Quiz
24 Aug 2022
11 practice questions for Cisco DEVCOR 350-901 exam
Think you know network automation? Take this practice exam from Chapter 10 of 'Cisco Certified DevNet Professional DEVCOR 350-901 Official Cert Guide' to test your expertise. Continue Reading
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Tip
19 Aug 2022
How does SD-access work?
SD-access is a combination of two elements: SDN and the access edge. The result is a network with a centralized management system and improved security policies. Continue Reading
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Opinion
12 Aug 2022
Why modern networks require AIOps
Distributed IT environments increasingly require automated networks, and AIOps can provide the answer for network operations teams dealing with increased complexity, starting now. Continue Reading
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Tip
05 Aug 2022
What an AI-driven network looks like
Log analysis and wireless management are common AI use cases in networking. Future applications could include chatbot alerts, digital experience monitoring and traffic engineering. Continue Reading
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Tip
02 Aug 2022
Troubleshoot name resolution on Windows, Linux and macOS
Network administrators can troubleshoot name resolution using a variety of methods, including ping, nslookup and PowerShell cmdlets. Here are some troubleshooting best practices. Continue Reading
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News
29 Jul 2022
AIOps in networking helps but can't solve complex problems
The AIOps tools offered by network management vendors are good at solving routine problems but lack the intelligence to address complicated issues, customers said. Continue Reading
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Feature
28 Jul 2022
How vendors support sustainable networking initiatives
Organizations are focusing on sustainability in all business divisions, including network operations. These tools could help organizations make their enterprise networks green. Continue Reading
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News
27 Jul 2022
Aruba adds Client Insights in Central Foundation license
Aruba automated routine network management tasks like device discovery in Aruba Central. The customer plans to add a change rollback feature next. Continue Reading
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Tip
26 Jul 2022
Best practices for DIY network automation
Many network pros write their own automation scripts. These best practices help teams implement coding and tool set standardization, proper change management and immutability. Continue Reading
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Feature
22 Jul 2022
8 tips to optimize network bandwidth and performance
Despite bandwidth calculations and capacity planning, networks often fail to consume bandwidth efficiently. Here are some tips to optimize bandwidth usage in enterprise networks. Continue Reading
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Answer
15 Jul 2022
The benefits and challenges of AI network monitoring
The benefits include simplified network monitoring and automation capabilities. The challenges include data quality questions and integration complexities. Continue Reading
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News
14 Jul 2022
Juniper Mist automatically validates AP placement
Juniper has added three features to its AIOps networking assistant to improve troubleshooting and give more insights into the network. The company also introduced midrange switching hardware. Continue Reading
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Opinion
12 Jul 2022
Marketing hype fuels AI predictive network troubleshooting
Vendors are pushing heavily on the benefits of predictive analysis to automatically identify and remediate network issues. But should enterprise customers care? Continue Reading
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Feature
21 Jun 2022
Challenges, best practices for network operations management
Traditional network operations teams are struggling with several aspects of network management. Experts weigh in on why, and what to do to simplify operations. Continue Reading
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News
20 Jun 2022
Cisco customers eager for Meraki's Catalyst management
IT professionals were excited to see cloud-based Meraki management for Catalyst switches but were less enthusiastic over the new Cisco Security Cloud. Continue Reading
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News
14 Jun 2022
Cisco launches cloud management of Catalyst, Nexus switches
The latest addition to the cloud-based Cisco Meraki console expands the company's subscription-based pricing for network monitoring and management software. Continue Reading
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Feature
19 May 2022
Network management tool sprawl plagues IT organizations
More network management tools often lead to manual errors and network trouble. Instead, consider tool integration and how existing tools can fix new problems. Continue Reading
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News
18 May 2022
Cisco adds automated testing to ThousandEyes
Cisco added automated testing for video conferences and a troubleshooting dashboard to the ThousandEyes internet intelligence platform. Continue Reading
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News
09 May 2022
Cisco reveals details of predictive network management tool
Cisco's predictive analytics networking engine aims to build trust by spotting problems with a high degree of accuracy rather than by identifying every issue. Continue Reading
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Tip
29 Apr 2022
5 basic network commands for Linux and Windows
Linux and Windows use different network commands to run tasks that are common in both environments, such as network connectivity testing. But the commands often share similarities. Continue Reading
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News
27 Apr 2022
Gluware launches RPA to simplify network automation workflow
Gluware's Robotic Process Automation simplifies network automation by turning discrete, automated tasks into multi-step automated workflow processes. Continue Reading
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Opinion
22 Apr 2022
The importance of unified, end-to-end network management
As network environments evolve and grow more complex, enterprises are realizing their need for unified network management. But is an end-to-end strategy possible? Continue Reading
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News
21 Apr 2022
Device42 adds intelligence to IT discovery, asset management
Device42 plans to release on May 30 Insights+ to provide customers with an in-product tool for aggregating, analyzing and visualizing stored IT data. Continue Reading
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Definition
15 Apr 2022
mail bomb
A mail bomb is a form of a denial-of-service (DoS) attack designed to overwhelm an inbox or inhibit a server by sending a massive number of emails to a specific person or system. Continue Reading
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News
31 Mar 2022
Aruba head Mottram prioritizes automation, Central, NaaS
Customers agreed that automation and the Central management console were essential to them. But Phil Mottram's plans to deliver more products as a service got mixed reviews. Continue Reading
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Definition
31 Mar 2022
oversubscription
Oversubscription in a storage area network (SAN) is the practice of committing more network bandwidth to devices connected to that network than what is physically available. Continue Reading
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News
29 Mar 2022
Aruba Central basics key for Atmosphere attendees
IT pros like to check out cutting-edge technology, but they say Aruba Central basics like device onboarding and data privacy are most important for doing their jobs today. Continue Reading
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Answer
29 Mar 2022
What is the role of machine learning in networking?
Incorporating machine learning tools into a network can help teams predict traffic flows, generate smarter analytics, monitor network health, tighten security measures and more. Continue Reading
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News
29 Mar 2022
Aruba launches VXLAN management, GPS-enabled Wi-Fi networks
Aruba's Central NetConductor is a cloud-based service that delivers automation and identity-based network access to enforce zero-trust policies for users and devices. Continue Reading
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Feature
23 Mar 2022
Experts set the record straight on new networking technology
What is the reality of new network technologies? Here, experts identify the risks -- real or perceived – and benefits that digital twins, automation and AI create for businesses. Continue Reading
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Tutorial
21 Mar 2022
NetOps vs. DevOps vs. NetSecOps: What's the difference?
DevOps, NetOps and NetSecOps ... oh my! These IT concepts have their differences, but at the end of the day, they're family. Here's how they relate. Continue Reading
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Definition
21 Mar 2022
What is NetOps? Everything you need to know
NetOps, also referred to as NetOps 2.0 and NetDevOps, is an approach to networking operations that uses DevOps tools and techniques to make network changes more efficiently and effectively than in the past. Continue Reading
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News
16 Mar 2022
Juniper updates Apstra intent-based networking for the edge
Juniper has targeted edge data centers with a suite of updates to its intent-based networking platform Apstra. Also, Juniper has new IBN security and professional services. Continue Reading
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Tip
16 Mar 2022
NetOps automation ideas and examples
NetOps teams can hone their automation experience using these automation ideas that range from simple read/write tasks to complex automated processes. Continue Reading
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Feature
16 Mar 2022
The NetOps 2.0 era is here: A primer for networking pros
Experts say inflexible legacy networks impede critical DevOps initiatives. Enter NetOps 2.0. This primer explains how automation and virtualization can help networks evolve. Continue Reading
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Tip
15 Mar 2022
The benefits of network infrastructure as code
Network infrastructure as code uses DevOps methodology to create structured practices for configuration changes and establish pre- and post-change testing and validation. Continue Reading
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Tip
15 Mar 2022
How to secure NetOps initiatives using Agile methodology
As more NetOps teams implement Agile methods, network and security testing must be part of a holistic approach that involves developers, networking and security teams working together. Continue Reading
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Tip
14 Mar 2022
NetOps meets DevOps concepts to tackle network problems
NetOps and DevOps are converging, due to increased use of infrastructure as code to automate enterprise networks. Shared concepts include structured coding practices and automated testing. Continue Reading
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Answer
14 Mar 2022
How does a NetOps strategy affect enterprise network teams?
A NetOps approach uses DevOps frameworks to help network teams enable virtualization, automation and AI to create Agile networks and deploy applications faster. Continue Reading
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Feature
14 Mar 2022
Explore 4 network performance monitoring tools
The network performance monitoring market is changing to address the emergence of IoT and AI. Read more about the NPM market evolution and available vendor products. Continue Reading
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Tip
10 Mar 2022
Configure DHCP failover for Windows Server
DHCP is a critical service, and network admins should take the time to create fault tolerance. Windows Server makes it easy to configure both failover and load balancing. Continue Reading
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Tip
09 Mar 2022
The rise of the NetOps engineer
The need for NetOps engineers with network automation and software development skills is rising with the continued drive to create more flexible networks. Find out what it takes. Continue Reading
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Feature
08 Mar 2022
Businesses building data center network automation internally
Companies develop their own data center network automation software for security compliance, and they need tools closely aligned with their specific networks. Continue Reading
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Tip
03 Mar 2022
Business benefits of an Agile networking approach
Enterprises that embed an Agile approach in their networking strategies could see benefits like better network performance, enhanced data security and faster rollouts of network services. Continue Reading