Networking
Top Stories
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Tip
25 Aug 2026
Why agentic AI needs network APIs to succeed
APIs are a foundational component for agentic AI to work properly across enterprise networks. Learn why autonomous agents depend on network APIs to monitor and manage systems. Continue Reading
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Tip
24 Aug 2026
How AI workloads affect enterprise network design
Distributed AI workloads reshape the architectures and strategies that enterprises traditionally relied on to plan network work capacity, manage congestion and support east-west traffic. Continue Reading
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Tip
03 Dec 2024
How to monitor network traffic in 7 steps
Effective network monitoring is an ongoing process that requires the right tool set to gain visibility into infrastructure service quality. These steps can help network teams fine-tune network monitoring strategies. Continue Reading
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News
03 Dec 2024
Arista simplifies switching to its campus network
Arista says companies can switch to its campus network while holding on to legacy stacked switches. Continue Reading
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Tip
03 Dec 2024
How to determine when to use reserved IP addresses
Network admins choose IP address configuration based on management requirements. Each address type has a specific role, but reserved IP addresses are best in certain situations. Continue Reading
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Answer
22 Nov 2024
How to test packet loss on Windows, macOS and Linux
Network admins should know how to identify and test for packet loss. Diagnosing this issue doesn't require specialized tools or expensive software, but these four tools can help. Continue Reading
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Answer
21 Nov 2024
Compare network management vs. network monitoring
Network monitoring is a vital part of network management. Both are essential to help network operations teams streamline operations and address potential issues. Continue Reading
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Definition
18 Nov 2024
What is Cisco Performance Routing (PfR)?
Cisco Performance Routing (PfR) is a way of sending network packets based on intelligent path control. Continue Reading
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Tip
08 Nov 2024
A guide to Li-Fi technology
Li-Fi is an emerging wireless technology that uses visible light to transmit data instead of radio frequencies. Though still niche, Li-Fi has numerous advantages and use cases. Continue Reading
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Feature
06 Nov 2024
AI skills for network professionals
Networking professionals must develop basic networking skills and AI to thrive in a complex landscape. Learn how AI's integration into network management will change the field. Continue Reading
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Tip
05 Nov 2024
Top 6 network monitoring best practices
Benchmark metrics, customizable dashboards and automation are all best practices in network monitoring. Network admins can use them to optimize performance and minimize threats. Continue Reading
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Feature
04 Nov 2024
How AI in the NOC will transform network operations
AI can improve network operations through automation and troubleshooting. Experts at ONUG emphasized phased adoption and methods that enhance NOC monitoring and support. Continue Reading
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Tip
01 Nov 2024
How to navigate the network vendor selection process
Effective vendor selection involves a thorough evaluation process to ensure optimal network performance. Factors to assess include service quality, reliability and security. Continue Reading
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Feature
01 Nov 2024
4 ways to improve the network monitoring experience
The network transition from data centers to hybrid and multi-cloud environments makes the network delivery path difficult to find. Here are four ways to make that process easier. Continue Reading
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News
29 Oct 2024
Cisco launches integrated AI infrastructure 'Pods'
In addition to Pods, Cisco launched its first UCS server dedicated to running AI workloads on GPUs. Continue Reading
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Tip
28 Oct 2024
Is cloud-based network management right for your business?
Many enterprises use on-premises network management, but some are transitioning to cloud-based management. Enterprises should evaluate both options before deciding which to use. Continue Reading
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Tip
28 Oct 2024
Why does DNS use TCP Port 53 and UDP Port 53?
DNS uses both TCP and UDP ports to maintain consistent and reliable network performance. TCP provides zone transfers, while UDP handles name resolution queries and responses. Continue Reading
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Tip
25 Oct 2024
Logical vs. physical topology: What's the difference?
A complete network topology is a network map that provides a look into the network's hardware components and data flow using physical and logical topologies. Continue Reading
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Definition
25 Oct 2024
What is a MAC address and how do I find it?
A MAC address (media access control address) is a 12-digit hexadecimal number assigned to each device connected to the network. Continue Reading
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Answer
21 Oct 2024
Telemetry vs. SNMP: Which is better for network management?
Now that networks have become more complex, network management has become a challenge of its own. Enterprises can compare telemetry vs. SNMP to see which better suits their needs. Continue Reading
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Definition
21 Oct 2024
What is cloud networking?
Cloud networking is a type of IT infrastructure in which the cloud hosts some or all of an organization's networking resources. Continue Reading
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Tip
21 Oct 2024
Basic network management interview questions and answers
Job interviews should be a two-way conversation. Hiring managers and job applicants should review common network management interview questions before an interview. Continue Reading
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Tip
21 Oct 2024
A guide to network lifecycle management
Network pros should use a network lifecycle management process to monitor, manage and implement changes in their network, regardless of if they use PPIDOO or another framework. Continue Reading
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Tip
16 Oct 2024
Overview of network management tasks and best practices
Network management encompasses a range of tasks and processes. Explore 10 crucial tasks and accompanying best practices to ensure a resilient and functional network. Continue Reading
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Answer
15 Oct 2024
Managed vs. unmanaged switches: What are the differences?
Managed and unmanaged network switches differ in various ways, including control and cost. Managed switches support more granular control, while unmanaged switches are easier to set up. Continue Reading
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Tip
15 Oct 2024
The benefits of network asset management software
Network asset management software helps network teams keep track of network devices and software to ensure timely upgrades, accurate inventory and updated documentation. Continue Reading
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Feature
09 Oct 2024
What AI capabilities do network tools need?
AI networking tools have many beneficial capabilities. When evaluating AI tools, engineers should prioritize the specific capabilities their networks need for successful AI use. Continue Reading
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Feature
09 Oct 2024
The future of Wi-Fi 7 adoption in enterprises
Wi-Fi 7 promises faster speeds and better performance, but complexities in deployment and limited device compatibility have slowed adoption across enterprises. Continue Reading
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Definition
03 Oct 2024
What is IPv6 (Internet Protocol version 6)?
Internet Protocol version 6 (IPv6) is a set of specifications from the Internet Engineering Task Force (IETF) that is responsible for identifying network devices and routing traffic across the internet. Continue Reading
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Feature
02 Oct 2024
The push to make network engineering cool again
What does it mean to make networking cool again? To most network engineers, it means building awareness about networking and making it more accessible. But there's still work to do. Continue Reading
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Tip
30 Sep 2024
The role of network sandboxing and testing
Network sandboxing provides network teams with a risk-free environment to test changes and run potential threat scenarios. This helps prevent outages and other unexpected issues. Continue Reading
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News
27 Sep 2024
HPE Aruba, Arista update network management consoles
Arista highlights its consolidation of network management tools within CloudVision, while HPE extends Aruba Central to include Cisco and other third-party network devices. Continue Reading
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Tip
27 Sep 2024
How to tackle network automation challenges and risks
Automation makes networks more efficient, but engineers must first mitigate the risks. With planning and training, enterprises can take advantage of automation's capabilities. Continue Reading
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Definition
26 Sep 2024
What is ICMP (Internet Control Message Protocol)?
ICMP (Internet Control Message Protocol) is a network layer error-reporting protocol that's used to communicate data transmission problems. Continue Reading
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Definition
26 Sep 2024
What is TCP/IP?
TCP/IP stands for Transmission Control Protocol/Internet Protocol and is a suite of communication protocols used to interconnect network devices on the internet. Continue Reading
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Answer
25 Sep 2024
Network automation vs. orchestration: What's the difference?
Automation and orchestration take different approaches to achieve network efficiency. However, network engineers can use them together to create an efficient, centralized network. Continue Reading
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Answer
24 Sep 2024
Recursive vs. iterative DNS queries: What's the difference?
Name resolution translates human-readable hostnames to IP addresses for device configuration. DNS uses recursive or iterative methods to translate names into IP addresses. Continue Reading
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Answer
11 Sep 2024
HTTP vs. HTTPS: What's the difference?
HTTP and HTTPS are web communication protocols. HTTP lacks security, while HTTPS encrypts data to adhere to the security standards of confidentiality, integrity and authenticity. Continue Reading
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Tip
10 Sep 2024
How to implement CI/CD in network automation
CI/CD processes help deploy code changes to networks. Integrating a CI/CD pipeline into automation makes networks more reliable, reducing configuration errors and downtime. Continue Reading
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Definition
10 Sep 2024
What is asynchronous?
In general, asynchronous -- from Greek asyn- ('not with/together') and chronos ('time') -- describes objects or events not coordinated in time. Continue Reading
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Tip
09 Sep 2024
How does predictive analytics help network operations?
Predictive analytics can project network traffic flows, predict future trends and reduce latency. However, tools continue to evolve, so teams should use caution in their selection. Continue Reading
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Feature
29 Aug 2024
Best practices for Cisco pyATS test scripts
Test scripts are the heart of any job in pyATS. Best practices for test scripts include proper structure, API integration and the use of Python libraries to enhance testing. Continue Reading
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Tip
27 Aug 2024
How to subnet in cloud network environments
Cloud and on-premises subnets use IP ranges, subnet masks or prefixes, and security policies. But cloud subnets are simpler to set up, while on-prem configuration is still manual. Continue Reading
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News
27 Aug 2024
VMware VeloCloud SD-WAN gets satellite support
Satellite connectivity lets Broadcom offer the VeloCloud SD-WAN as an option for linking IoT devices to the global network from environments without reliable internet access. Continue Reading
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Feature
26 Aug 2024
Wi-Fi upgrades on the horizon as enterprises eye Wi-Fi 7
Enterprises have been slow to adopt Wi-Fi 7, as they find previous generations suit their needs. However, experts predict enterprises will upgrade to Wi-Fi 7 in the next 12 to 18 months. Continue Reading
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Definition
22 Aug 2024
What is a URL (Uniform Resource Locator)?
A URL (Uniform Resource Locator) is a unique identifier used to locate a resource on the internet. Continue Reading
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Tip
21 Aug 2024
How to create subnets in IPv4 and IPv6 networks
Network administrators subnet networks into segments for improved control and efficiency. IPv4 uses subnet masks, while IPv6 uses prefixes, and each has its own unique steps. Continue Reading
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Definition
16 Aug 2024
What is FTP?
File Transfer Protocol (FTP) is a network protocol for transmitting files between computers over TCP/IP connections. Continue Reading
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Definition
15 Aug 2024
What is a VPN (Virtual Private Network)? Definition, Benefits & How It Works
A virtual private network (VPN) is a service that creates a safe, encrypted online connection. Continue Reading
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News
15 Aug 2024
Cisco cuts workforce for third time in 2 years, pursues AI
Cisco cuts its workforce by 7% and forms one unit for networking, security and collaboration to energize AI and security sales. It's the third round of layoffs since 2022. Continue Reading
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Tip
13 Aug 2024
The pros and cons of optical wireless communication
OWC transfers data using highly directional light in free space. While OWC delivers high-speed data transfers, it is susceptible to multipath dispersion and interference. Continue Reading
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Tip
09 Aug 2024
How to plan and start a network upgrade
Network architects face challenges when considering a network upgrade, but enterprises can keep problems to a minimum by following a careful plan and listening to end users. Continue Reading
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Tutorial
07 Aug 2024
Examine a captured packet using Wireshark
Wireshark is a useful tool for capturing network traffic data. Network pros can make the most of the tool by analyzing captured packets to see what that data means for troubleshooting. Continue Reading
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Tip
07 Aug 2024
How to calculate a subnet mask from hosts and subnets
IP addressing and subnetting are important and basic elements of networks. Learn how to calculate a subnet mask based on the required number of subnets and hosts. Continue Reading
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Tip
05 Aug 2024
Tips to provide network support for remote workers
Enterprises must modernize their networks to support remote work, while IT teams ensure networks have proper bandwidth and security, as well as dedicated help for remote workers. Continue Reading
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Feature
01 Aug 2024
Wi-Fi 6 vs. Wi-Fi 5: What's the difference?
Wi-Fi 6 was introduced as the next-generation Wi-Fi standard after Wi-Fi 5. While similar in certain aspects, Wi-Fi 5 and Wi-Fi 6 differ in terms of features and capabilities. Continue Reading
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Feature
30 Jul 2024
9 types of networks and their use cases
Networks differ based on size, connectivity, coverage and design. This guide explores the most common types of networks, their benefits and use cases. Continue Reading
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Definition
29 Jul 2024
What is network scanning? How to, types and best practices
Network scanning is a procedure for identifying active devices on a network by employing a feature or features in the network protocol to signal to devices and await a response. Continue Reading
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Answer
29 Jul 2024
An introduction to SFP ports on a Gigabit switch
SFP ports enable Gigabit switches to connect to a variety of fiber and Ethernet cables and extend switching functionality throughout the network. Continue Reading
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Feature
26 Jul 2024
The benefits and drawbacks of network as a service
NaaS, with its varied definitions and attributes, is hard to define. In a new EMA survey, enterprises laid out their expectations for NaaS, including its benefits and drawbacks. Continue Reading
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Answer
23 Jul 2024
MAC address vs. IP address: What's the difference?
A MAC address and an IP address each identify network devices, but they do the jobs at different levels. Explore the differences between the two and learn why both are necessary. Continue Reading
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Definition
22 Jul 2024
What is wavelength?
Wavelength is the distance between identical points, or adjacent crests, in the adjacent cycles of a waveform signal propagated in space or along a wire. Continue Reading
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Feature
18 Jul 2024
Broadband equity initiatives bridge digital divide in K-12
Federally funded broadband programs support infrastructure upgrades to underserved communities, which address the digital divide in K-12 education. Continue Reading
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Tip
15 Jul 2024
How network data models work with automation
Network data models can help network engineers with their automation strategies, thanks to the essential data they store about physical components, security and QoS. Continue Reading
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Answer
11 Jul 2024
CASB vs. SASE: What's the difference?
CASB and SASE enhance network and SaaS application security. CASB acts as a security layer for cloud services, while SASE integrates networking and security into one framework. Continue Reading
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Tip
10 Jul 2024
A guide on how to learn network automation
Networks are always evolving, and network automation is the next step forward. From soft skills to AI, these skills are essential to understanding network automation. Continue Reading
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Tip
10 Jul 2024
7 steps to set up a home network
This guide teaches networking newbies how to set up a home network, from understanding hardware components to managing network performance and security. Continue Reading
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Tip
09 Jul 2024
How AI can improve telecom RAN operations and analytics
Telecom operators can harness AI to improve their RAN operational efficiency and analytics, which enables them to improve customer experience and network management. Continue Reading
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Tip
02 Jul 2024
Cloud networking sustainability strategies yield benefits
As enterprises seek ways to reduce their environmental footprints, one popular way is to migrate on-premises networking infrastructure to third-party CSPs. Continue Reading
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Feature
02 Jul 2024
The complete secure access service edge (SASE) guide
SASE helps organizations manage and secure traffic across locations. But is it the best choice for your environment? Use this guide to learn about SASE architecture and providers. Continue Reading
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Feature
01 Jul 2024
Compare 5 single-vendor SASE providers
SASE has broad enterprise appeal because it combines security and connectivity. With so many vendor options available, enterprises might need help narrowing the search. Continue Reading
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Opinion
01 Jul 2024
HPE Discover 2024: Aruba Networking moves to center stage
HPE has made enterprise networking a critical part of its portfolio, with updates around AI, Aruba's networking tools, and the upcoming acquisition of Juniper. Continue Reading
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Tip
26 Jun 2024
Common types of networking devices explained
This introduction explores eight network devices that are commonly used within enterprise network infrastructures, including access points, routers and switches. Continue Reading
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Answer
26 Jun 2024
Wireshark vs. tcpdump: What's the difference?
Wireshark and tcpdump both aid network administrators in packet analysis. Wireshark's simple GUI contrasts with tcpdump's speed and scripting abilities, which enhances management. Continue Reading
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Tip
25 Jun 2024
A work-from-home reimbursement policy for network tech
Organizations should create comprehensive work-from-home reimbursement plans that drive better network and internet connectivity rates rather than offset employee's existing bills. Continue Reading
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Feature
24 Jun 2024
Strategies for simplifying network complexity
Experts at the Cisco Live 2024 conference discussed the future of AI in networks and how its use can help simplify network and data center operations. Continue Reading
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Definition
24 Jun 2024
subnet (subnetwork)
A subnet, or subnetwork, is a segmented piece of a larger network. More specifically, subnets are a logical partition of an IP network broken into multiple, smaller network segments. Continue Reading
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Definition
13 Jun 2024
secure access service edge (SASE)
Secure access service edge (SASE), pronounced sassy, is a cloud architecture model that bundles together network and cloud-native security technologies and delivers them as a single cloud service. Continue Reading
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Definition
13 Jun 2024
CIDR (Classless Inter-Domain Routing or supernetting)
CIDR (Classless Inter-Domain Routing or supernetting) is a method of assigning IP addresses that improves the efficiency of address distribution and replaces the previous system based on Class A, Class B and Class C networks. Continue Reading
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Definition
13 Jun 2024
Transmission Control Protocol (TCP)
Transmission Control Protocol (TCP) is a standard protocol on the internet that ensures the reliable transmission of data between devices on a network. Continue Reading
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News
12 Jun 2024
Recap: Enterprise Strategy Group Thoughts on Cisco Live 2024
Analysts Jim Frey and Jon Brown from Enterprise Strategy Group talk about their takeaways from the Cisco Live 2024 conference in Las Vegas. Continue Reading
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Feature
12 Jun 2024
Mass General Brigham tackles network upgrade, AI pilots
As Mass General Brigham updated its network and invested in other upgrades, the hospital ecosystem also developed a measured approach to AI implementation. Continue Reading
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Tip
10 Jun 2024
ARP vs. RARP: What's the difference?
Network devices use ARP to map IP addresses to MAC addresses. RARP, which is less common, accomplishes the reverse and enables network devices to map MAC addresses to IP addresses. Continue Reading
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Tip
10 Jun 2024
Edge computing opportunities for telecom providers
Compatibility issues and the initial limited release of 5G have hindered edge computing adoption. But widescale 5G rollouts, advances in AI and new use cases could drive deployment. Continue Reading
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Guest Post
07 Jun 2024
SASE operational pain points and how to fix them
SASE offers companies a compelling security strategy, but it takes time to ensure network teams have the visibility and management oversight they need. Continue Reading
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Feature
07 Jun 2024
How an improved network experience enhances business
At Cisco Live 2024, leaders discussed how AI can support business objectives. Companies like CSL Behring and Room & Board improved their network experience with ThousandEyes. Continue Reading
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News
07 Jun 2024
Cisco makes Splunk the center of observability
Cisco is integrating Splunk, AppDynamics and ThousandEyes to create a critical differentiator in the observability market. Networking integration will come later. Continue Reading
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Opinion
06 Jun 2024
First thoughts from Cisco Live: Generative AI, Splunk and more
During its annual conference, Cisco shined up ThousandEyes, added Splunk integrations and shared details regarding its generative AI strategy. Continue Reading
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News
05 Jun 2024
Cisco commits to GenAI with HyperFabric, $1B fund
Cisco partners with Nvidia on HyperFabric as customers try to understand how generative AI will help them manage their network infrastructure. Continue Reading
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Feature
03 Jun 2024
Subnet use cases and considerations for network performance
Network administrators create subnets to split networks and optimize performance. Other reasons for subnetting include traffic management, cloud optimization and security. Continue Reading
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Definition
03 Jun 2024
NBASE-T Ethernet
NBASE-T Ethernet is an IEEE standard and Ethernet-signaling technology that enables existing twisted-pair copper cabling to exceed the cable's specified limit of 1 gigabit per second (Gbps) for distances of up to 100 meters. Continue Reading
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Opinion
29 May 2024
Lessons from deploying private 5G
Enterprises that have deployed private 5G cite both technical and business benefits, but they might not be what organizations expect. See how expectations compare with reality. Continue Reading
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Feature
29 May 2024
How to determine a network's AI readiness
Experts discussed how organizations should be preparing for AI deployments within their networks. Determining AI readiness is leadership's first step toward AI integration. Continue Reading
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Tip
28 May 2024
The benefits of network wargaming for enterprises
Wargaming isn't just for cybersecurity. Network wargaming gives network teams the skills they need to address non-cybersecurity events and emergencies. Continue Reading
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Feature
22 May 2024
Latest AI network trends signal future of network automation
AI will revolutionize all aspects of network operations, from management to security. Experts discussed AI's potential and the challenges of readiness at ONUG Spring 2024. Continue Reading
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Feature
22 May 2024
The benefits of AI in network operations
Sessions at ONUG Spring 2024 highlighted how AI will transform networking. Experts discussed how AI can help optimize, automate and secure networks, despite some skepticism. Continue Reading
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Tip
20 May 2024
How to test changes in a network lab environment
Test labs are ideal for network engineers to observe potential outcomes of network changes. Successful tests require a solid lab environment and thorough testing process. Continue Reading
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Answer
13 May 2024
SD-WAN vs. load balancing: How are they different?
Load balancing is beneficial for network traffic distribution. SD-WAN can use load balancing for WAN connections, but it doesn't require load balancing to reap other benefits. Continue Reading
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Tip
13 May 2024
How to use IPv6 in enterprise networks
The transition to IPv6 is a learning curve. Here's what to understand about IPv6, including benefits, troubleshooting techniques and best practices for secure integration. Continue Reading
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Definition
10 May 2024
SD-WAN security
SD-WAN security refers to the practices, protocols and technologies protecting data and resources transmitted across software-defined wide area network infrastructure. Continue Reading
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Feature
09 May 2024
Build a resilient network: What I learned from 5 thought leaders
At the 2024 'Strategies for a Resilient Network' summit, five thought leaders shared best practices to help you achieve optimal network resiliency. Learn more. Continue Reading
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Tip
06 May 2024
The future of network licensing is Opex
Network licensing is shifting from Capex models to Opex, largely due to SDN and cloud networking evolution. Here are best practices network teams can use to plan for the future. Continue Reading