Articles by tag "Network Infrastructure"

1. How many Types of Routers are there in Networking?
   leo peng

   89
   A router is a networking device that forwards data packets between computer networks. Router is connected to the network in the LAN or WAN equipment. It will automatically select and set the route according to the channel to the best path, in order to send the signal. In other word, Router is ...
2. The role of switches & types of network switches
   leo peng

   37
   Business networks today need to use switches to connect computers, printers and servers within a building or campus. A network switch is a small hardware device that centralizes communications among multiple connected devices in one local area network (LAN). In short, a network switch usually ...
3. What Is a Wide Area Network (WAN)? How WANs Are Connected?
   leo peng

   31
   A wide area network (WAN) is a computer network that spans a relatively large geographical area and consists of two or more interconnected local area networks (LANs). A LAN is a network that connects computers and other devices in a relatively small area, typically a single building or a group ...
4. Cat 8 Ethernet Cable Speed: Real Performance, Use Cases, and Practical Upgrade Guidance
   Selene Gong

   51
   In enterprise networking and high-performance computing, Ethernet cabling is often overlooked until a bottleneck arises. Cat 8 cables promise the fastest copper speeds—up to 40 Gbps—but whether they are necessary for your network depends on your environment, distance requirements, and ...
5. Cisco Router Selection Guide: How to Choose the Right Router for Your Business Network
   Selene Gong

   18
   Choosing a Cisco router is not about finding the “best model.” It is about selecting the right router class for your traffic profile, enabled services, lifecycle constraints, and deployment role. Cisco’s router portfolio spans branch, WAN edge, and aggregation platforms. This guide ...
6. How to Safely Deploy Grey-Market Cisco NCS and Enterprise Routers Without Creating Compliance Risk
   Selene Gong

   18
   Your enterprise backbone is expanding. You urgently need a core router like the Cisco NCS-5501-SE or another high-performance platform. The official lead time is 8–16 weeks. A third-party distributor offers the same unit at 30–60% lower cost—available immediately. On paper, it’s an ...
7. Avoiding FortiManager Wireless Configuration Pitfalls: SSID Mapping, ADOM Sync, and FortiAP Management Guide
   Selene Gong

   18
   In modern enterprise networks, Wi-Fi is no longer a convenience layer — it is the primary access infrastructure. From office endpoints and warehouse scanners to medical devices and POS systems, wireless availability directly affects business continuity. Yet many IT teams managing Fortinet ...
8. Troubleshooting DHCP and DNS Failures After FortiGate Firmware Upgrade (FortiOS 7.4.x Enterprise Guide)
   Selene Gong

   18
   In modern enterprise networks, firewall platforms have evolved far beyond simple perimeter security devices. Today, solutions such as FortiGate function as centralized traffic control platforms, handling routing, security policy enforcement, DNS services, and DHCP allocation simultaneously. This ...
9. Designing a 10G Internet Edge with Cisco Catalyst 8300: When to Use WAN Modules vs Switching Modules
   Selene Gong

   18
   Enterprise Internet edge architecture is changing rapidly. A few years ago, 1G or dual-1G circuits were sufficient for most branch offices and even regional headquarters. Today, the growth of SaaS platforms, cloud connectivity, video collaboration, and AI-driven workloads has dramatically ...
10. Cisco vs Huawei Core Switch: Which Offers Better ROI for Data Centers?
    Selene Gong

    18
    Selecting a data center core switch is no longer just a hardware decision—it is a long-term investment that directly impacts performance, operational efficiency, scalability, and total cost of ownership (TCO). With the rapid evolution of data centers driven by hybrid cloud, AI workloads, and ...