Routers

1. How to Upgrade Cisco IOS XE
   leo peng

   56
   Cisco IOS XE is a modular operating system designed for Cisco routers and switches, providing advanced networking features, programmability, and improved security. Keeping your IOS XE up to date helps maintain network stability and security by addressing vulnerabilities and adding new features. ...
2. Port 80 vs 443: What’s the Difference and Why It Matters
   Selene Gong

   53
   In the world of networking and web communication, understanding the difference between various ports is crucial for both functionality and security. Two of the most fundamental ports you'll encounter are Port 80 and Port 443, which are intrinsically linked to how you access websites every day. ...
3. MikroTik vs. Cisco Switches and Routers: A Technical Comparison for Network Professionals
   Selene Gong

   43
   Choosing the right networking equipment is a critical decision for network engineers and IT managers planning infrastructure upgrades. While both MikroTik and Cisco offer a wide range of routers and switches, they target different market needs and design philosophies. This guide provides a ...
4. Troubleshooting Cisco C9300-NM-8X: Why Your Module's LEDs Aren't Lighting Up During POST
   Selene Gong

   54
   When deploying or troubleshooting Cisco Catalyst 9300 switches, many IT administrators wonder: "Should the Cisco C9300-NM-8X module’s LEDs light up during POST?" Yes, during POST (Power-On Self-Test), the C9300-NM-8X’s LEDs should illuminate briefly if the module is recognized and ...
5. Can I Use Ansible with Cisco CML 2 for Network Automation?
   Selene Gong

   50
   Yes, you can effectively use Ansible with Cisco CML 2 for comprehensive Cisco Modeling Labs automation. This integration allows network engineers and IT administrators to automate the deployment, configuration, and management of virtual network topologies, improving consistency, speed, and ...
6. Ethernet Switch vs Router: Key Differences, Use Cases & How to Choose for Your Network
   Selene Gong

   80
   Understanding the difference between an Ethernet switch and a router is critical for designing a stable and scalable network, whether at home or in an enterprise environment. While both devices manage data flow in a network, they serve fundamentally different purposes at different OSI layers. ...
7. What Is the Cisco Default ARP Timer and Should You Change It?
   Selene Gong

   48
   The Address Resolution Protocol (ARP) is critical for resolving IP addresses to MAC addresses within Layer 2 and Layer 3 networks. In Cisco devices, ARP entries are stored in a cache with a predefined aging timer. The Cisco default ARP timer is typically set to 14400 seconds (4 hours). ...
8. Best Place to Buy Cisco Switches Online 2025: The Ultimate Guide for IT Buyers
   Selene Gong

   71
   When purchasing Cisco switches online, IT professionals and procurement teams face a critical challenge: Where can I find genuine Cisco hardware at competitive prices with reliable delivery and strong after-sales support? With myriad options available—from Cisco’s official site to ...
9. Cisco IOS XE vs IOS XR: Key Differences, Architecture, and Use Cases
   Selene Gong

   37
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10. How to Get the Best Deals on Cisco Catalyst Switches in 2025
    Selene Gong

    52
    In today’s competitive business landscape, optimizing IT budgets without compromising network performance is essential. For businesses seeking reliable, scalable, secure, and cost-effective network solutions, Cisco Catalyst switches are an ideal choice. This article provides IT professionals, ...