Articles by tag "Cisco Catalyst"

1. Cisco Switch Reset Config: A Comprehensive Guide to Factory Reset and Password Recovery
   Selene Gong

   37
   Whether you’re troubleshooting a network, setting up a new Cisco switch, or facing issues with forgotten passwords, understanding how to reset your Cisco switch is an essential skill. If you're locked out or dealing with problematic configurations, knowing how to perform a Cisco switch reset ...
2. Cisco 9200 Password Recovery Guide (IOS XE) – Step-by-Step Without Config Loss
   Selene Gong

   14
   Regain Access Without Configuration Loss (IOS XE) Getting locked out of a Cisco Catalyst 9200 switch is stressful — especially when the device is already in production or when you’ve inherited equipment with no credentials. The good news is that Cisco 9200 password recovery is fully ...
3. How to Fix: Cisco Catalyst Fabric Site Not Showing Edge Node
   Selene Gong

   38
   In a Cisco Software-Defined Access (SD-Access) environment, the Cisco Catalyst Center (formerly DNA Center) serves as the "single source of truth" for your network topology. A common issue faced by network administrators is when a Cisco Catalyst Fabric Site fails to display an Edge Node in the ...
4. Layer 2 Switch vs Layer 3 Switch: Complete Guide for Network Design & Deployment
   Selene Gong

   38
   In modern enterprise and data center environments, a network switch is far more than a simple connection device—it is a critical node for performance, scalability, and security. Choosing the wrong switch type can lead to bottlenecks, failed inter-subnet communication, or unnecessary ...
5. Troubleshooting Cisco Switch PoE Not Working: Step-by-Step Guide to Check PoE Status and Restore Power
   Selene Gong

   35
   Power over Ethernet (PoE) is critical for enterprise networks, delivering both power and data to devices like IP phones, Wi-Fi access points, and security cameras. When a Cisco switch stops providing power, administrators can face downtime, security risks, and operational disruptions. Issues ...
6. Cisco Catalyst Switch Lifecycle Explained: EOL, EOS, and Support Stages
   Selene Gong

   32
   For IT managers and procurement teams, a Cisco End-of-Life (EOL) announcement often triggers unnecessary panic: Is the switch still safe? Do we need to replace everything immediately? Can we still expand the network? In reality, Cisco lifecycle milestones are not emergency stop signs. They are ...
7. Finding the Best Cheap or Inexpensive Managed Switch for Your Network
   Selene Gong

   37
   For small businesses, home labs, and budget-conscious IT teams, selecting a cheap or inexpensive managed switch no longer means sacrificing core network functionality. Modern low-cost managed switches can offer enterprise-grade features such as VLANs, PoE, Link Aggregation (LAGG), and even ...
8. Should You Still Buy Cisco Catalyst 2960X, 9200, or 9300?
   Selene Gong

   42
   Deciding which Cisco Catalyst access switch to deploy can be challenging, especially as older models reach End-of-Life (EOL) while newer options offer expanded features. This guide compares the 2960X, 9200, and 9300 series, helping network engineers, IT administrators, and enterprise buyers make ...
9. How to Choose Cisco Switches for Enterprise Campus Networks
   Selene Gong

   45
   When you are modernizing a campus network, you aren't just looking at technical specs; you are managing a 5-to-8-year lifecycle. You likely have a model list from a vendor, but the real challenge is separating sales buzzwords from the architectural choices that will determine your operational ...
10. Cisco Catalyst C9300 vs C9300L: Key Differences, Stacking, and Power Comparison
    Selene Gong

    36
    When upgrading an enterprise campus network, the Cisco Catalyst 9300 Series is often the top choice for access and distribution layers. However, network engineers frequently face a choice between the standard modular C9300 and the cost-optimized C9300L. While they appear similar, the differences ...