Switches

1. How to Reset the Configuration on an HPE J9729A (Aruba 2920-48G-POE+) Switch
   Selene Gong

   43
   Resetting your HPE J9729A (Aruba 2920-48G-POE+) switch can help resolve configuration issues, prepare the device for redeployment, or clear forgotten passwords. This guide will walk you through step-by-step methods to clear configurations safely using both CLI commands and the physical reset ...
2. UPoE vs PoE+: What’s the Difference?
   Selene Gong

   63
   Power over Ethernet (PoE) technology allows data and power delivery over a single Ethernet cable, simplifying network deployments. As device power requirements increase, enhanced PoE solutions are essential. UPoE vs PoE+ represents a major evolution: while PoE+ (IEEE 802.3at) provides up to 30W, ...
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. What Is the Speed of Cisco Catalyst 3560 Switch?
   Selene Gong

   34
   Navigating network switch specifications can be challenging, especially when assessing existing infrastructure or planning a targeted upgrade. If you are an SMB IT manager or procurement decision-maker, understanding your current equipment—such as the Cisco Catalyst 3560 series—is critical ...
5. What Size Rack for Cisco C9300-48P-A?
   Selene Gong

   48
   When planning your network infrastructure, confirming hardware rack requirements ensures seamless deployment and compatibility with your existing environment. The Cisco Catalyst 9300 series is a widely used enterprise access platform, and understanding its rack unit size and physical ...
6. Can You Run 30 Watt PoE on C9300-24U?
   Selene Gong

   41
   Power over Ethernet (PoE) is essential in modern enterprise networks, enabling connectivity and power delivery to devices like IP phones, wireless access points, security cameras, and IoT endpoints. The Cisco Catalyst 9300 series, a leading enterprise access platform, offers robust PoE ...
7. Can a Cisco Catalyst 9300 Be Configured for DHCP?
   Selene Gong

   42
   The Cisco Catalyst 9300 series switches can indeed be configured for Dynamic Host Configuration Protocol (DHCP) services. They can operate as a DHCP Server to assign IP configurations to clients or as a DHCP Relay Agent to forward DHCP messages across network segments. This flexibility helps ...
8. 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 ...
9. 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 ...
10. Why Is the SFP LED Flashing Green on Cisco NM-8X? Understanding Port Activity and Troubleshooting
    Selene Gong

    49
    A flashing green SFP LED on your Cisco NM-8X network module, part of the Catalyst 9300 Series switches, is generally a normal indication of data activity. It means the port is actively sending or receiving data. This is typically a healthy sign of link operation. However, depending on the ...