Articles by tag "Cisco Catalyst 9300"

1. How to Fix Cisco 9300 All PoE Ports Go Out for 1 Second?
   Selene Gong

   12
   Are you facing a frustrating issue where all PoE ports on your Cisco 9300 go down for 1 second? Devices like IP phones, wireless access points, or security cameras may suddenly lose power—only to restore themselves moments later. This short but system-wide power outage is not a single-port ...
2. How to Configure VLAN on Cisco 9300 Switch: Complete Step-by-Step Guide
   Selene Gong

   32
   For small and medium-sized enterprises (SMEs), effective network segmentation is crucial for security, performance, and scalability. Cisco Catalyst 9300 Series switches support robust VLAN (Virtual Local Area Network) capabilities to help you logically separate devices while maintaining ...
3. Cisco Catalyst 9300 vs 9200: Choosing the Right Access Switch for Your Business
   Selene Gong

   20
   When planning an upgrade or a new deployment for your small to medium-sized business (SMB) network, choosing between the Cisco Catalyst 9300 vs 9200 series can feel overwhelming. Both belong to the powerful Catalyst 9000 family, offering enterprise-grade security, reliability, and scalability ...
4. What Is Cisco ThousandEyes and How Does It Work on Cisco Switches?
   Selene Gong

   20
   Cisco ThousandEyes is a digital experience monitoring (DEM) platform used to gain end-to-end visibility across the internet, cloud, and SaaS applications. On Cisco Catalyst 9300 and 9400 switches, ThousandEyes runs as a container-based Enterprise Agent on the management processor, ensuring ...
5. How to Read Cisco 9300 Indicator Lights (With Troubleshooting Tips)
   Selene Gong

   23
   Cisco Catalyst 9300 switches use a series of indicator lights (LEDs) to provide real-time visual feedback about the switch’s operational status, port activity, power supply, and stacking health. Correctly interpreting these Cisco 9300 indicator lights helps network engineers and administrators ...
6. What Size Rack for Cisco C9300-48P-A?
   Selene Gong

   13
   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 ...
7. Can You Run 30 Watt PoE on C9300-24U?
   Selene Gong

   13
   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 ...
8. Can a Cisco Catalyst 9300 Be Configured for DHCP?
   Selene Gong

   4
   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 ...
9. Troubleshooting Cisco C9300-NM-8X: Why Your Module's LEDs Aren't Lighting Up During POST
   Selene Gong

   20
   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 ...
10. How to Fix: Cisco 9300 SFP Port Not Working
    Selene Gong

    20
    Unresponsive or non-working SFP (Small Form-Factor Pluggable) ports on Cisco Catalyst 9300 switches are a frequent challenge in enterprise network environments. Symptoms include ports showing a status of "down, notconnect" or no link light activity despite proper physical connections and basic ...