Articles by tag "StackPower"

1. How to Configure StackWise on Cisco Catalyst 9300 – Step-by-Step Guide
   Selene Gong

   34
   For enterprise networks relying on high-density access layers, Cisco StackWise technology is fundamental for simplifying management and enhancing system resilience. StackWise allows multiple physical switches to function as a single logical switch, centralizing the control plane and management ...
2. Cisco 9300 PoE Issues: Troubleshooting, Root Causes, and When to Reassess
   Selene Gong

   34
   Intermittent PoE problems on the Cisco Catalyst 9300 are rarely caused by a single misconfiguration. In most production environments, these issues sit at the intersection of power subsystem behavior, IOS XE PoE control logic, and sustained high-draw endpoints such as Wi-Fi 6/6E access points and ...
3. 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 ...
4. Cisco Catalyst 9300 PoE Budget: How to Calculate and Upgrade Power Supply
   Selene Gong

   18
   You are executing a rolling upgrade of 48 high-density Wi-Fi 6E/7 Access Points (APs) and smart building IoT sensors on a Friday night. Suddenly, as the third stack member reboots, half of the newly connected APs fail to power up, throwing %ILPOWER-3-CONTROLLER_PORT_ERR and ...