Articles by tag "Layer 2 Switching"

1. Spanning Tree Protocols Explained: Understanding STP vs. RSTP
   Selene Gong

   47
   When it comes to managing Ethernet networks, ensuring stability while preventing network loops can be a challenge. Luckily, protocols like Spanning Tree Protocol (STP) and Rapid Spanning Tree Protocol (RSTP) are designed to help network administrators mitigate these risks. Understanding the ...
2. How Many VLANs Are Supported on Cisco Catalyst 9300?
   Selene Gong

   46
   VLANs (Virtual Local Area Networks) are essential for logically segmenting Layer 2 networks in enterprise environments. With Cisco’s Catalyst 9300 series, a widely used access layer switch, it's important to understand how many VLANs it supports — both in theory and in practice. This guide ...
3. The Two Actions Performed by a Cisco Switch: Learning & Forwarding Explained
   Selene Gong

   40
   Whether you are designing a complex enterprise LAN, troubleshooting VLAN issues, or preparing for Cisco certification (like the CCNA), understanding how Cisco switches operate is essential. Beyond configuration and features, what are two actions performed by a Cisco switch is a common question ...