Articles by tag "Network Segmentation"

1. 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 ...
2. Network Segmentation with Cisco Catalyst Switches and ISE: From VLANs to Zero Trust
   Selene Gong

   36
   In today’s threat landscape, a flat network is a vulnerable network. For enterprise networks handling sensitive data, IoT devices, and BYOD endpoints, static VLANs and manual ACLs are no longer sufficient. Cisco Catalyst switches combined with Cisco Identity Services Engine (ISE) provide the ...
3. VLAN vs Subnet: Difference Between VLAN and Subnet, How Many VLANs to Use, and What Well-Chosen Subnets Accomplish
   Selene Gong

   39
   Enterprise networks are growing rapidly, and administrators often struggle with questions like subnet vs VLAN, the difference between VLAN and subnet, and how to properly design their network to handle different departments, applications, or projects. Without careful planning, networks can ...