Category Archives: Networking

How To Configure InterVLAN Routing on Layer 3 Switches

Document ID: 41860

Introduction

VLANs divide broadcast domains in a LAN environment. Whenever hosts in one VLAN need to communicate with hosts in another VLAN, the traffic must be routed between them. This is known as inter-VLAN routing. On Catalyst switches it is accomplished by creating Layer 3 interfaces (Switch virtual interfaces (SVI) ). This document provides the configuration and troubleshooting steps applicable to this capability. Read more »

Upside-Down-Ternet

My neighbors are stealing my wireless internet access. I could encrypt it or alternately I could have fun. Read more »