Virtual LAN (VLAN) technology, which is defined under the IEEE 802.1q specifications, has allowed enterprise to extend the reach of their corporate networks across the WAN. VLANs enable a LAN to be ...

To begin, we must have a more formal definition of what a LAN is. LAN stands for local area network. Hubs and switches usually are thought of as participating in a single LAN. Normally, if you connect ...

VLANs break a physical LAN into several logical broadcast domains. Each LAN station hears traffic sent by its own VLAN but receives nothing from stations in other VLANs -- not even from those ...

Have you been told that VLANs are the ultimate solution to your network woes? That they’ll magically secure your infrastructure, eliminate complexity, and solve all your traffic management headaches?

Rate your favorite Cisco Press books. Chapter 3, “Switch Operation,” presents a functional overview of how multilayer switching (MLS) is performed at Layers 3 and 4. The actual MLS process can take ...

Sample Design and Configuration for Layer 2 Out-of-Band Deployment Sample Design and Configuration for Layer 3 Out-of-Band Deployment This chapter covers the configuration of the Out-of-Band (OOB) ...

I'm configuring a Juniper switch with multiple VLANs and putting an IRB interface in each VLAN. A member server (on a downstream switch) in one VLAN can ping all the IRB interfaces and within its own ...