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 ...

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 ...

Joel is an internationally recognized expert in the areas of security, networking and messaging. Follow him on X (formerly Twitter) @joelsnyder. Building enterprise networks with routers and switches ...

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The real question is do you want this device to be pushing/popping STags or just passing them along. Most ASICs shouldn't have an issue with the latter but if you need it to manipulate tags it's ...