It's easy to see why virtual LANs have become popular on networks of all sizes. Imagine having multiple separate physical networks within a single organization — without the headache of managing ...

This week I’d like to get into a few details of how VLAN Trunking Protocol works. VTP is covered on the CCNA exams, and on the CCNP switching exam, and on the CCIE R/S written exam, to varying degrees ...

I'm a bit stumped on this one, and having a background in HP switches is making it worse. I have a metro-e connection that will have up to 100 VLANs coming in on it. This is connected to a GigE port ...

It’s easy to see why virtual LANs have become popular on networks of all sizes. Imagine having multiple separate physical networks within a single organization — without the headache of managing ...

Virtual LANs (VLANs) allow the segmentation of a physical network into multiple logical networks. VLAN trunking is the process of transporting multiple VLANs over a single network link—typically ...

I recently acquired a rack mountable switch (non-Cisco, only for the price advantage). The main reason was to consolidate the wiring in a 42U rack full of servers. The wires coming out of the rack was ...

In Cisco LAN switch environments, the native VLAN is typically untagged on 802.1Q trunk ports. This can lead to a security vulnerability in your network environment. It is a best practice to ...