I'm not immediately aware of any sort of limitation in the 4000 switch since all you should need to do to set up the inter-VLAN routing with the 5500 switch is establish a VLAN trunk (ISL or 802.1Q) ...

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 ...

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 ...

Use these tips as a guide to keeping a lock on data when using virtual LANs. Securing a virtual LAN network begins with physical security. These best practices can help administrators and IT managers ...

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 ...

Once your home network grows a little more complex, you soon realize that grouping devices into virtual local area networks (VLANs) makes a lot of sense, both from a security and administrative ...

What they do, why they're useful, and how to get started A virtual local area network is a logical subnetwork that groups a collection of devices from different physical LANs. Large business computer ...

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?