Four vulnerabilities in the widely adopted 'Stacked VLAN' Ethernet feature allows attackers to perform denial-of-service (DoS) or man-in-the-middle (MitM) attacks against network targets using ...

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 ...

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?

Lately, I’ve heard many mentions, pro and con, of using virtual LANs to solve QoS challenges in wireless LANs. If like me, you’ve been confused by some of this talk, read on. First, several vendors ...

I’ve seen private virtual LANs (PVLANs) described as a way to isolate DMZ servers from each other by restricting traffic between switch ports. Cisco’s PVLANs allow ports to be promiscuous, isolated or ...

Today’s businesses demand that IT delivers both speed and innovation. This has stressed security and pushed legacy security models to their breaking point. Are we doomed? No - we are absolutely not.

Relative newcomer to serious home networking here, looking for a little input about what I actually need to achieve my goals. I've seen guides including other VLANs -- VPN vs clearnet, management, etc ...