Just after some advice with implementing a captive portal (With billing support if possible) for a client of mine in the UK. We're setting up their network with 3 VLANs, There's only one internet ...

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 ...

Network vendors have fallen prey to vulnerabilities in Ethernet VLAN protocol implementations. While only Cisco and Juniper Networks are confirmed to have vulnerable products at this stage, a notice ...

Rick Cook learned programming on a computer with magnetic drum memory. Since then he's written thousands of articles on all aspects of computers and high technology — as well as several fantasy novels ...

I figured others might like to know what I turned up as well. Of course, I had missed a critical detail that would have saved me some time: the multicast DNS implementation that forms a part of ...

A quick comparison of EoMPLS, VPLS and A-VPLS really reflects the learning curve the network industry has experienced as the technologies are deployed. All three are PW services and use a MPLS ...

You may or may not have heard of VLAN (Virtual Local Area Network). It is something that is primarily used in large businesses around the world. If you are interested in opening a business that ...

In our initial PacketFence article in the April 2007 issue of LJ, we introduced the great network access control (NAC) solution that rivals the best ones on the market. On that occasion, we covered ...