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 ...

Add Yahoo as a preferred source to see more of our stories on Google. When set up correctly, virtual LANs improve the performance of busy networks. VLANs can group client devices that communicate ...

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 ...

Network Job Solutions – The wireless access points operate as bridges with no routing defined anywhere on the wireless network segment. All VLANs are defined on the wired switches and mapped with ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...