A VLAN is a virtual LAN. having two VLANs is like having two LANs but without as much duplicated wiring. It's quite well-supported and reliable. You usually wa

A VLAN is a virtual LAN. having two VLANs is like having two LANs but without as much duplicated wiring. It's quite well-supported and reliable. You usually want to interconnect them at one central point, usually a router, and enforce a security policy there.