Originally Posted by WChou

Probably not. As long as you have decent router, it should have multiple ports that allow you to setup separate physical networks and then route between them. Even if you have VLANs, you still need a device capable of routing between them to take advantage some features. This leads to solutions like "router on a stick" for interVLAN routing which adds complexity.

My personal opinion for smaller networks without someone well versed in network management is to avoid VLANs, tagging, access ports, trunk ports, and other features salesman like to push. It doesn't take much to get your head underwater when something goes wrong. Documentation and configuration files needs to be well maintained or things get real messy even a few months after deployment.

Don't you love some salesman? IMHO, 99% have no idea what they are selling and can only quote the glossy spec sheets. At one company I consulted for, the new salesman for a local VAR (value added reseller) came in and trashed talked everything he saw. Finally he said, "Who is the idiot that recommended and sold you all this junk?" My reply, "Your company."