Ars Technica

Cisco trunk port won't pass VLAN traffic

I set a port on a switch to trunking, but it won't pass data. Here's the scenario. See if you can help me out.<BR><BR>We have two switches and two VLANs. Actually, we have over a hundred switches and ...
Ars Technica

How can I verify VLAN tagging?

I can easily enough get into the switch and setup a VLAN with several ports, and I think I'm doing everything correctly in pfSense to get that VLAN up and running, but nothing is working. Is there a ...
Linux Journal

VLANs on Linux

To begin, we must have a more formal definition of what a LAN is. LAN stands for local area network. Hubs and switches usually are thought of as participating in a single LAN. Normally, if you connect ...
Network World

STP Lab Part II – Recalling All the Ways to Tweak the STP Topology

CCNA requites that you understand various ways to tweak the Spanning Tree Protocol (STP) topology. CCNP SWITCH requires that you master those features, plus other more advanced STP tools. And the new ...