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 ...
BizTech

5 Ways to Make the Most of VLANs

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 ...
Ars Technica

Any CatOS people here.... VLAN question.

Okay, 2 nights ago I made some changes on 2 C4006 switches on the LAN. <BR><BR>Basically installing some firewalls and load balancers so we needed to turn up some ports and trunks. <BR><BR>One switch ...
Network World

How to Stretch VLANs Between Multiple Physical Data Centers – Part 1

Now that we have sorted out how to scale our intra data center L2 networks let’s explore the acronym soup of Data Center Interconnect (DCI). This is quickly becoming one of the most frequent ...