Can anybody give me a step by step guide for setting up multiple VLANs on a Cisco 1841 modular router? I can't find anything to help me through my problem, which, incidentally, is that I can create ...

I'm using Cisco 3550 & 3560 switches for WAN routing with enhanced IP images. They are connected to Microwave radios of various speeds (45Mb, 100Mb, 622Mb) depending on the link. I setup VLAN's to ...

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 ...

Virtual local area networks (VLANs) allow us to create different logical and physical networks; whereas IP subnetting simply allows us to create logical networks through the same physical network. You ...

The VXLAN technology introduced by Cisco and VMware this week is intended to scale VLANs to accommodate the exploding number of virtual machines in the virtualized data center. In addition to Cisco ...

Have you been told that VLANs are the ultimate solution to your network woes? That they’ll magically secure your infrastructure, eliminate complexity, and solve all your traffic management headaches?