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've got a problem, I've been trying to implement some layer2 security on our switches with Port-Security, only allowing 2 MAC addresses on any 1 switchport. I've been looking at some of our switches ...

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 ...

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 ...

Clear differences exist between junior and senior network engineers, but all engineers, regardless of what level they are, may want to think about edge computing and virtual LAN techniques. In this ...

Network Plug-and-Play allows switches, routers, and wireless access points to be on-boarded to the network. An agent in the device, connects to Cisco DNA center and downloads the required software and ...

A virtual LAN (VLAN) is a logical overlay network that groups together a subset of devices that share a physical LAN, isolating the traffic for each group. A LAN is a group of computers or other ...