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 ...

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 ...

A quick comparison of EoMPLS, VPLS and A-VPLS really reflects the learning curve the network industry has experienced as the technologies are deployed. All three are PW services and use a MPLS ...

Using a VLAN -- or Virtual Local Area Network -- to segregate the traffic on your router provides added security and performance for devices connected to your LAN. While a LAN is determined by the ...

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 ...

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 ...

Setting up virtual local area networks or VLANs in your home network or home lab makes management of your network easier. You can use one as a guest network to share your internet connection with ...

It's no surprise that Linux makes a great router and firewall. A lesser-known fact is that you also can use Linux as an Ethernet bridge and VLAN switch, and that these features are similarly powerful, ...